./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.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_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/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_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/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_6e463538-05a6-404e-af76-444cc70cc603/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 69eea854146ed6719c2a02b1e3c48ec2ec3340ce1e8957b9754599908f0bff1b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:15:19,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:15:19,437 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 05:15:19,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:15:19,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:15:19,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:15:19,467 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:15:19,467 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:15:19,467 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:15:19,468 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:15:19,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:15:19,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:15:19,468 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:15:19,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:15:19,468 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:15:19,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:15:19,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:15:19,469 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:15:19,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:15:19,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:15:19,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:15:19,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:15:19,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:15:19,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:15:19,470 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:15:19,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:15:19,470 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:15:19,470 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:15:19,470 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:15:19,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:15:19,470 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:15:19,470 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:15:19,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:15:19,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:15:19,471 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:15:19,471 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:15:19,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:15:19,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:15:19,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:15:19,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:15:19,471 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:15:19,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:15:19,471 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:15:19,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:15:19,471 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:15:19,471 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:15:19,472 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:15:19,472 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:15:19,472 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_6e463538-05a6-404e-af76-444cc70cc603/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 -> 69eea854146ed6719c2a02b1e3c48ec2ec3340ce1e8957b9754599908f0bff1b [2024-11-28 05:15:19,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:15:19,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:15:19,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:15:19,809 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:15:19,809 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:15:19,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i [2024-11-28 05:15:22,945 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/data/aec26a90d/e26efbecefcc4e2b904b1a7370f94733/FLAG9bc4e9d7a [2024-11-28 05:15:23,223 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:15:23,223 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i [2024-11-28 05:15:23,236 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/data/aec26a90d/e26efbecefcc4e2b904b1a7370f94733/FLAG9bc4e9d7a [2024-11-28 05:15:23,260 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/data/aec26a90d/e26efbecefcc4e2b904b1a7370f94733 [2024-11-28 05:15:23,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:15:23,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:15:23,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:15:23,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:15:23,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:15:23,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:15:23" (1/1) ... [2024-11-28 05:15:23,277 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30fdd1a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:23, skipping insertion in model container [2024-11-28 05:15:23,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:15:23" (1/1) ... [2024-11-28 05:15:23,312 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:15:23,460 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_6e463538-05a6-404e-af76-444cc70cc603/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i[919,932] [2024-11-28 05:15:23,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:15:23,565 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:15:23,576 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_6e463538-05a6-404e-af76-444cc70cc603/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i[919,932] [2024-11-28 05:15:23,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:15:23,642 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:15:23,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:23 WrapperNode [2024-11-28 05:15:23,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:15:23,647 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:15:23,647 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:15:23,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:15:23,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:23" (1/1) ... [2024-11-28 05:15:23,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:23" (1/1) ... [2024-11-28 05:15:23,746 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 297 [2024-11-28 05:15:23,746 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:15:23,747 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:15:23,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:15:23,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:15:23,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:23" (1/1) ... [2024-11-28 05:15:23,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:23" (1/1) ... [2024-11-28 05:15:23,771 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:23" (1/1) ... [2024-11-28 05:15:23,811 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 05:15:23,811 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:23" (1/1) ... [2024-11-28 05:15:23,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:23" (1/1) ... [2024-11-28 05:15:23,833 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:23" (1/1) ... [2024-11-28 05:15:23,838 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:23" (1/1) ... [2024-11-28 05:15:23,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:23" (1/1) ... [2024-11-28 05:15:23,849 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:23" (1/1) ... [2024-11-28 05:15:23,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:23" (1/1) ... [2024-11-28 05:15:23,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:15:23,864 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:15:23,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:15:23,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:15:23,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:23" (1/1) ... [2024-11-28 05:15:23,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:15:23,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:15:23,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:15:23,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:15:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:15:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 05:15:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 05:15:23,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:15:23,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:15:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:15:24,069 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:15:24,072 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:15:24,966 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-28 05:15:24,967 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:15:24,984 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:15:24,986 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 05:15:24,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:15:24 BoogieIcfgContainer [2024-11-28 05:15:24,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:15:24,991 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:15:24,993 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:15:24,999 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:15:24,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:15:23" (1/3) ... [2024-11-28 05:15:25,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7090ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:15:25, skipping insertion in model container [2024-11-28 05:15:25,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:15:23" (2/3) ... [2024-11-28 05:15:25,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7090ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:15:25, skipping insertion in model container [2024-11-28 05:15:25,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:15:24" (3/3) ... [2024-11-28 05:15:25,004 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i [2024-11-28 05:15:25,022 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:15:25,025 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i that has 2 procedures, 126 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 05:15:25,107 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:15:25,124 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;@3a841f9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:15:25,125 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:15:25,130 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 89 states have (on average 1.449438202247191) internal successors, (129), 90 states have internal predecessors, (129), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 05:15:25,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-28 05:15:25,154 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:15:25,155 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:25,156 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:15:25,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:15:25,164 INFO L85 PathProgramCache]: Analyzing trace with hash 725536545, now seen corresponding path program 1 times [2024-11-28 05:15:25,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:15:25,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120466048] [2024-11-28 05:15:25,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:15:25,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:15:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:15:25,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked. [2024-11-28 05:15:25,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:15:25,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120466048] [2024-11-28 05:15:25,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120466048] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:15:25,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520837599] [2024-11-28 05:15:25,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:15:25,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:15:25,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:15:25,660 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:15:25,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:15:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:15:26,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 05:15:26,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:15:26,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked. [2024-11-28 05:15:26,121 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:15:26,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520837599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:15:26,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:15:26,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 05:15:26,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133509196] [2024-11-28 05:15:26,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:15:26,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:15:26,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:15:26,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:15:26,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:15:26,162 INFO L87 Difference]: Start difference. First operand has 126 states, 89 states have (on average 1.449438202247191) internal successors, (129), 90 states have internal predecessors, (129), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:15:26,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:15:26,227 INFO L93 Difference]: Finished difference Result 245 states and 422 transitions. [2024-11-28 05:15:26,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:15:26,229 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 218 [2024-11-28 05:15:26,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:15:26,241 INFO L225 Difference]: With dead ends: 245 [2024-11-28 05:15:26,241 INFO L226 Difference]: Without dead ends: 122 [2024-11-28 05:15:26,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 219 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 05:15:26,253 INFO L435 NwaCegarLoop]: 190 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, 190 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 05:15:26,257 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:15:26,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-28 05:15:26,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-28 05:15:26,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 86 states have internal predecessors, (122), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 05:15:26,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 190 transitions. [2024-11-28 05:15:26,331 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 190 transitions. Word has length 218 [2024-11-28 05:15:26,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:15:26,333 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 190 transitions. [2024-11-28 05:15:26,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:15:26,334 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 190 transitions. [2024-11-28 05:15:26,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-28 05:15:26,338 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:15:26,338 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:26,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 05:15:26,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:15:26,539 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:15:26,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:15:26,540 INFO L85 PathProgramCache]: Analyzing trace with hash -2100899495, now seen corresponding path program 1 times [2024-11-28 05:15:26,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:15:26,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000966464] [2024-11-28 05:15:26,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:15:26,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:15:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:15:27,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:15:27,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:15:27,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000966464] [2024-11-28 05:15:27,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000966464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:15:27,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:15:27,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:15:27,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655509066] [2024-11-28 05:15:27,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:15:27,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:15:27,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:15:27,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:15:27,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:15:27,667 INFO L87 Difference]: Start difference. First operand 122 states and 190 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:15:28,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:15:28,036 INFO L93 Difference]: Finished difference Result 361 states and 565 transitions. [2024-11-28 05:15:28,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:15:28,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 218 [2024-11-28 05:15:28,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:15:28,041 INFO L225 Difference]: With dead ends: 361 [2024-11-28 05:15:28,042 INFO L226 Difference]: Without dead ends: 242 [2024-11-28 05:15:28,042 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 05:15:28,043 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 128 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:15:28,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 541 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 05:15:28,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-28 05:15:28,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 183. [2024-11-28 05:15:28,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 112 states have (on average 1.3214285714285714) internal successors, (148), 112 states have internal predecessors, (148), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-28 05:15:28,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 284 transitions. [2024-11-28 05:15:28,101 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 284 transitions. Word has length 218 [2024-11-28 05:15:28,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:15:28,104 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 284 transitions. [2024-11-28 05:15:28,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:15:28,104 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 284 transitions. [2024-11-28 05:15:28,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-28 05:15:28,112 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:15:28,112 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:28,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:15:28,113 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:15:28,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:15:28,113 INFO L85 PathProgramCache]: Analyzing trace with hash -728892643, now seen corresponding path program 1 times [2024-11-28 05:15:28,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:15:28,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557112316] [2024-11-28 05:15:28,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:15:28,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:15:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:15:50,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:15:50,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:15:50,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557112316] [2024-11-28 05:15:50,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557112316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:15:50,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:15:50,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-28 05:15:50,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563552521] [2024-11-28 05:15:50,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:15:50,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:15:50,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:15:50,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:15:50,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:15:50,582 INFO L87 Difference]: Start difference. First operand 183 states and 284 transitions. Second operand has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:15:53,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:15:53,820 INFO L93 Difference]: Finished difference Result 539 states and 820 transitions. [2024-11-28 05:15:53,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 05:15:53,822 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 219 [2024-11-28 05:15:53,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:15:53,830 INFO L225 Difference]: With dead ends: 539 [2024-11-28 05:15:53,830 INFO L226 Difference]: Without dead ends: 420 [2024-11-28 05:15:53,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2024-11-28 05:15:53,832 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 728 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 1265 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 728 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 1265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:15:53,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [728 Valid, 949 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 1265 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-28 05:15:53,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-28 05:15:53,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 219. [2024-11-28 05:15:53,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 147 states have (on average 1.3537414965986394) internal successors, (199), 147 states have internal predecessors, (199), 68 states have call successors, (68), 3 states have call predecessors, (68), 3 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-28 05:15:53,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 335 transitions. [2024-11-28 05:15:53,896 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 335 transitions. Word has length 219 [2024-11-28 05:15:53,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:15:53,897 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 335 transitions. [2024-11-28 05:15:53,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:15:53,897 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 335 transitions. [2024-11-28 05:15:53,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-28 05:15:53,901 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:15:53,901 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:15:53,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:15:53,902 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:15:53,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:15:53,902 INFO L85 PathProgramCache]: Analyzing trace with hash -470727205, now seen corresponding path program 1 times [2024-11-28 05:15:53,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:15:53,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587415277] [2024-11-28 05:15:53,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:15:53,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:15:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:03,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:16:03,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:03,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587415277] [2024-11-28 05:16:03,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587415277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:03,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:03,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 05:16:03,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283164497] [2024-11-28 05:16:03,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:03,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 05:16:03,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:03,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 05:16:03,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:16:03,757 INFO L87 Difference]: Start difference. First operand 219 states and 335 transitions. Second operand has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:16:07,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:07,031 INFO L93 Difference]: Finished difference Result 603 states and 916 transitions. [2024-11-28 05:16:07,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 05:16:07,032 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-11-28 05:16:07,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:07,036 INFO L225 Difference]: With dead ends: 603 [2024-11-28 05:16:07,036 INFO L226 Difference]: Without dead ends: 484 [2024-11-28 05:16:07,037 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=175, Invalid=377, Unknown=0, NotChecked=0, Total=552 [2024-11-28 05:16:07,038 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 683 mSDsluCounter, 904 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:07,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 1076 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-28 05:16:07,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-11-28 05:16:07,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 377. [2024-11-28 05:16:07,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 269 states have (on average 1.4014869888475836) internal successors, (377), 269 states have internal predecessors, (377), 102 states have call successors, (102), 5 states have call predecessors, (102), 5 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-28 05:16:07,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 581 transitions. [2024-11-28 05:16:07,081 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 581 transitions. Word has length 219 [2024-11-28 05:16:07,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:07,082 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 581 transitions. [2024-11-28 05:16:07,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:16:07,082 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 581 transitions. [2024-11-28 05:16:07,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-28 05:16:07,085 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:07,085 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:16:07,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:16:07,086 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:07,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:07,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1546541093, now seen corresponding path program 1 times [2024-11-28 05:16:07,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:07,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436743266] [2024-11-28 05:16:07,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:07,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:07,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:16:07,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:07,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436743266] [2024-11-28 05:16:07,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436743266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:07,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:07,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:16:07,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566916669] [2024-11-28 05:16:07,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:07,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:16:07,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:07,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:16:07,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:16:07,218 INFO L87 Difference]: Start difference. First operand 377 states and 581 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:16:07,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:07,365 INFO L93 Difference]: Finished difference Result 708 states and 1076 transitions. [2024-11-28 05:16:07,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:16:07,366 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-11-28 05:16:07,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:07,370 INFO L225 Difference]: With dead ends: 708 [2024-11-28 05:16:07,370 INFO L226 Difference]: Without dead ends: 589 [2024-11-28 05:16:07,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:16:07,372 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 203 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:07,372 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 594 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:16:07,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-11-28 05:16:07,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 476. [2024-11-28 05:16:07,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 356 states have (on average 1.4269662921348314) internal successors, (508), 357 states have internal predecessors, (508), 110 states have call successors, (110), 9 states have call predecessors, (110), 9 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-28 05:16:07,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 728 transitions. [2024-11-28 05:16:07,415 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 728 transitions. Word has length 219 [2024-11-28 05:16:07,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:07,416 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 728 transitions. [2024-11-28 05:16:07,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:16:07,416 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 728 transitions. [2024-11-28 05:16:07,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-28 05:16:07,419 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:07,420 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:16:07,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:16:07,420 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:07,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:07,420 INFO L85 PathProgramCache]: Analyzing trace with hash -866482723, now seen corresponding path program 1 times [2024-11-28 05:16:07,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:07,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315428739] [2024-11-28 05:16:07,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:07,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:16:28,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:16:28,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:16:28,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315428739] [2024-11-28 05:16:28,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315428739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:16:28,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:16:28,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 05:16:28,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532975148] [2024-11-28 05:16:28,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:16:28,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 05:16:28,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:16:28,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 05:16:28,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:16:28,250 INFO L87 Difference]: Start difference. First operand 476 states and 728 transitions. Second operand has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:16:31,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:16:31,056 INFO L93 Difference]: Finished difference Result 941 states and 1421 transitions. [2024-11-28 05:16:31,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 05:16:31,057 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 219 [2024-11-28 05:16:31,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:16:31,063 INFO L225 Difference]: With dead ends: 941 [2024-11-28 05:16:31,063 INFO L226 Difference]: Without dead ends: 563 [2024-11-28 05:16:31,065 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=193, Invalid=563, Unknown=0, NotChecked=0, Total=756 [2024-11-28 05:16:31,066 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 1006 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 1289 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1006 SdHoareTripleChecker+Valid, 924 SdHoareTripleChecker+Invalid, 1451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 1289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:16:31,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1006 Valid, 924 Invalid, 1451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 1289 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 05:16:31,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-28 05:16:31,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 494. [2024-11-28 05:16:31,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 371 states have (on average 1.4070080862533694) internal successors, (522), 372 states have internal predecessors, (522), 110 states have call successors, (110), 12 states have call predecessors, (110), 12 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-28 05:16:31,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 742 transitions. [2024-11-28 05:16:31,149 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 742 transitions. Word has length 219 [2024-11-28 05:16:31,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:16:31,152 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 742 transitions. [2024-11-28 05:16:31,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:16:31,152 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 742 transitions. [2024-11-28 05:16:31,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-28 05:16:31,155 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:16:31,155 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:16:31,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:16:31,160 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:16:31,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:16:31,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1600300763, now seen corresponding path program 1 times [2024-11-28 05:16:31,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:16:31,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749006447] [2024-11-28 05:16:31,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:16:31,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:16:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:17:32,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:17:32,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:17:32,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749006447] [2024-11-28 05:17:32,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749006447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:17:32,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:17:32,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-28 05:17:32,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776747414] [2024-11-28 05:17:32,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:17:32,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 05:17:32,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:17:32,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 05:17:32,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-11-28 05:17:32,122 INFO L87 Difference]: Start difference. First operand 494 states and 742 transitions. Second operand has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:17:36,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:17:36,501 INFO L93 Difference]: Finished difference Result 1097 states and 1631 transitions. [2024-11-28 05:17:36,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 05:17:36,502 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 219 [2024-11-28 05:17:36,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:17:36,509 INFO L225 Difference]: With dead ends: 1097 [2024-11-28 05:17:36,510 INFO L226 Difference]: Without dead ends: 891 [2024-11-28 05:17:36,513 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=183, Invalid=573, Unknown=0, NotChecked=0, Total=756 [2024-11-28 05:17:36,514 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 851 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2007 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 1301 SdHoareTripleChecker+Invalid, 2189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 2007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:17:36,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 1301 Invalid, 2189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 2007 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-28 05:17:36,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2024-11-28 05:17:36,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 653. [2024-11-28 05:17:36,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 489 states have (on average 1.394683026584867) internal successors, (682), 490 states have internal predecessors, (682), 144 states have call successors, (144), 19 states have call predecessors, (144), 19 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-28 05:17:36,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 970 transitions. [2024-11-28 05:17:36,603 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 970 transitions. Word has length 219 [2024-11-28 05:17:36,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:17:36,604 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 970 transitions. [2024-11-28 05:17:36,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:17:36,605 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 970 transitions. [2024-11-28 05:17:36,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-28 05:17:36,610 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:17:36,610 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:17:36,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 05:17:36,611 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:17:36,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:17:36,611 INFO L85 PathProgramCache]: Analyzing trace with hash -254603875, now seen corresponding path program 1 times [2024-11-28 05:17:36,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:17:36,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007016582] [2024-11-28 05:17:36,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:17:36,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:17:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:00,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:18:00,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:00,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007016582] [2024-11-28 05:18:00,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007016582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:00,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:00,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 05:18:00,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640703043] [2024-11-28 05:18:00,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:00,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 05:18:00,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:00,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 05:18:00,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:18:00,319 INFO L87 Difference]: Start difference. First operand 653 states and 970 transitions. Second operand has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-28 05:18:05,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:18:05,371 INFO L93 Difference]: Finished difference Result 1503 states and 2216 transitions. [2024-11-28 05:18:05,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 05:18:05,372 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 219 [2024-11-28 05:18:05,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:18:05,379 INFO L225 Difference]: With dead ends: 1503 [2024-11-28 05:18:05,379 INFO L226 Difference]: Without dead ends: 956 [2024-11-28 05:18:05,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=226, Invalid=476, Unknown=0, NotChecked=0, Total=702 [2024-11-28 05:18:05,382 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 718 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 1474 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 1635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 1474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:18:05,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [718 Valid, 1115 Invalid, 1635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 1474 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-28 05:18:05,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2024-11-28 05:18:05,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 663. [2024-11-28 05:18:05,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 499 states have (on average 1.3927855711422845) internal successors, (695), 500 states have internal predecessors, (695), 144 states have call successors, (144), 19 states have call predecessors, (144), 19 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-28 05:18:05,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 983 transitions. [2024-11-28 05:18:05,475 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 983 transitions. Word has length 219 [2024-11-28 05:18:05,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:18:05,475 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 983 transitions. [2024-11-28 05:18:05,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-28 05:18:05,476 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 983 transitions. [2024-11-28 05:18:05,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-28 05:18:05,480 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:18:05,481 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:18:05,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 05:18:05,481 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:18:05,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:05,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1076545691, now seen corresponding path program 1 times [2024-11-28 05:18:05,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:05,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815856527] [2024-11-28 05:18:05,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:05,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:21,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:18:21,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:21,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815856527] [2024-11-28 05:18:21,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815856527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:21,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:21,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 05:18:21,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632630605] [2024-11-28 05:18:21,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:21,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 05:18:21,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:21,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 05:18:21,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:18:21,912 INFO L87 Difference]: Start difference. First operand 663 states and 983 transitions. Second operand has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:18:25,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:18:25,103 INFO L93 Difference]: Finished difference Result 1206 states and 1789 transitions. [2024-11-28 05:18:25,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:18:25,104 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 219 [2024-11-28 05:18:25,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:18:25,110 INFO L225 Difference]: With dead ends: 1206 [2024-11-28 05:18:25,110 INFO L226 Difference]: Without dead ends: 1000 [2024-11-28 05:18:25,112 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2024-11-28 05:18:25,112 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 602 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 1378 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 1410 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:18:25,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 1410 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1378 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-28 05:18:25,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2024-11-28 05:18:25,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 680. [2024-11-28 05:18:25,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 516 states have (on average 1.4011627906976745) internal successors, (723), 517 states have internal predecessors, (723), 144 states have call successors, (144), 19 states have call predecessors, (144), 19 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-28 05:18:25,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1011 transitions. [2024-11-28 05:18:25,185 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1011 transitions. Word has length 219 [2024-11-28 05:18:25,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:18:25,186 INFO L471 AbstractCegarLoop]: Abstraction has 680 states and 1011 transitions. [2024-11-28 05:18:25,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:18:25,186 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1011 transitions. [2024-11-28 05:18:25,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-28 05:18:25,188 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:18:25,188 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:18:25,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 05:18:25,189 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:18:25,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:25,189 INFO L85 PathProgramCache]: Analyzing trace with hash -889228199, now seen corresponding path program 1 times [2024-11-28 05:18:25,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:25,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263560300] [2024-11-28 05:18:25,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:25,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:28,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:19:28,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:28,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263560300] [2024-11-28 05:19:28,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263560300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:28,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:28,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 05:19:28,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72431045] [2024-11-28 05:19:28,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:28,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:19:28,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:28,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:19:28,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:19:28,279 INFO L87 Difference]: Start difference. First operand 680 states and 1011 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:19:32,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:32,588 INFO L93 Difference]: Finished difference Result 1356 states and 2019 transitions. [2024-11-28 05:19:32,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 05:19:32,589 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-11-28 05:19:32,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:32,595 INFO L225 Difference]: With dead ends: 1356 [2024-11-28 05:19:32,595 INFO L226 Difference]: Without dead ends: 1150 [2024-11-28 05:19:32,597 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=133, Invalid=329, Unknown=0, NotChecked=0, Total=462 [2024-11-28 05:19:32,597 INFO L435 NwaCegarLoop]: 260 mSDtfsCounter, 557 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 1431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:32,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 1326 Invalid, 1431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-28 05:19:32,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2024-11-28 05:19:32,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 813. [2024-11-28 05:19:32,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 610 states have (on average 1.3918032786885246) internal successors, (849), 611 states have internal predecessors, (849), 178 states have call successors, (178), 24 states have call predecessors, (178), 24 states have return successors, (178), 177 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-28 05:19:32,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1205 transitions. [2024-11-28 05:19:32,683 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1205 transitions. Word has length 219 [2024-11-28 05:19:32,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:32,684 INFO L471 AbstractCegarLoop]: Abstraction has 813 states and 1205 transitions. [2024-11-28 05:19:32,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:19:32,684 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1205 transitions. [2024-11-28 05:19:32,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-28 05:19:32,686 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:32,686 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:19:32,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 05:19:32,687 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:19:32,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:32,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1550834459, now seen corresponding path program 1 times [2024-11-28 05:19:32,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:32,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016431528] [2024-11-28 05:19:32,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:32,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:47,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:19:47,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:47,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016431528] [2024-11-28 05:19:47,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016431528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:47,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:47,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 05:19:47,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653664500] [2024-11-28 05:19:47,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:47,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:19:47,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:47,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:19:47,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:19:47,897 INFO L87 Difference]: Start difference. First operand 813 states and 1205 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:19:50,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:50,081 INFO L93 Difference]: Finished difference Result 1748 states and 2587 transitions. [2024-11-28 05:19:50,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 05:19:50,082 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 219 [2024-11-28 05:19:50,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:50,088 INFO L225 Difference]: With dead ends: 1748 [2024-11-28 05:19:50,088 INFO L226 Difference]: Without dead ends: 1205 [2024-11-28 05:19:50,090 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:19:50,090 INFO L435 NwaCegarLoop]: 243 mSDtfsCounter, 431 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 1340 SdHoareTripleChecker+Invalid, 1181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:50,091 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 1340 Invalid, 1181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 05:19:50,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2024-11-28 05:19:50,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 815. [2024-11-28 05:19:50,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 815 states, 612 states have (on average 1.3905228758169934) internal successors, (851), 613 states have internal predecessors, (851), 178 states have call successors, (178), 24 states have call predecessors, (178), 24 states have return successors, (178), 177 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-28 05:19:50,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1207 transitions. [2024-11-28 05:19:50,187 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1207 transitions. Word has length 219 [2024-11-28 05:19:50,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:50,188 INFO L471 AbstractCegarLoop]: Abstraction has 815 states and 1207 transitions. [2024-11-28 05:19:50,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:19:50,188 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1207 transitions. [2024-11-28 05:19:50,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-28 05:19:50,193 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:50,193 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:19:50,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 05:19:50,194 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:19:50,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:50,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1199103594, now seen corresponding path program 1 times [2024-11-28 05:19:50,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:50,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733633750] [2024-11-28 05:19:50,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:50,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:19:50,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:19:50,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:19:50,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733633750] [2024-11-28 05:19:50,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733633750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:19:50,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:19:50,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:19:50,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564112556] [2024-11-28 05:19:50,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:19:50,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:19:50,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:19:50,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:19:50,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:19:50,470 INFO L87 Difference]: Start difference. First operand 815 states and 1207 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:19:50,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:19:50,633 INFO L93 Difference]: Finished difference Result 1108 states and 1659 transitions. [2024-11-28 05:19:50,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:19:50,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-11-28 05:19:50,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:19:50,640 INFO L225 Difference]: With dead ends: 1108 [2024-11-28 05:19:50,641 INFO L226 Difference]: Without dead ends: 901 [2024-11-28 05:19:50,642 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:19:50,643 INFO L435 NwaCegarLoop]: 214 mSDtfsCounter, 98 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:19:50,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 476 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:19:50,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2024-11-28 05:19:50,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 818. [2024-11-28 05:19:50,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 623 states have (on average 1.404494382022472) internal successors, (875), 623 states have internal predecessors, (875), 170 states have call successors, (170), 24 states have call predecessors, (170), 24 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2024-11-28 05:19:50,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1215 transitions. [2024-11-28 05:19:50,741 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1215 transitions. Word has length 220 [2024-11-28 05:19:50,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:19:50,742 INFO L471 AbstractCegarLoop]: Abstraction has 818 states and 1215 transitions. [2024-11-28 05:19:50,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:19:50,743 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1215 transitions. [2024-11-28 05:19:50,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-28 05:19:50,744 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:19:50,745 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:19:50,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 05:19:50,745 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:19:50,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:19:50,746 INFO L85 PathProgramCache]: Analyzing trace with hash -575903768, now seen corresponding path program 1 times [2024-11-28 05:19:50,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:19:50,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52641107] [2024-11-28 05:19:50,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:19:50,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:19:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:10,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:20:10,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:20:10,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52641107] [2024-11-28 05:20:10,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52641107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:20:10,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:20:10,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-28 05:20:10,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425525278] [2024-11-28 05:20:10,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:20:10,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 05:20:10,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:20:10,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 05:20:10,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-11-28 05:20:10,485 INFO L87 Difference]: Start difference. First operand 818 states and 1215 transitions. Second operand has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-28 05:20:17,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:20:17,375 INFO L93 Difference]: Finished difference Result 1340 states and 1985 transitions. [2024-11-28 05:20:17,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 05:20:17,375 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 220 [2024-11-28 05:20:17,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:20:17,382 INFO L225 Difference]: With dead ends: 1340 [2024-11-28 05:20:17,382 INFO L226 Difference]: Without dead ends: 1128 [2024-11-28 05:20:17,384 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=243, Invalid=749, Unknown=0, NotChecked=0, Total=992 [2024-11-28 05:20:17,384 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 838 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 1742 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 838 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 1915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 1742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:20:17,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [838 Valid, 968 Invalid, 1915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 1742 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-28 05:20:17,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2024-11-28 05:20:17,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 827. [2024-11-28 05:20:17,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 827 states, 632 states have (on average 1.4034810126582278) internal successors, (887), 632 states have internal predecessors, (887), 170 states have call successors, (170), 24 states have call predecessors, (170), 24 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2024-11-28 05:20:17,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1227 transitions. [2024-11-28 05:20:17,484 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1227 transitions. Word has length 220 [2024-11-28 05:20:17,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:20:17,485 INFO L471 AbstractCegarLoop]: Abstraction has 827 states and 1227 transitions. [2024-11-28 05:20:17,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-28 05:20:17,485 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1227 transitions. [2024-11-28 05:20:17,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-28 05:20:17,487 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:20:17,487 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:20:17,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 05:20:17,488 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:20:17,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:17,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1162709782, now seen corresponding path program 1 times [2024-11-28 05:20:17,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:20:17,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263682646] [2024-11-28 05:20:17,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:17,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:17,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:20:17,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:20:17,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263682646] [2024-11-28 05:20:17,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263682646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:20:17,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:20:17,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:20:17,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133202974] [2024-11-28 05:20:17,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:20:17,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:20:17,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:20:17,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:20:17,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:20:17,765 INFO L87 Difference]: Start difference. First operand 827 states and 1227 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:20:17,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:20:17,911 INFO L93 Difference]: Finished difference Result 1699 states and 2492 transitions. [2024-11-28 05:20:17,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:20:17,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-11-28 05:20:17,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:20:17,918 INFO L225 Difference]: With dead ends: 1699 [2024-11-28 05:20:17,918 INFO L226 Difference]: Without dead ends: 1004 [2024-11-28 05:20:17,920 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 05:20:17,921 INFO L435 NwaCegarLoop]: 229 mSDtfsCounter, 39 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:20:17,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 608 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:20:17,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2024-11-28 05:20:18,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 905. [2024-11-28 05:20:18,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 705 states have (on average 1.3872340425531915) internal successors, (978), 706 states have internal predecessors, (978), 174 states have call successors, (174), 25 states have call predecessors, (174), 25 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 05:20:18,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1326 transitions. [2024-11-28 05:20:18,024 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1326 transitions. Word has length 220 [2024-11-28 05:20:18,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:20:18,024 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1326 transitions. [2024-11-28 05:20:18,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:20:18,025 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1326 transitions. [2024-11-28 05:20:18,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-28 05:20:18,027 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:20:18,027 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:20:18,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 05:20:18,027 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:20:18,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:18,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1228778410, now seen corresponding path program 1 times [2024-11-28 05:20:18,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:20:18,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622477565] [2024-11-28 05:20:18,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:18,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:38,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:20:38,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:20:38,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622477565] [2024-11-28 05:20:38,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622477565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:20:38,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:20:38,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 05:20:38,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062329140] [2024-11-28 05:20:38,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:20:38,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 05:20:38,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:20:38,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 05:20:38,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:20:38,249 INFO L87 Difference]: Start difference. First operand 905 states and 1326 transitions. Second operand has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:20:39,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:20:39,862 INFO L93 Difference]: Finished difference Result 1471 states and 2143 transitions. [2024-11-28 05:20:39,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 05:20:39,863 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 220 [2024-11-28 05:20:39,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:20:39,867 INFO L225 Difference]: With dead ends: 1471 [2024-11-28 05:20:39,868 INFO L226 Difference]: Without dead ends: 1221 [2024-11-28 05:20:39,869 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=115, Invalid=227, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:20:39,869 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 635 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 779 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:20:39,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [635 Valid, 779 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 864 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 05:20:39,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2024-11-28 05:20:39,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 930. [2024-11-28 05:20:39,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 930 states, 730 states have (on average 1.395890410958904) internal successors, (1019), 731 states have internal predecessors, (1019), 174 states have call successors, (174), 25 states have call predecessors, (174), 25 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 05:20:39,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1367 transitions. [2024-11-28 05:20:39,961 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1367 transitions. Word has length 220 [2024-11-28 05:20:39,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:20:39,962 INFO L471 AbstractCegarLoop]: Abstraction has 930 states and 1367 transitions. [2024-11-28 05:20:39,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:20:39,962 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1367 transitions. [2024-11-28 05:20:39,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-28 05:20:39,964 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:20:39,964 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:20:39,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 05:20:39,965 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:20:39,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:39,965 INFO L85 PathProgramCache]: Analyzing trace with hash -546228952, now seen corresponding path program 1 times [2024-11-28 05:20:39,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:20:39,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021825806] [2024-11-28 05:20:39,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:39,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:56,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:20:56,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:20:56,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021825806] [2024-11-28 05:20:56,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021825806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:20:56,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:20:56,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-28 05:20:56,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39100820] [2024-11-28 05:20:56,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:20:56,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 05:20:56,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:20:56,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 05:20:56,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2024-11-28 05:20:56,147 INFO L87 Difference]: Start difference. First operand 930 states and 1367 transitions. Second operand has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:21:00,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:00,185 INFO L93 Difference]: Finished difference Result 1455 states and 2123 transitions. [2024-11-28 05:21:00,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 05:21:00,185 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 220 [2024-11-28 05:21:00,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:00,190 INFO L225 Difference]: With dead ends: 1455 [2024-11-28 05:21:00,190 INFO L226 Difference]: Without dead ends: 1205 [2024-11-28 05:21:00,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=231, Invalid=699, Unknown=0, NotChecked=0, Total=930 [2024-11-28 05:21:00,192 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 885 mSDsluCounter, 958 mSDsCounter, 0 mSdLazyCounter, 2013 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 2221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 2013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:00,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [885 Valid, 1090 Invalid, 2221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 2013 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-28 05:21:00,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2024-11-28 05:21:00,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 930. [2024-11-28 05:21:00,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 930 states, 730 states have (on average 1.395890410958904) internal successors, (1019), 731 states have internal predecessors, (1019), 174 states have call successors, (174), 25 states have call predecessors, (174), 25 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 05:21:00,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1367 transitions. [2024-11-28 05:21:00,280 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1367 transitions. Word has length 220 [2024-11-28 05:21:00,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:00,281 INFO L471 AbstractCegarLoop]: Abstraction has 930 states and 1367 transitions. [2024-11-28 05:21:00,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:21:00,281 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1367 transitions. [2024-11-28 05:21:00,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-28 05:21:00,283 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:00,283 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:00,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 05:21:00,283 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:00,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:00,284 INFO L85 PathProgramCache]: Analyzing trace with hash 389655148, now seen corresponding path program 1 times [2024-11-28 05:21:00,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:21:00,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092521787] [2024-11-28 05:21:00,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:00,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:21:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:02,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:21:02,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:21:02,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092521787] [2024-11-28 05:21:02,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092521787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:21:02,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:21:02,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 05:21:02,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909405905] [2024-11-28 05:21:02,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:02,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:21:02,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:21:02,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:21:02,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:21:02,043 INFO L87 Difference]: Start difference. First operand 930 states and 1367 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:21:03,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:03,381 INFO L93 Difference]: Finished difference Result 2262 states and 3275 transitions. [2024-11-28 05:21:03,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 05:21:03,381 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-11-28 05:21:03,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:03,385 INFO L225 Difference]: With dead ends: 2262 [2024-11-28 05:21:03,385 INFO L226 Difference]: Without dead ends: 1495 [2024-11-28 05:21:03,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:21:03,387 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 467 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:03,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 752 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 05:21:03,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2024-11-28 05:21:03,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1098. [2024-11-28 05:21:03,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 898 states have (on average 1.400890868596882) internal successors, (1258), 899 states have internal predecessors, (1258), 174 states have call successors, (174), 25 states have call predecessors, (174), 25 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 05:21:03,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1606 transitions. [2024-11-28 05:21:03,506 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1606 transitions. Word has length 220 [2024-11-28 05:21:03,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:03,507 INFO L471 AbstractCegarLoop]: Abstraction has 1098 states and 1606 transitions. [2024-11-28 05:21:03,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:21:03,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1606 transitions. [2024-11-28 05:21:03,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-28 05:21:03,510 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:03,510 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:03,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 05:21:03,510 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:03,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:03,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1385352214, now seen corresponding path program 1 times [2024-11-28 05:21:03,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:21:03,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021920741] [2024-11-28 05:21:03,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:03,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:21:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:17,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:21:17,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:21:17,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021920741] [2024-11-28 05:21:17,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021920741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:21:17,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:21:17,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-28 05:21:17,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474022308] [2024-11-28 05:21:17,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:17,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:21:17,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:21:17,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:21:17,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:21:17,568 INFO L87 Difference]: Start difference. First operand 1098 states and 1606 transitions. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:21:20,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:20,567 INFO L93 Difference]: Finished difference Result 1942 states and 2809 transitions. [2024-11-28 05:21:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 05:21:20,567 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-11-28 05:21:20,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:20,574 INFO L225 Difference]: With dead ends: 1942 [2024-11-28 05:21:20,574 INFO L226 Difference]: Without dead ends: 1642 [2024-11-28 05:21:20,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=163, Invalid=437, Unknown=0, NotChecked=0, Total=600 [2024-11-28 05:21:20,576 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 782 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 782 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 1516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:20,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [782 Valid, 968 Invalid, 1516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 05:21:20,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1642 states. [2024-11-28 05:21:20,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1642 to 1133. [2024-11-28 05:21:20,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 933 states have (on average 1.407288317256163) internal successors, (1313), 934 states have internal predecessors, (1313), 174 states have call successors, (174), 25 states have call predecessors, (174), 25 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 05:21:20,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1661 transitions. [2024-11-28 05:21:20,668 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1661 transitions. Word has length 220 [2024-11-28 05:21:20,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:20,668 INFO L471 AbstractCegarLoop]: Abstraction has 1133 states and 1661 transitions. [2024-11-28 05:21:20,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:21:20,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1661 transitions. [2024-11-28 05:21:20,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-28 05:21:20,670 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:20,671 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:20,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 05:21:20,671 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:20,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:20,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1277813782, now seen corresponding path program 1 times [2024-11-28 05:21:20,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:21:20,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040079433] [2024-11-28 05:21:20,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:20,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:21:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:26,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:21:26,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:21:26,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040079433] [2024-11-28 05:21:26,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040079433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:21:26,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:21:26,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 05:21:26,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062727364] [2024-11-28 05:21:26,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:26,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 05:21:26,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:21:26,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 05:21:26,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:21:26,940 INFO L87 Difference]: Start difference. First operand 1133 states and 1661 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:21:28,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:28,017 INFO L93 Difference]: Finished difference Result 2225 states and 3238 transitions. [2024-11-28 05:21:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:21:28,018 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-11-28 05:21:28,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:28,022 INFO L225 Difference]: With dead ends: 2225 [2024-11-28 05:21:28,022 INFO L226 Difference]: Without dead ends: 1270 [2024-11-28 05:21:28,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:21:28,024 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 308 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:28,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 886 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 05:21:28,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states. [2024-11-28 05:21:28,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 1135. [2024-11-28 05:21:28,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 935 states have (on average 1.4064171122994653) internal successors, (1315), 936 states have internal predecessors, (1315), 174 states have call successors, (174), 25 states have call predecessors, (174), 25 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 05:21:28,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1663 transitions. [2024-11-28 05:21:28,112 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1663 transitions. Word has length 220 [2024-11-28 05:21:28,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:28,113 INFO L471 AbstractCegarLoop]: Abstraction has 1135 states and 1663 transitions. [2024-11-28 05:21:28,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:21:28,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1663 transitions. [2024-11-28 05:21:28,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-28 05:21:28,115 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:28,115 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:28,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 05:21:28,115 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:28,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:28,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1242146152, now seen corresponding path program 1 times [2024-11-28 05:21:28,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:21:28,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749452222] [2024-11-28 05:21:28,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:28,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:21:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:45,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:21:45,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:21:45,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749452222] [2024-11-28 05:21:45,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749452222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:21:45,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:21:45,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-28 05:21:45,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413135324] [2024-11-28 05:21:45,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:45,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:21:45,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:21:45,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:21:45,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:21:45,092 INFO L87 Difference]: Start difference. First operand 1135 states and 1663 transitions. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:21:47,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:47,878 INFO L93 Difference]: Finished difference Result 2235 states and 3247 transitions. [2024-11-28 05:21:47,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 05:21:47,879 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 220 [2024-11-28 05:21:47,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:47,885 INFO L225 Difference]: With dead ends: 2235 [2024-11-28 05:21:47,885 INFO L226 Difference]: Without dead ends: 1278 [2024-11-28 05:21:47,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-11-28 05:21:47,888 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 396 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 1065 SdHoareTripleChecker+Invalid, 1353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:47,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 1065 Invalid, 1353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 05:21:47,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2024-11-28 05:21:47,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1133. [2024-11-28 05:21:47,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 933 states have (on average 1.4062165058949625) internal successors, (1312), 934 states have internal predecessors, (1312), 174 states have call successors, (174), 25 states have call predecessors, (174), 25 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 05:21:47,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1660 transitions. [2024-11-28 05:21:47,963 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1660 transitions. Word has length 220 [2024-11-28 05:21:47,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:47,963 INFO L471 AbstractCegarLoop]: Abstraction has 1133 states and 1660 transitions. [2024-11-28 05:21:47,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:21:47,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1660 transitions. [2024-11-28 05:21:47,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-28 05:21:47,965 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:47,965 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:47,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 05:21:47,966 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:47,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:47,966 INFO L85 PathProgramCache]: Analyzing trace with hash -345079916, now seen corresponding path program 1 times [2024-11-28 05:21:47,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:21:47,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175414529] [2024-11-28 05:21:47,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:47,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:21:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:21:55,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:21:55,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:21:55,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175414529] [2024-11-28 05:21:55,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175414529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:21:55,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:21:55,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 05:21:55,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969993897] [2024-11-28 05:21:55,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:21:55,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 05:21:55,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:21:55,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 05:21:55,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:21:55,609 INFO L87 Difference]: Start difference. First operand 1133 states and 1660 transitions. Second operand has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:21:58,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:21:58,134 INFO L93 Difference]: Finished difference Result 1889 states and 2739 transitions. [2024-11-28 05:21:58,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 05:21:58,135 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2024-11-28 05:21:58,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:21:58,139 INFO L225 Difference]: With dead ends: 1889 [2024-11-28 05:21:58,139 INFO L226 Difference]: Without dead ends: 1555 [2024-11-28 05:21:58,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=180, Invalid=372, Unknown=0, NotChecked=0, Total=552 [2024-11-28 05:21:58,140 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 521 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 854 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:21:58,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 828 Invalid, 964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 854 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 05:21:58,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2024-11-28 05:21:58,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 1117. [2024-11-28 05:21:58,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 917 states have (on average 1.4023991275899672) internal successors, (1286), 918 states have internal predecessors, (1286), 174 states have call successors, (174), 25 states have call predecessors, (174), 25 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 05:21:58,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1634 transitions. [2024-11-28 05:21:58,232 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1634 transitions. Word has length 221 [2024-11-28 05:21:58,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:21:58,232 INFO L471 AbstractCegarLoop]: Abstraction has 1117 states and 1634 transitions. [2024-11-28 05:21:58,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:21:58,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1634 transitions. [2024-11-28 05:21:58,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-28 05:21:58,234 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:21:58,235 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:58,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 05:21:58,235 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:21:58,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:21:58,235 INFO L85 PathProgramCache]: Analyzing trace with hash 285396826, now seen corresponding path program 1 times [2024-11-28 05:21:58,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:21:58,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187952458] [2024-11-28 05:21:58,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:21:58,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:21:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:21,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:22:21,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:21,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187952458] [2024-11-28 05:22:21,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187952458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:21,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:21,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-11-28 05:22:21,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378023248] [2024-11-28 05:22:21,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:21,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-28 05:22:21,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:21,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-28 05:22:21,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2024-11-28 05:22:21,948 INFO L87 Difference]: Start difference. First operand 1117 states and 1634 transitions. Second operand has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 21 states have internal predecessors, (54), 4 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-28 05:22:28,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:28,651 INFO L93 Difference]: Finished difference Result 2027 states and 2913 transitions. [2024-11-28 05:22:28,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 05:22:28,652 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 21 states have internal predecessors, (54), 4 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 221 [2024-11-28 05:22:28,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:28,659 INFO L225 Difference]: With dead ends: 2027 [2024-11-28 05:22:28,659 INFO L226 Difference]: Without dead ends: 1693 [2024-11-28 05:22:28,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=330, Invalid=1076, Unknown=0, NotChecked=0, Total=1406 [2024-11-28 05:22:28,663 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 1297 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 3182 mSolverCounterSat, 382 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1297 SdHoareTripleChecker+Valid, 1469 SdHoareTripleChecker+Invalid, 3564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 382 IncrementalHoareTripleChecker+Valid, 3182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:22:28,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1297 Valid, 1469 Invalid, 3564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [382 Valid, 3182 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-28 05:22:28,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2024-11-28 05:22:28,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1122. [2024-11-28 05:22:28,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 922 states have (on average 1.4023861171366594) internal successors, (1293), 923 states have internal predecessors, (1293), 174 states have call successors, (174), 25 states have call predecessors, (174), 25 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 05:22:28,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1641 transitions. [2024-11-28 05:22:28,770 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1641 transitions. Word has length 221 [2024-11-28 05:22:28,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:28,771 INFO L471 AbstractCegarLoop]: Abstraction has 1122 states and 1641 transitions. [2024-11-28 05:22:28,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 21 states have internal predecessors, (54), 4 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-28 05:22:28,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1641 transitions. [2024-11-28 05:22:28,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-28 05:22:28,776 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:28,776 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:28,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 05:22:28,777 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:22:28,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:28,778 INFO L85 PathProgramCache]: Analyzing trace with hash -99278890, now seen corresponding path program 1 times [2024-11-28 05:22:28,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:28,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607093477] [2024-11-28 05:22:28,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:28,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:44,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:22:44,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:44,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607093477] [2024-11-28 05:22:44,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607093477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:44,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:44,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 05:22:44,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043621521] [2024-11-28 05:22:44,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:44,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 05:22:44,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:44,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 05:22:44,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:22:44,408 INFO L87 Difference]: Start difference. First operand 1122 states and 1641 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:22:45,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:45,480 INFO L93 Difference]: Finished difference Result 2005 states and 2922 transitions. [2024-11-28 05:22:45,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 05:22:45,481 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2024-11-28 05:22:45,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:45,487 INFO L225 Difference]: With dead ends: 2005 [2024-11-28 05:22:45,487 INFO L226 Difference]: Without dead ends: 1212 [2024-11-28 05:22:45,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=82, Invalid=128, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:22:45,489 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 511 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:22:45,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 732 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 05:22:45,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2024-11-28 05:22:45,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1096. [2024-11-28 05:22:45,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1096 states, 896 states have (on average 1.4040178571428572) internal successors, (1258), 897 states have internal predecessors, (1258), 174 states have call successors, (174), 25 states have call predecessors, (174), 25 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 05:22:45,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1606 transitions. [2024-11-28 05:22:45,584 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1606 transitions. Word has length 221 [2024-11-28 05:22:45,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:45,585 INFO L471 AbstractCegarLoop]: Abstraction has 1096 states and 1606 transitions. [2024-11-28 05:22:45,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:22:45,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1606 transitions. [2024-11-28 05:22:45,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-28 05:22:45,586 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:45,586 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:45,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 05:22:45,587 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:22:45,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:45,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1720123493, now seen corresponding path program 1 times [2024-11-28 05:22:45,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:45,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100248379] [2024-11-28 05:22:45,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:45,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:47,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:22:47,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:47,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100248379] [2024-11-28 05:22:47,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100248379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:47,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:47,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 05:22:47,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361957708] [2024-11-28 05:22:47,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:47,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 05:22:47,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:47,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 05:22:47,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:22:47,911 INFO L87 Difference]: Start difference. First operand 1096 states and 1606 transitions. Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:22:49,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:49,951 INFO L93 Difference]: Finished difference Result 1265 states and 1823 transitions. [2024-11-28 05:22:49,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 05:22:49,951 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 222 [2024-11-28 05:22:49,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:49,957 INFO L225 Difference]: With dead ends: 1265 [2024-11-28 05:22:49,957 INFO L226 Difference]: Without dead ends: 1263 [2024-11-28 05:22:49,958 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=116, Invalid=534, Unknown=0, NotChecked=0, Total=650 [2024-11-28 05:22:49,958 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 528 mSDsluCounter, 1340 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 1371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:22:49,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [528 Valid, 1559 Invalid, 1371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 05:22:49,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1263 states. [2024-11-28 05:22:50,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1263 to 1136. [2024-11-28 05:22:50,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1136 states, 933 states have (on average 1.3987138263665595) internal successors, (1305), 935 states have internal predecessors, (1305), 176 states have call successors, (176), 26 states have call predecessors, (176), 26 states have return successors, (176), 174 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-28 05:22:50,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1657 transitions. [2024-11-28 05:22:50,030 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1657 transitions. Word has length 222 [2024-11-28 05:22:50,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:50,030 INFO L471 AbstractCegarLoop]: Abstraction has 1136 states and 1657 transitions. [2024-11-28 05:22:50,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:22:50,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1657 transitions. [2024-11-28 05:22:50,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-28 05:22:50,032 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:50,032 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:50,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 05:22:50,032 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:22:50,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:50,033 INFO L85 PathProgramCache]: Analyzing trace with hash -405561189, now seen corresponding path program 1 times [2024-11-28 05:22:50,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:50,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374166417] [2024-11-28 05:22:50,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:50,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:22:54,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:22:54,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:22:54,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374166417] [2024-11-28 05:22:54,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374166417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:22:54,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:22:54,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 05:22:54,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918945880] [2024-11-28 05:22:54,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:22:54,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 05:22:54,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:22:54,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 05:22:54,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:22:54,236 INFO L87 Difference]: Start difference. First operand 1136 states and 1657 transitions. Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-28 05:22:57,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:22:57,553 INFO L93 Difference]: Finished difference Result 1813 states and 2634 transitions. [2024-11-28 05:22:57,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 05:22:57,553 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 222 [2024-11-28 05:22:57,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:22:57,561 INFO L225 Difference]: With dead ends: 1813 [2024-11-28 05:22:57,562 INFO L226 Difference]: Without dead ends: 1446 [2024-11-28 05:22:57,563 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=164, Invalid=592, Unknown=0, NotChecked=0, Total=756 [2024-11-28 05:22:57,564 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 772 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 2186 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 2314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 2186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:22:57,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 1357 Invalid, 2314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 2186 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-28 05:22:57,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2024-11-28 05:22:57,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 1357. [2024-11-28 05:22:57,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1357 states, 1129 states have (on average 1.3923826395039858) internal successors, (1572), 1134 states have internal predecessors, (1572), 196 states have call successors, (196), 31 states have call predecessors, (196), 31 states have return successors, (196), 191 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-28 05:22:57,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1964 transitions. [2024-11-28 05:22:57,696 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1964 transitions. Word has length 222 [2024-11-28 05:22:57,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:22:57,696 INFO L471 AbstractCegarLoop]: Abstraction has 1357 states and 1964 transitions. [2024-11-28 05:22:57,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-28 05:22:57,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1964 transitions. [2024-11-28 05:22:57,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-28 05:22:57,699 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:22:57,699 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:57,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 05:22:57,699 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:22:57,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:22:57,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1294980125, now seen corresponding path program 1 times [2024-11-28 05:22:57,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:22:57,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045448194] [2024-11-28 05:22:57,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:22:57,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:22:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:23:00,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:23:00,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:23:00,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045448194] [2024-11-28 05:23:00,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045448194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:23:00,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:23:00,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 05:23:00,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539046828] [2024-11-28 05:23:00,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:23:00,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 05:23:00,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:23:00,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 05:23:00,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:23:00,135 INFO L87 Difference]: Start difference. First operand 1357 states and 1964 transitions. Second operand has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:23:01,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:23:01,332 INFO L93 Difference]: Finished difference Result 1628 states and 2306 transitions. [2024-11-28 05:23:01,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 05:23:01,333 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-11-28 05:23:01,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:23:01,340 INFO L225 Difference]: With dead ends: 1628 [2024-11-28 05:23:01,340 INFO L226 Difference]: Without dead ends: 1626 [2024-11-28 05:23:01,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2024-11-28 05:23:01,341 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 217 mSDsluCounter, 1100 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:23:01,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 1328 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 05:23:01,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1626 states. [2024-11-28 05:23:01,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1626 to 1378. [2024-11-28 05:23:01,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1378 states, 1150 states have (on average 1.3895652173913045) internal successors, (1598), 1155 states have internal predecessors, (1598), 196 states have call successors, (196), 31 states have call predecessors, (196), 31 states have return successors, (196), 191 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-28 05:23:01,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 1990 transitions. [2024-11-28 05:23:01,458 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 1990 transitions. Word has length 222 [2024-11-28 05:23:01,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:23:01,458 INFO L471 AbstractCegarLoop]: Abstraction has 1378 states and 1990 transitions. [2024-11-28 05:23:01,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:23:01,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1990 transitions. [2024-11-28 05:23:01,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-28 05:23:01,460 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:23:01,460 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:23:01,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-28 05:23:01,460 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:23:01,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:23:01,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1685424867, now seen corresponding path program 1 times [2024-11-28 05:23:01,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:23:01,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328173594] [2024-11-28 05:23:01,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:23:01,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:23:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:23:04,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:23:04,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:23:04,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328173594] [2024-11-28 05:23:04,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328173594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:23:04,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:23:04,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-28 05:23:04,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128799957] [2024-11-28 05:23:04,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:23:04,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 05:23:04,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:23:04,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 05:23:04,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-11-28 05:23:04,650 INFO L87 Difference]: Start difference. First operand 1378 states and 1990 transitions. Second operand has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-28 05:23:07,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:23:07,638 INFO L93 Difference]: Finished difference Result 2061 states and 2947 transitions. [2024-11-28 05:23:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 05:23:07,638 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 222 [2024-11-28 05:23:07,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:23:07,645 INFO L225 Difference]: With dead ends: 2061 [2024-11-28 05:23:07,645 INFO L226 Difference]: Without dead ends: 1501 [2024-11-28 05:23:07,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2024-11-28 05:23:07,648 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 407 mSDsluCounter, 1029 mSDsCounter, 0 mSdLazyCounter, 1825 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 1177 SdHoareTripleChecker+Invalid, 1872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:23:07,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 1177 Invalid, 1872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1825 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 05:23:07,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2024-11-28 05:23:07,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 1332. [2024-11-28 05:23:07,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1332 states, 1106 states have (on average 1.3869801084990958) internal successors, (1534), 1108 states have internal predecessors, (1534), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 05:23:07,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1914 transitions. [2024-11-28 05:23:07,758 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1914 transitions. Word has length 222 [2024-11-28 05:23:07,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:23:07,759 INFO L471 AbstractCegarLoop]: Abstraction has 1332 states and 1914 transitions. [2024-11-28 05:23:07,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-28 05:23:07,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1914 transitions. [2024-11-28 05:23:07,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-28 05:23:07,761 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:23:07,761 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:23:07,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-28 05:23:07,761 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:23:07,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:23:07,762 INFO L85 PathProgramCache]: Analyzing trace with hash -975805105, now seen corresponding path program 1 times [2024-11-28 05:23:07,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:23:07,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745590444] [2024-11-28 05:23:07,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:23:07,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:23:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:23:22,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:23:22,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:23:22,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745590444] [2024-11-28 05:23:22,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745590444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:23:22,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:23:22,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-28 05:23:22,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683253944] [2024-11-28 05:23:22,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:23:22,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 05:23:22,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:23:22,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 05:23:22,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-28 05:23:22,691 INFO L87 Difference]: Start difference. First operand 1332 states and 1914 transitions. Second operand has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:23:24,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:23:24,405 INFO L93 Difference]: Finished difference Result 2490 states and 3515 transitions. [2024-11-28 05:23:24,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 05:23:24,406 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-11-28 05:23:24,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:23:24,410 INFO L225 Difference]: With dead ends: 2490 [2024-11-28 05:23:24,410 INFO L226 Difference]: Without dead ends: 1980 [2024-11-28 05:23:24,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2024-11-28 05:23:24,412 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 541 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:23:24,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 896 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 942 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 05:23:24,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2024-11-28 05:23:24,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1351. [2024-11-28 05:23:24,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1351 states, 1125 states have (on average 1.3902222222222222) internal successors, (1564), 1127 states have internal predecessors, (1564), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 05:23:24,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1944 transitions. [2024-11-28 05:23:24,544 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1944 transitions. Word has length 222 [2024-11-28 05:23:24,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:23:24,544 INFO L471 AbstractCegarLoop]: Abstraction has 1351 states and 1944 transitions. [2024-11-28 05:23:24,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:23:24,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1944 transitions. [2024-11-28 05:23:24,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-28 05:23:24,546 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:23:24,546 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:23:24,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-28 05:23:24,546 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:23:24,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:23:24,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1027570907, now seen corresponding path program 1 times [2024-11-28 05:23:24,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:23:24,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311928384] [2024-11-28 05:23:24,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:23:24,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:23:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:23:27,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:23:27,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:23:27,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311928384] [2024-11-28 05:23:27,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311928384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:23:27,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:23:27,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-28 05:23:27,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868648801] [2024-11-28 05:23:27,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:23:27,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 05:23:27,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:23:27,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 05:23:27,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-11-28 05:23:27,501 INFO L87 Difference]: Start difference. First operand 1351 states and 1944 transitions. Second operand has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:23:32,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:23:32,101 INFO L93 Difference]: Finished difference Result 3322 states and 4677 transitions. [2024-11-28 05:23:32,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 05:23:32,101 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-11-28 05:23:32,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:23:32,109 INFO L225 Difference]: With dead ends: 3322 [2024-11-28 05:23:32,110 INFO L226 Difference]: Without dead ends: 2176 [2024-11-28 05:23:32,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=210, Invalid=720, Unknown=0, NotChecked=0, Total=930 [2024-11-28 05:23:32,114 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 767 mSDsluCounter, 1465 mSDsCounter, 0 mSdLazyCounter, 1758 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 1634 SdHoareTripleChecker+Invalid, 1826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:23:32,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 1634 Invalid, 1826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1758 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-28 05:23:32,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2024-11-28 05:23:32,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 1462. [2024-11-28 05:23:32,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1236 states have (on average 1.3867313915857604) internal successors, (1714), 1238 states have internal predecessors, (1714), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 05:23:32,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2094 transitions. [2024-11-28 05:23:32,237 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2094 transitions. Word has length 222 [2024-11-28 05:23:32,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:23:32,237 INFO L471 AbstractCegarLoop]: Abstraction has 1462 states and 2094 transitions. [2024-11-28 05:23:32,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:23:32,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2094 transitions. [2024-11-28 05:23:32,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-28 05:23:32,239 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:23:32,239 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:23:32,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-28 05:23:32,239 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:23:32,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:23:32,239 INFO L85 PathProgramCache]: Analyzing trace with hash -252292771, now seen corresponding path program 1 times [2024-11-28 05:23:32,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:23:32,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702693735] [2024-11-28 05:23:32,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:23:32,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:23:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:23:35,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:23:35,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:23:35,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702693735] [2024-11-28 05:23:35,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702693735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:23:35,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:23:35,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-28 05:23:35,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891250479] [2024-11-28 05:23:35,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:23:35,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 05:23:35,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:23:35,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 05:23:35,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-28 05:23:35,406 INFO L87 Difference]: Start difference. First operand 1462 states and 2094 transitions. Second operand has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:23:40,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:23:40,209 INFO L93 Difference]: Finished difference Result 2584 states and 3624 transitions. [2024-11-28 05:23:40,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-28 05:23:40,210 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-11-28 05:23:40,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:23:40,217 INFO L225 Difference]: With dead ends: 2584 [2024-11-28 05:23:40,217 INFO L226 Difference]: Without dead ends: 2038 [2024-11-28 05:23:40,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=267, Invalid=789, Unknown=0, NotChecked=0, Total=1056 [2024-11-28 05:23:40,219 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 748 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 1870 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 1477 SdHoareTripleChecker+Invalid, 1907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:23:40,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 1477 Invalid, 1907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1870 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-28 05:23:40,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2038 states. [2024-11-28 05:23:40,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2038 to 1549. [2024-11-28 05:23:40,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1549 states, 1323 states have (on average 1.3907785336356764) internal successors, (1840), 1325 states have internal predecessors, (1840), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 05:23:40,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 1549 states and 2220 transitions. [2024-11-28 05:23:40,367 INFO L78 Accepts]: Start accepts. Automaton has 1549 states and 2220 transitions. Word has length 222 [2024-11-28 05:23:40,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:23:40,367 INFO L471 AbstractCegarLoop]: Abstraction has 1549 states and 2220 transitions. [2024-11-28 05:23:40,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:23:40,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 2220 transitions. [2024-11-28 05:23:40,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-28 05:23:40,369 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:23:40,369 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:23:40,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-28 05:23:40,370 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:23:40,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:23:40,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1669127451, now seen corresponding path program 1 times [2024-11-28 05:23:40,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:23:40,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086039756] [2024-11-28 05:23:40,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:23:40,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:23:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:23:42,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:23:42,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:23:42,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086039756] [2024-11-28 05:23:42,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086039756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:23:42,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:23:42,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 05:23:42,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238999788] [2024-11-28 05:23:42,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:23:42,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:23:42,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:23:42,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:23:42,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:23:42,585 INFO L87 Difference]: Start difference. First operand 1549 states and 2220 transitions. Second operand has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:23:43,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:23:43,903 INFO L93 Difference]: Finished difference Result 1871 states and 2631 transitions. [2024-11-28 05:23:43,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 05:23:43,903 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-11-28 05:23:43,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:23:43,909 INFO L225 Difference]: With dead ends: 1871 [2024-11-28 05:23:43,910 INFO L226 Difference]: Without dead ends: 1869 [2024-11-28 05:23:43,911 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-11-28 05:23:43,911 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 92 mSDsluCounter, 1110 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 1318 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:23:43,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 1318 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 05:23:43,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1869 states. [2024-11-28 05:23:44,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1869 to 1615. [2024-11-28 05:23:44,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1615 states, 1389 states have (on average 1.3938084953203744) internal successors, (1936), 1391 states have internal predecessors, (1936), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 05:23:44,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1615 states and 2316 transitions. [2024-11-28 05:23:44,074 INFO L78 Accepts]: Start accepts. Automaton has 1615 states and 2316 transitions. Word has length 222 [2024-11-28 05:23:44,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:23:44,074 INFO L471 AbstractCegarLoop]: Abstraction has 1615 states and 2316 transitions. [2024-11-28 05:23:44,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:23:44,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 2316 transitions. [2024-11-28 05:23:44,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-28 05:23:44,076 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:23:44,077 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:23:44,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-28 05:23:44,077 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:23:44,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:23:44,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1311277541, now seen corresponding path program 1 times [2024-11-28 05:23:44,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:23:44,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995058528] [2024-11-28 05:23:44,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:23:44,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:23:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:23:46,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:23:46,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:23:46,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995058528] [2024-11-28 05:23:46,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995058528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:23:46,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:23:46,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 05:23:46,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364050143] [2024-11-28 05:23:46,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:23:46,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 05:23:46,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:23:46,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 05:23:46,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:23:46,125 INFO L87 Difference]: Start difference. First operand 1615 states and 2316 transitions. Second operand has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:23:47,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:23:47,530 INFO L93 Difference]: Finished difference Result 2511 states and 3570 transitions. [2024-11-28 05:23:47,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:23:47,531 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-11-28 05:23:47,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:23:47,537 INFO L225 Difference]: With dead ends: 2511 [2024-11-28 05:23:47,538 INFO L226 Difference]: Without dead ends: 1889 [2024-11-28 05:23:47,539 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-28 05:23:47,540 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 211 mSDsluCounter, 1292 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 1468 SdHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:23:47,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 1468 Invalid, 1022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1015 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 05:23:47,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2024-11-28 05:23:47,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1578. [2024-11-28 05:23:47,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1578 states, 1352 states have (on average 1.3742603550295858) internal successors, (1858), 1354 states have internal predecessors, (1858), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 05:23:47,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1578 states and 2238 transitions. [2024-11-28 05:23:47,642 INFO L78 Accepts]: Start accepts. Automaton has 1578 states and 2238 transitions. Word has length 222 [2024-11-28 05:23:47,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:23:47,643 INFO L471 AbstractCegarLoop]: Abstraction has 1578 states and 2238 transitions. [2024-11-28 05:23:47,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:23:47,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 2238 transitions. [2024-11-28 05:23:47,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-28 05:23:47,645 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:23:47,645 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:23:47,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-28 05:23:47,645 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:23:47,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:23:47,646 INFO L85 PathProgramCache]: Analyzing trace with hash 389263773, now seen corresponding path program 1 times [2024-11-28 05:23:47,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:23:47,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444383792] [2024-11-28 05:23:47,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:23:47,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:23:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:23:50,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:23:50,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:23:50,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444383792] [2024-11-28 05:23:50,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444383792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:23:50,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:23:50,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-28 05:23:50,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437110207] [2024-11-28 05:23:50,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:23:50,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:23:50,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:23:50,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:23:50,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:23:50,741 INFO L87 Difference]: Start difference. First operand 1578 states and 2238 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:23:53,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:23:53,532 INFO L93 Difference]: Finished difference Result 1757 states and 2453 transitions. [2024-11-28 05:23:53,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 05:23:53,532 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 222 [2024-11-28 05:23:53,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:23:53,538 INFO L225 Difference]: With dead ends: 1757 [2024-11-28 05:23:53,538 INFO L226 Difference]: Without dead ends: 1755 [2024-11-28 05:23:53,540 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=113, Invalid=537, Unknown=0, NotChecked=0, Total=650 [2024-11-28 05:23:53,540 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 233 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 1177 SdHoareTripleChecker+Invalid, 1475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:23:53,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 1177 Invalid, 1475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1445 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 05:23:53,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2024-11-28 05:23:53,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1570. [2024-11-28 05:23:53,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1344 states have (on average 1.3742559523809523) internal successors, (1847), 1346 states have internal predecessors, (1847), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 05:23:53,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2227 transitions. [2024-11-28 05:23:53,705 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2227 transitions. Word has length 222 [2024-11-28 05:23:53,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:23:53,705 INFO L471 AbstractCegarLoop]: Abstraction has 1570 states and 2227 transitions. [2024-11-28 05:23:53,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:23:53,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2227 transitions. [2024-11-28 05:23:53,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-28 05:23:53,707 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:23:53,707 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:23:53,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-28 05:23:53,708 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:23:53,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:23:53,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1703826077, now seen corresponding path program 1 times [2024-11-28 05:23:53,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:23:53,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667272954] [2024-11-28 05:23:53,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:23:53,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:23:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:23:55,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:23:55,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:23:55,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667272954] [2024-11-28 05:23:55,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667272954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:23:55,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:23:55,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 05:23:55,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002004391] [2024-11-28 05:23:55,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:23:55,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 05:23:55,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:23:55,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 05:23:55,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-28 05:23:55,871 INFO L87 Difference]: Start difference. First operand 1570 states and 2227 transitions. Second operand has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:23:57,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:23:57,275 INFO L93 Difference]: Finished difference Result 1825 states and 2543 transitions. [2024-11-28 05:23:57,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 05:23:57,276 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-11-28 05:23:57,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:23:57,280 INFO L225 Difference]: With dead ends: 1825 [2024-11-28 05:23:57,280 INFO L226 Difference]: Without dead ends: 1823 [2024-11-28 05:23:57,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-28 05:23:57,281 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 211 mSDsluCounter, 1189 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 1380 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:23:57,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 1380 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 05:23:57,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1823 states. [2024-11-28 05:23:57,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1823 to 1573. [2024-11-28 05:23:57,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1573 states, 1347 states have (on average 1.3734224201930216) internal successors, (1850), 1349 states have internal predecessors, (1850), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 05:23:57,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 2230 transitions. [2024-11-28 05:23:57,389 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 2230 transitions. Word has length 222 [2024-11-28 05:23:57,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:23:57,389 INFO L471 AbstractCegarLoop]: Abstraction has 1573 states and 2230 transitions. [2024-11-28 05:23:57,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:23:57,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2230 transitions. [2024-11-28 05:23:57,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-28 05:23:57,390 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:23:57,390 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:23:57,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-28 05:23:57,391 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:23:57,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:23:57,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1037844719, now seen corresponding path program 1 times [2024-11-28 05:23:57,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:23:57,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669921615] [2024-11-28 05:23:57,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:23:57,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:23:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:11,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:24:11,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:11,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669921615] [2024-11-28 05:24:11,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669921615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:24:11,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:24:11,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-28 05:24:11,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344382655] [2024-11-28 05:24:11,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:24:11,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:24:11,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:11,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:24:11,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:24:11,389 INFO L87 Difference]: Start difference. First operand 1573 states and 2230 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:24:14,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:24:14,606 INFO L93 Difference]: Finished difference Result 2859 states and 3985 transitions. [2024-11-28 05:24:14,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 05:24:14,607 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 222 [2024-11-28 05:24:14,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:24:14,615 INFO L225 Difference]: With dead ends: 2859 [2024-11-28 05:24:14,615 INFO L226 Difference]: Without dead ends: 2314 [2024-11-28 05:24:14,617 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-28 05:24:14,619 INFO L435 NwaCegarLoop]: 222 mSDtfsCounter, 601 mSDsluCounter, 1187 mSDsCounter, 0 mSdLazyCounter, 1675 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 1409 SdHoareTripleChecker+Invalid, 1813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:24:14,619 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 1409 Invalid, 1813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1675 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-28 05:24:14,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2314 states. [2024-11-28 05:24:14,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2314 to 1554. [2024-11-28 05:24:14,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1554 states, 1328 states have (on average 1.3704819277108433) internal successors, (1820), 1330 states have internal predecessors, (1820), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 05:24:14,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 2200 transitions. [2024-11-28 05:24:14,792 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 2200 transitions. Word has length 222 [2024-11-28 05:24:14,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:24:14,793 INFO L471 AbstractCegarLoop]: Abstraction has 1554 states and 2200 transitions. [2024-11-28 05:24:14,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:24:14,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 2200 transitions. [2024-11-28 05:24:14,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-28 05:24:14,795 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:14,795 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:14,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-28 05:24:14,795 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:24:14,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:14,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1914334068, now seen corresponding path program 1 times [2024-11-28 05:24:14,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:14,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618303067] [2024-11-28 05:24:14,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:14,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:14,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:24:14,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:14,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618303067] [2024-11-28 05:24:14,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618303067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:24:14,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:24:14,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:24:14,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945943478] [2024-11-28 05:24:14,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:24:14,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:24:14,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:14,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:24:14,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:24:14,933 INFO L87 Difference]: Start difference. First operand 1554 states and 2200 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:24:15,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:24:15,374 INFO L93 Difference]: Finished difference Result 3204 states and 4478 transitions. [2024-11-28 05:24:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:24:15,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-11-28 05:24:15,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:24:15,386 INFO L225 Difference]: With dead ends: 3204 [2024-11-28 05:24:15,386 INFO L226 Difference]: Without dead ends: 1845 [2024-11-28 05:24:15,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:24:15,390 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 65 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:24:15,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 732 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:24:15,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1845 states. [2024-11-28 05:24:15,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1845 to 1598. [2024-11-28 05:24:15,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1598 states, 1372 states have (on average 1.3637026239067056) internal successors, (1871), 1374 states have internal predecessors, (1871), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 05:24:15,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1598 states and 2251 transitions. [2024-11-28 05:24:15,556 INFO L78 Accepts]: Start accepts. Automaton has 1598 states and 2251 transitions. Word has length 224 [2024-11-28 05:24:15,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:24:15,557 INFO L471 AbstractCegarLoop]: Abstraction has 1598 states and 2251 transitions. [2024-11-28 05:24:15,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:24:15,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 2251 transitions. [2024-11-28 05:24:15,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-28 05:24:15,559 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:15,559 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:15,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-28 05:24:15,559 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:24:15,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:15,560 INFO L85 PathProgramCache]: Analyzing trace with hash 521748290, now seen corresponding path program 1 times [2024-11-28 05:24:15,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:15,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337265429] [2024-11-28 05:24:15,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:15,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:15,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:24:15,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:15,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337265429] [2024-11-28 05:24:15,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337265429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:24:15,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:24:15,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:24:15,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133150176] [2024-11-28 05:24:15,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:24:15,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:24:15,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:15,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:24:15,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:24:15,659 INFO L87 Difference]: Start difference. First operand 1598 states and 2251 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:24:15,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:24:15,975 INFO L93 Difference]: Finished difference Result 3483 states and 4845 transitions. [2024-11-28 05:24:15,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:24:15,975 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-11-28 05:24:15,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:24:15,983 INFO L225 Difference]: With dead ends: 3483 [2024-11-28 05:24:15,983 INFO L226 Difference]: Without dead ends: 2080 [2024-11-28 05:24:15,986 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:24:15,987 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 67 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:24:15,987 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 678 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:24:15,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2080 states. [2024-11-28 05:24:16,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2080 to 1843. [2024-11-28 05:24:16,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1617 states have (on average 1.357452071737786) internal successors, (2195), 1619 states have internal predecessors, (2195), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 05:24:16,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2575 transitions. [2024-11-28 05:24:16,187 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2575 transitions. Word has length 224 [2024-11-28 05:24:16,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:24:16,188 INFO L471 AbstractCegarLoop]: Abstraction has 1843 states and 2575 transitions. [2024-11-28 05:24:16,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:24:16,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2575 transitions. [2024-11-28 05:24:16,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-28 05:24:16,190 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:16,190 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:16,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-28 05:24:16,190 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:24:16,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:16,195 INFO L85 PathProgramCache]: Analyzing trace with hash 891721197, now seen corresponding path program 1 times [2024-11-28 05:24:16,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:16,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102481266] [2024-11-28 05:24:16,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:16,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:35,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:24:35,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:35,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102481266] [2024-11-28 05:24:35,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102481266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:24:35,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:24:35,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 05:24:35,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380278640] [2024-11-28 05:24:35,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:24:35,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:24:35,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:35,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:24:35,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:24:35,360 INFO L87 Difference]: Start difference. First operand 1843 states and 2575 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:24:37,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:24:37,094 INFO L93 Difference]: Finished difference Result 3432 states and 4700 transitions. [2024-11-28 05:24:37,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 05:24:37,095 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-11-28 05:24:37,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:24:37,102 INFO L225 Difference]: With dead ends: 3432 [2024-11-28 05:24:37,102 INFO L226 Difference]: Without dead ends: 2791 [2024-11-28 05:24:37,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2024-11-28 05:24:37,105 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 631 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 1139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 05:24:37,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 844 Invalid, 1139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 05:24:37,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2791 states. [2024-11-28 05:24:37,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2791 to 1840. [2024-11-28 05:24:37,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1840 states, 1614 states have (on average 1.3568773234200744) internal successors, (2190), 1616 states have internal predecessors, (2190), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 05:24:37,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 2570 transitions. [2024-11-28 05:24:37,322 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 2570 transitions. Word has length 224 [2024-11-28 05:24:37,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:24:37,323 INFO L471 AbstractCegarLoop]: Abstraction has 1840 states and 2570 transitions. [2024-11-28 05:24:37,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:24:37,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2570 transitions. [2024-11-28 05:24:37,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-28 05:24:37,325 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:37,325 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:37,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-28 05:24:37,326 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:24:37,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:37,326 INFO L85 PathProgramCache]: Analyzing trace with hash -60450293, now seen corresponding path program 1 times [2024-11-28 05:24:37,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:37,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115218660] [2024-11-28 05:24:37,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:37,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:37,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:24:37,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:37,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115218660] [2024-11-28 05:24:37,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115218660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:24:37,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:24:37,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:24:37,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866114299] [2024-11-28 05:24:37,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:24:37,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:24:37,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:37,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:24:37,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:24:37,428 INFO L87 Difference]: Start difference. First operand 1840 states and 2570 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:24:37,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:24:37,759 INFO L93 Difference]: Finished difference Result 3942 states and 5429 transitions. [2024-11-28 05:24:37,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:24:37,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 225 [2024-11-28 05:24:37,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:24:37,768 INFO L225 Difference]: With dead ends: 3942 [2024-11-28 05:24:37,768 INFO L226 Difference]: Without dead ends: 2269 [2024-11-28 05:24:37,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:24:37,772 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 55 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:24:37,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 365 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:24:37,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2269 states. [2024-11-28 05:24:38,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2269 to 2256. [2024-11-28 05:24:38,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2256 states, 1980 states have (on average 1.312121212121212) internal successors, (2598), 1988 states have internal predecessors, (2598), 224 states have call successors, (224), 51 states have call predecessors, (224), 51 states have return successors, (224), 216 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-28 05:24:38,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 2256 states and 3046 transitions. [2024-11-28 05:24:38,044 INFO L78 Accepts]: Start accepts. Automaton has 2256 states and 3046 transitions. Word has length 225 [2024-11-28 05:24:38,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:24:38,045 INFO L471 AbstractCegarLoop]: Abstraction has 2256 states and 3046 transitions. [2024-11-28 05:24:38,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:24:38,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 3046 transitions. [2024-11-28 05:24:38,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-28 05:24:38,047 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:38,048 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:38,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-28 05:24:38,048 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:24:38,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:38,048 INFO L85 PathProgramCache]: Analyzing trace with hash -224360390, now seen corresponding path program 1 times [2024-11-28 05:24:38,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:38,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120253324] [2024-11-28 05:24:38,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:38,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:38,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:24:38,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:38,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120253324] [2024-11-28 05:24:38,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120253324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:24:38,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:24:38,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:24:38,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358304345] [2024-11-28 05:24:38,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:24:38,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:24:38,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:38,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:24:38,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:24:38,150 INFO L87 Difference]: Start difference. First operand 2256 states and 3046 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:24:38,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:24:38,490 INFO L93 Difference]: Finished difference Result 4089 states and 5518 transitions. [2024-11-28 05:24:38,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:24:38,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-11-28 05:24:38,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:24:38,499 INFO L225 Difference]: With dead ends: 4089 [2024-11-28 05:24:38,500 INFO L226 Difference]: Without dead ends: 2052 [2024-11-28 05:24:38,503 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:24:38,504 INFO L435 NwaCegarLoop]: 202 mSDtfsCounter, 43 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:24:38,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 362 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:24:38,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2052 states. [2024-11-28 05:24:38,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2052 to 1840. [2024-11-28 05:24:38,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1840 states, 1608 states have (on average 1.320273631840796) internal successors, (2123), 1610 states have internal predecessors, (2123), 190 states have call successors, (190), 41 states have call predecessors, (190), 41 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 05:24:38,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 2503 transitions. [2024-11-28 05:24:38,697 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 2503 transitions. Word has length 226 [2024-11-28 05:24:38,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:24:38,697 INFO L471 AbstractCegarLoop]: Abstraction has 1840 states and 2503 transitions. [2024-11-28 05:24:38,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:24:38,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2503 transitions. [2024-11-28 05:24:38,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-28 05:24:38,700 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:38,700 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:38,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-28 05:24:38,700 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:24:38,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:38,701 INFO L85 PathProgramCache]: Analyzing trace with hash 279534939, now seen corresponding path program 1 times [2024-11-28 05:24:38,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:38,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939828039] [2024-11-28 05:24:38,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:38,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:40,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:24:40,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:40,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939828039] [2024-11-28 05:24:40,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939828039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:24:40,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:24:40,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 05:24:40,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044747054] [2024-11-28 05:24:40,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:24:40,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 05:24:40,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:40,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 05:24:40,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:24:40,994 INFO L87 Difference]: Start difference. First operand 1840 states and 2503 transitions. Second operand has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:24:42,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:24:42,449 INFO L93 Difference]: Finished difference Result 2136 states and 2847 transitions. [2024-11-28 05:24:42,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 05:24:42,450 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-11-28 05:24:42,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:24:42,457 INFO L225 Difference]: With dead ends: 2136 [2024-11-28 05:24:42,457 INFO L226 Difference]: Without dead ends: 2134 [2024-11-28 05:24:42,458 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2024-11-28 05:24:42,459 INFO L435 NwaCegarLoop]: 244 mSDtfsCounter, 172 mSDsluCounter, 1731 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 1975 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:24:42,459 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 1975 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 981 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 05:24:42,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2024-11-28 05:24:42,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 1854. [2024-11-28 05:24:42,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1854 states, 1622 states have (on average 1.3193588162762022) internal successors, (2140), 1624 states have internal predecessors, (2140), 190 states have call successors, (190), 41 states have call predecessors, (190), 41 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 05:24:42,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1854 states to 1854 states and 2520 transitions. [2024-11-28 05:24:42,648 INFO L78 Accepts]: Start accepts. Automaton has 1854 states and 2520 transitions. Word has length 226 [2024-11-28 05:24:42,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:24:42,649 INFO L471 AbstractCegarLoop]: Abstraction has 1854 states and 2520 transitions. [2024-11-28 05:24:42,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:24:42,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 2520 transitions. [2024-11-28 05:24:42,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-28 05:24:42,650 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:42,651 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:42,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-28 05:24:42,651 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:24:42,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:42,651 INFO L85 PathProgramCache]: Analyzing trace with hash 853524059, now seen corresponding path program 1 times [2024-11-28 05:24:42,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:42,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088873683] [2024-11-28 05:24:42,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:42,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:46,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:24:46,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:46,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088873683] [2024-11-28 05:24:46,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088873683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:24:46,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:24:46,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-28 05:24:46,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539142318] [2024-11-28 05:24:46,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:24:46,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 05:24:46,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:46,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 05:24:46,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2024-11-28 05:24:46,500 INFO L87 Difference]: Start difference. First operand 1854 states and 2520 transitions. Second operand has 19 states, 19 states have (on average 3.1052631578947367) internal successors, (59), 19 states have internal predecessors, (59), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-28 05:24:50,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:24:50,224 INFO L93 Difference]: Finished difference Result 2618 states and 3528 transitions. [2024-11-28 05:24:50,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 05:24:50,224 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.1052631578947367) internal successors, (59), 19 states have internal predecessors, (59), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 226 [2024-11-28 05:24:50,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:24:50,231 INFO L225 Difference]: With dead ends: 2618 [2024-11-28 05:24:50,231 INFO L226 Difference]: Without dead ends: 1966 [2024-11-28 05:24:50,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=195, Invalid=861, Unknown=0, NotChecked=0, Total=1056 [2024-11-28 05:24:50,234 INFO L435 NwaCegarLoop]: 325 mSDtfsCounter, 395 mSDsluCounter, 1662 mSDsCounter, 0 mSdLazyCounter, 2520 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 1987 SdHoareTripleChecker+Invalid, 2625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 2520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:24:50,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 1987 Invalid, 2625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 2520 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-28 05:24:50,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1966 states. [2024-11-28 05:24:50,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1966 to 1724. [2024-11-28 05:24:50,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1724 states, 1478 states have (on average 1.2997293640054126) internal successors, (1921), 1481 states have internal predecessors, (1921), 200 states have call successors, (200), 45 states have call predecessors, (200), 45 states have return successors, (200), 197 states have call predecessors, (200), 200 states have call successors, (200) [2024-11-28 05:24:50,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1724 states and 2321 transitions. [2024-11-28 05:24:50,454 INFO L78 Accepts]: Start accepts. Automaton has 1724 states and 2321 transitions. Word has length 226 [2024-11-28 05:24:50,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:24:50,455 INFO L471 AbstractCegarLoop]: Abstraction has 1724 states and 2321 transitions. [2024-11-28 05:24:50,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.1052631578947367) internal successors, (59), 19 states have internal predecessors, (59), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-28 05:24:50,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2321 transitions. [2024-11-28 05:24:50,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-28 05:24:50,457 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:50,457 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:50,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-28 05:24:50,457 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:24:50,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:50,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1308812963, now seen corresponding path program 1 times [2024-11-28 05:24:50,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:50,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590794238] [2024-11-28 05:24:50,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:50,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:52,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:24:52,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:52,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590794238] [2024-11-28 05:24:52,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590794238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:24:52,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:24:52,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 05:24:52,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102538824] [2024-11-28 05:24:52,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:24:52,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 05:24:52,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:52,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 05:24:52,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:24:52,631 INFO L87 Difference]: Start difference. First operand 1724 states and 2321 transitions. Second operand has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:24:53,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:24:53,911 INFO L93 Difference]: Finished difference Result 2047 states and 2691 transitions. [2024-11-28 05:24:53,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 05:24:53,912 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-11-28 05:24:53,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:24:53,916 INFO L225 Difference]: With dead ends: 2047 [2024-11-28 05:24:53,916 INFO L226 Difference]: Without dead ends: 2045 [2024-11-28 05:24:53,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2024-11-28 05:24:53,917 INFO L435 NwaCegarLoop]: 202 mSDtfsCounter, 135 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:24:53,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1274 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 05:24:53,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2045 states. [2024-11-28 05:24:54,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2045 to 1736. [2024-11-28 05:24:54,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1736 states, 1490 states have (on average 1.297986577181208) internal successors, (1934), 1493 states have internal predecessors, (1934), 200 states have call successors, (200), 45 states have call predecessors, (200), 45 states have return successors, (200), 197 states have call predecessors, (200), 200 states have call successors, (200) [2024-11-28 05:24:54,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1736 states and 2334 transitions. [2024-11-28 05:24:54,089 INFO L78 Accepts]: Start accepts. Automaton has 1736 states and 2334 transitions. Word has length 226 [2024-11-28 05:24:54,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:24:54,089 INFO L471 AbstractCegarLoop]: Abstraction has 1736 states and 2334 transitions. [2024-11-28 05:24:54,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:24:54,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2334 transitions. [2024-11-28 05:24:54,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-28 05:24:54,091 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:54,091 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:54,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-28 05:24:54,092 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:24:54,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:54,092 INFO L85 PathProgramCache]: Analyzing trace with hash -734823843, now seen corresponding path program 1 times [2024-11-28 05:24:54,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:54,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400656407] [2024-11-28 05:24:54,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:54,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:57,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:24:57,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:57,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400656407] [2024-11-28 05:24:57,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400656407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:24:57,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:24:57,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 05:24:57,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112626255] [2024-11-28 05:24:57,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:24:57,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 05:24:57,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:57,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 05:24:57,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:24:57,038 INFO L87 Difference]: Start difference. First operand 1736 states and 2334 transitions. Second operand has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:24:59,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:24:59,199 INFO L93 Difference]: Finished difference Result 1967 states and 2605 transitions. [2024-11-28 05:24:59,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 05:24:59,200 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-11-28 05:24:59,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:24:59,204 INFO L225 Difference]: With dead ends: 1967 [2024-11-28 05:24:59,205 INFO L226 Difference]: Without dead ends: 1965 [2024-11-28 05:24:59,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2024-11-28 05:24:59,206 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 179 mSDsluCounter, 1344 mSDsCounter, 0 mSdLazyCounter, 1354 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:24:59,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 1585 Invalid, 1362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1354 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 05:24:59,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1965 states. [2024-11-28 05:24:59,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1965 to 1813. [2024-11-28 05:24:59,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1813 states, 1548 states have (on average 1.2894056847545219) internal successors, (1996), 1552 states have internal predecessors, (1996), 214 states have call successors, (214), 50 states have call predecessors, (214), 50 states have return successors, (214), 210 states have call predecessors, (214), 214 states have call successors, (214) [2024-11-28 05:24:59,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1813 states and 2424 transitions. [2024-11-28 05:24:59,458 INFO L78 Accepts]: Start accepts. Automaton has 1813 states and 2424 transitions. Word has length 226 [2024-11-28 05:24:59,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:24:59,458 INFO L471 AbstractCegarLoop]: Abstraction has 1813 states and 2424 transitions. [2024-11-28 05:24:59,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:24:59,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2424 transitions. [2024-11-28 05:24:59,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-28 05:24:59,461 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:59,461 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:59,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-28 05:24:59,461 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:24:59,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:59,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1191645723, now seen corresponding path program 1 times [2024-11-28 05:24:59,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:59,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427990208] [2024-11-28 05:24:59,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:59,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:02,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:25:02,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:25:02,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427990208] [2024-11-28 05:25:02,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427990208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:25:02,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:25:02,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-28 05:25:02,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881934528] [2024-11-28 05:25:02,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:25:02,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 05:25:02,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:25:02,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 05:25:02,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-28 05:25:02,769 INFO L87 Difference]: Start difference. First operand 1813 states and 2424 transitions. Second operand has 18 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 18 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:25:06,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:25:06,272 INFO L93 Difference]: Finished difference Result 2393 states and 3092 transitions. [2024-11-28 05:25:06,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 05:25:06,273 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 18 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-11-28 05:25:06,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:25:06,277 INFO L225 Difference]: With dead ends: 2393 [2024-11-28 05:25:06,277 INFO L226 Difference]: Without dead ends: 2391 [2024-11-28 05:25:06,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=177, Invalid=693, Unknown=0, NotChecked=0, Total=870 [2024-11-28 05:25:06,279 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 413 mSDsluCounter, 1594 mSDsCounter, 0 mSdLazyCounter, 1454 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 1747 SdHoareTripleChecker+Invalid, 1475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:25:06,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 1747 Invalid, 1475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1454 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 05:25:06,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2391 states. [2024-11-28 05:25:06,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2391 to 1842. [2024-11-28 05:25:06,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1842 states, 1577 states have (on average 1.2872542802790108) internal successors, (2030), 1581 states have internal predecessors, (2030), 214 states have call successors, (214), 50 states have call predecessors, (214), 50 states have return successors, (214), 210 states have call predecessors, (214), 214 states have call successors, (214) [2024-11-28 05:25:06,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 2458 transitions. [2024-11-28 05:25:06,425 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 2458 transitions. Word has length 226 [2024-11-28 05:25:06,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:25:06,425 INFO L471 AbstractCegarLoop]: Abstraction has 1842 states and 2458 transitions. [2024-11-28 05:25:06,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 18 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:25:06,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2458 transitions. [2024-11-28 05:25:06,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-28 05:25:06,427 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:06,428 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:06,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-28 05:25:06,428 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:06,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:06,428 INFO L85 PathProgramCache]: Analyzing trace with hash -396702179, now seen corresponding path program 1 times [2024-11-28 05:25:06,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:25:06,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775424611] [2024-11-28 05:25:06,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:06,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:25:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:09,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:25:09,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:25:09,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775424611] [2024-11-28 05:25:09,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775424611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:25:09,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:25:09,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-28 05:25:09,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369430583] [2024-11-28 05:25:09,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:25:09,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 05:25:09,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:25:09,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 05:25:09,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-11-28 05:25:09,934 INFO L87 Difference]: Start difference. First operand 1842 states and 2458 transitions. Second operand has 18 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 18 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:25:14,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:25:14,012 INFO L93 Difference]: Finished difference Result 2517 states and 3226 transitions. [2024-11-28 05:25:14,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 05:25:14,012 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 18 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-11-28 05:25:14,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:25:14,017 INFO L225 Difference]: With dead ends: 2517 [2024-11-28 05:25:14,017 INFO L226 Difference]: Without dead ends: 2515 [2024-11-28 05:25:14,018 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=202, Invalid=790, Unknown=0, NotChecked=0, Total=992 [2024-11-28 05:25:14,019 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 439 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 1456 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 1618 SdHoareTripleChecker+Invalid, 1482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:25:14,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 1618 Invalid, 1482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1456 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 05:25:14,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2024-11-28 05:25:14,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 1856. [2024-11-28 05:25:14,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1856 states, 1591 states have (on average 1.2872407291011942) internal successors, (2048), 1595 states have internal predecessors, (2048), 214 states have call successors, (214), 50 states have call predecessors, (214), 50 states have return successors, (214), 210 states have call predecessors, (214), 214 states have call successors, (214) [2024-11-28 05:25:14,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1856 states and 2476 transitions. [2024-11-28 05:25:14,209 INFO L78 Accepts]: Start accepts. Automaton has 1856 states and 2476 transitions. Word has length 226 [2024-11-28 05:25:14,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:25:14,209 INFO L471 AbstractCegarLoop]: Abstraction has 1856 states and 2476 transitions. [2024-11-28 05:25:14,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 18 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:25:14,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2476 transitions. [2024-11-28 05:25:14,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-28 05:25:14,211 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:14,211 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:14,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-28 05:25:14,211 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:14,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:14,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1394233947, now seen corresponding path program 1 times [2024-11-28 05:25:14,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:25:14,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976958896] [2024-11-28 05:25:14,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:14,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:25:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:16,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:25:16,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:25:16,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976958896] [2024-11-28 05:25:16,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976958896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:25:16,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:25:16,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-28 05:25:16,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646838786] [2024-11-28 05:25:16,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:25:16,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:25:16,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:25:16,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:25:16,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:25:16,810 INFO L87 Difference]: Start difference. First operand 1856 states and 2476 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:25:18,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:25:18,772 INFO L93 Difference]: Finished difference Result 2080 states and 2731 transitions. [2024-11-28 05:25:18,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 05:25:18,773 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-11-28 05:25:18,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:25:18,777 INFO L225 Difference]: With dead ends: 2080 [2024-11-28 05:25:18,777 INFO L226 Difference]: Without dead ends: 2078 [2024-11-28 05:25:18,778 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2024-11-28 05:25:18,778 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 82 mSDsluCounter, 1524 mSDsCounter, 0 mSdLazyCounter, 1102 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:25:18,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 1743 Invalid, 1119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1102 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 05:25:18,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2024-11-28 05:25:18,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 1864. [2024-11-28 05:25:18,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1864 states, 1599 states have (on average 1.2895559724828018) internal successors, (2062), 1603 states have internal predecessors, (2062), 214 states have call successors, (214), 50 states have call predecessors, (214), 50 states have return successors, (214), 210 states have call predecessors, (214), 214 states have call successors, (214) [2024-11-28 05:25:18,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 1864 states and 2490 transitions. [2024-11-28 05:25:18,957 INFO L78 Accepts]: Start accepts. Automaton has 1864 states and 2490 transitions. Word has length 226 [2024-11-28 05:25:18,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:25:18,957 INFO L471 AbstractCegarLoop]: Abstraction has 1864 states and 2490 transitions. [2024-11-28 05:25:18,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:25:18,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 2490 transitions. [2024-11-28 05:25:18,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-28 05:25:18,958 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:18,958 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:18,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-28 05:25:18,959 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:18,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:18,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1968223067, now seen corresponding path program 1 times [2024-11-28 05:25:18,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:25:18,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089390380] [2024-11-28 05:25:18,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:18,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:25:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:20,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:25:20,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:25:20,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089390380] [2024-11-28 05:25:20,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089390380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:25:20,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:25:20,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 05:25:20,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568177045] [2024-11-28 05:25:20,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:25:20,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 05:25:20,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:25:20,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 05:25:20,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:25:20,965 INFO L87 Difference]: Start difference. First operand 1864 states and 2490 transitions. Second operand has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:25:23,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:25:23,166 INFO L93 Difference]: Finished difference Result 2079 states and 2733 transitions. [2024-11-28 05:25:23,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 05:25:23,167 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-11-28 05:25:23,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:25:23,172 INFO L225 Difference]: With dead ends: 2079 [2024-11-28 05:25:23,172 INFO L226 Difference]: Without dead ends: 2077 [2024-11-28 05:25:23,174 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2024-11-28 05:25:23,174 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 177 mSDsluCounter, 1676 mSDsCounter, 0 mSdLazyCounter, 1459 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 1863 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:25:23,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 1863 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1459 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 05:25:23,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2077 states. [2024-11-28 05:25:23,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2077 to 1835. [2024-11-28 05:25:23,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1835 states, 1570 states have (on average 1.286624203821656) internal successors, (2020), 1574 states have internal predecessors, (2020), 214 states have call successors, (214), 50 states have call predecessors, (214), 50 states have return successors, (214), 210 states have call predecessors, (214), 214 states have call successors, (214) [2024-11-28 05:25:23,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2448 transitions. [2024-11-28 05:25:23,353 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2448 transitions. Word has length 226 [2024-11-28 05:25:23,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:25:23,354 INFO L471 AbstractCegarLoop]: Abstraction has 1835 states and 2448 transitions. [2024-11-28 05:25:23,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:25:23,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2448 transitions. [2024-11-28 05:25:23,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-28 05:25:23,355 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:23,355 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:23,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-28 05:25:23,356 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:23,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:23,356 INFO L85 PathProgramCache]: Analyzing trace with hash -194113955, now seen corresponding path program 1 times [2024-11-28 05:25:23,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:25:23,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785063762] [2024-11-28 05:25:23,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:23,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:25:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:26,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:25:26,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:25:26,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785063762] [2024-11-28 05:25:26,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785063762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:25:26,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:25:26,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-28 05:25:26,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82902586] [2024-11-28 05:25:26,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:25:26,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 05:25:26,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:25:26,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 05:25:26,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-28 05:25:26,611 INFO L87 Difference]: Start difference. First operand 1835 states and 2448 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:25:28,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:25:28,867 INFO L93 Difference]: Finished difference Result 2033 states and 2663 transitions. [2024-11-28 05:25:28,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 05:25:28,868 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-11-28 05:25:28,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:25:28,872 INFO L225 Difference]: With dead ends: 2033 [2024-11-28 05:25:28,872 INFO L226 Difference]: Without dead ends: 2031 [2024-11-28 05:25:28,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2024-11-28 05:25:28,873 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 51 mSDsluCounter, 1561 mSDsCounter, 0 mSdLazyCounter, 1119 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 1765 SdHoareTripleChecker+Invalid, 1132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:25:28,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 1765 Invalid, 1132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1119 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 05:25:28,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2031 states. [2024-11-28 05:25:29,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2031 to 1823. [2024-11-28 05:25:29,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1823 states, 1558 states have (on average 1.2862644415917843) internal successors, (2004), 1562 states have internal predecessors, (2004), 214 states have call successors, (214), 50 states have call predecessors, (214), 50 states have return successors, (214), 210 states have call predecessors, (214), 214 states have call successors, (214) [2024-11-28 05:25:29,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 2432 transitions. [2024-11-28 05:25:29,025 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 2432 transitions. Word has length 226 [2024-11-28 05:25:29,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:25:29,025 INFO L471 AbstractCegarLoop]: Abstraction has 1823 states and 2432 transitions. [2024-11-28 05:25:29,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:25:29,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2432 transitions. [2024-11-28 05:25:29,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-28 05:25:29,026 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:29,027 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:29,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-28 05:25:29,027 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:29,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:29,027 INFO L85 PathProgramCache]: Analyzing trace with hash 379875165, now seen corresponding path program 1 times [2024-11-28 05:25:29,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:25:29,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269429244] [2024-11-28 05:25:29,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:29,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:25:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:33,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:25:33,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:25:33,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269429244] [2024-11-28 05:25:33,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269429244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:25:33,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:25:33,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 05:25:33,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112955333] [2024-11-28 05:25:33,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:25:33,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 05:25:33,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:25:33,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 05:25:33,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:25:33,291 INFO L87 Difference]: Start difference. First operand 1823 states and 2432 transitions. Second operand has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:25:35,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:25:35,558 INFO L93 Difference]: Finished difference Result 2116 states and 2767 transitions. [2024-11-28 05:25:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 05:25:35,559 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-11-28 05:25:35,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:25:35,562 INFO L225 Difference]: With dead ends: 2116 [2024-11-28 05:25:35,562 INFO L226 Difference]: Without dead ends: 2114 [2024-11-28 05:25:35,563 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2024-11-28 05:25:35,564 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 179 mSDsluCounter, 1530 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 1719 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 05:25:35,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 1719 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1448 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 05:25:35,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2114 states. [2024-11-28 05:25:35,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2114 to 1795. [2024-11-28 05:25:35,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1795 states, 1530 states have (on average 1.2908496732026145) internal successors, (1975), 1534 states have internal predecessors, (1975), 214 states have call successors, (214), 50 states have call predecessors, (214), 50 states have return successors, (214), 210 states have call predecessors, (214), 214 states have call successors, (214) [2024-11-28 05:25:35,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1795 states and 2403 transitions. [2024-11-28 05:25:35,726 INFO L78 Accepts]: Start accepts. Automaton has 1795 states and 2403 transitions. Word has length 226 [2024-11-28 05:25:35,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:25:35,726 INFO L471 AbstractCegarLoop]: Abstraction has 1795 states and 2403 transitions. [2024-11-28 05:25:35,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:25:35,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 2403 transitions. [2024-11-28 05:25:35,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-28 05:25:35,728 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:35,728 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:35,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-28 05:25:35,728 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:35,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:35,728 INFO L85 PathProgramCache]: Analyzing trace with hash -787884692, now seen corresponding path program 1 times [2024-11-28 05:25:35,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:25:35,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112148632] [2024-11-28 05:25:35,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:35,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:25:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 05:25:35,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1028450543] [2024-11-28 05:25:35,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:35,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:25:35,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:25:35,914 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:25:35,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:25:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:25:36,275 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:25:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:25:36,549 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 05:25:36,549 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 05:25:36,550 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:25:36,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 05:25:36,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:25:36,754 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:36,929 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:25:36,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:25:36 BoogieIcfgContainer [2024-11-28 05:25:36,935 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:25:36,935 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:25:36,936 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:25:36,936 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:25:36,937 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:15:24" (3/4) ... [2024-11-28 05:25:36,939 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 05:25:36,940 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:25:36,941 INFO L158 Benchmark]: Toolchain (without parser) took 613676.22ms. Allocated memory was 117.4MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 92.3MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 399.1MB. Max. memory is 16.1GB. [2024-11-28 05:25:36,941 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:25:36,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.83ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 75.8MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:25:36,942 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.62ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 70.2MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:25:36,942 INFO L158 Benchmark]: Boogie Preprocessor took 115.94ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 62.6MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:25:36,942 INFO L158 Benchmark]: RCFGBuilder took 1124.52ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 79.4MB in the end (delta: -17.1MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2024-11-28 05:25:36,942 INFO L158 Benchmark]: TraceAbstraction took 611944.06ms. Allocated memory was 117.4MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 78.8MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 392.9MB. Max. memory is 16.1GB. [2024-11-28 05:25:36,942 INFO L158 Benchmark]: Witness Printer took 4.92ms. Allocated memory is still 1.6GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:25:36,944 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.83ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 75.8MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.62ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 70.2MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.94ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 62.6MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1124.52ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 79.4MB in the end (delta: -17.1MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * TraceAbstraction took 611944.06ms. Allocated memory was 117.4MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 78.8MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 392.9MB. Max. memory is 16.1GB. * Witness Printer took 4.92ms. Allocated memory is still 1.6GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 4.2MB). 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 shiftLeft at line 197, overapproximation of shiftLeft at line 106, overapproximation of shiftLeft at line 197, overapproximation of someBinaryFLOATComparisonOperation at line 168, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 166, overapproximation of someBinaryFLOATComparisonOperation at line 170, overapproximation of someBinaryFLOATComparisonOperation at line 172, overapproximation of someUnaryDOUBLEoperation at line 72, overapproximation of someUnaryDOUBLEoperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 181, overapproximation of someBinaryDOUBLEComparisonOperation at line 182, overapproximation of someBinaryDOUBLEComparisonOperation at line 174, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 179, overapproximation of someBinaryDOUBLEComparisonOperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] unsigned short int var_1_4 = 58792; [L24] unsigned short int var_1_5 = 8; [L25] unsigned short int var_1_6 = 64; [L26] unsigned short int var_1_7 = 16; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 1; [L29] signed short int var_1_10 = 1000; [L30] signed short int var_1_11 = 1; [L31] signed short int var_1_12 = -25; [L32] signed short int var_1_13 = 25; [L33] unsigned short int var_1_14 = 5; [L34] unsigned short int var_1_16 = 20511; [L35] unsigned long int var_1_17 = 50; [L36] unsigned short int var_1_18 = 10; [L37] unsigned short int var_1_19 = 2; [L38] float var_1_20 = 100000.5; [L39] float var_1_21 = 31.9; [L40] float var_1_22 = -0.6; [L41] float var_1_24 = 24.5; [L42] double var_1_25 = 10000000000.5; [L43] double var_1_28 = 64.25; [L44] signed char var_1_29 = -10; [L45] signed char var_1_30 = -4; [L46] unsigned long int var_1_31 = 4; [L47] signed char var_1_32 = 100; [L48] double var_1_33 = 199.5; [L49] double var_1_34 = 7.6; [L50] signed char var_1_35 = 64; [L51] signed char var_1_36 = 10; [L52] signed char var_1_37 = 16; [L53] unsigned short int var_1_38 = 64; [L54] unsigned char last_1_var_1_8 = 0; VAL [isInitial=0, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L201] isInitial = 1 [L202] FCALL initially() [L204] CALL updateLastVariables() [L194] last_1_var_1_8 = var_1_8 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L204] RET updateLastVariables() [L205] CALL updateVariables() [L138] var_1_4 = __VERIFIER_nondet_ushort() [L139] CALL assume_abort_if_not(var_1_4 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L139] RET assume_abort_if_not(var_1_4 >= 49150) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L140] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L140] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L141] var_1_5 = __VERIFIER_nondet_ushort() [L142] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L142] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L143] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L143] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L144] var_1_6 = __VERIFIER_nondet_ushort() [L145] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_7=16, var_1_8=0, var_1_9=1] [L145] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_7=16, var_1_8=0, var_1_9=1] [L146] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=16, var_1_8=0, var_1_9=1] [L146] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=16, var_1_8=0, var_1_9=1] [L147] var_1_7 = __VERIFIER_nondet_ushort() [L148] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_8=0, var_1_9=1] [L148] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_8=0, var_1_9=1] [L149] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L149] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L150] var_1_9 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L151] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L152] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L152] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L153] var_1_11 = __VERIFIER_nondet_short() [L154] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L154] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L155] CALL assume_abort_if_not(var_1_11 <= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L155] RET assume_abort_if_not(var_1_11 <= 8191) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L156] var_1_12 = __VERIFIER_nondet_short() [L157] CALL assume_abort_if_not(var_1_12 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L157] RET assume_abort_if_not(var_1_12 >= -16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L158] CALL assume_abort_if_not(var_1_12 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L158] RET assume_abort_if_not(var_1_12 <= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L159] var_1_13 = __VERIFIER_nondet_short() [L160] CALL assume_abort_if_not(var_1_13 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L160] RET assume_abort_if_not(var_1_13 >= -32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L161] CALL assume_abort_if_not(var_1_13 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L161] RET assume_abort_if_not(var_1_13 <= 32766) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L162] var_1_16 = __VERIFIER_nondet_ushort() [L163] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L163] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L164] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L164] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L165] var_1_20 = __VERIFIER_nondet_float() [L166] CALL assume_abort_if_not((var_1_20 >= -922337.2036854776000e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L166] RET assume_abort_if_not((var_1_20 >= -922337.2036854776000e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L167] var_1_21 = __VERIFIER_nondet_float() [L168] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L168] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L169] var_1_22 = __VERIFIER_nondet_float() [L170] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L170] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L171] var_1_24 = __VERIFIER_nondet_float() [L172] CALL assume_abort_if_not((var_1_24 >= -922337.2036854776000e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854776000e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L172] RET assume_abort_if_not((var_1_24 >= -922337.2036854776000e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854776000e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L173] var_1_28 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_28 >= -922337.2036854765600e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L174] RET assume_abort_if_not((var_1_28 >= -922337.2036854765600e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L175] var_1_30 = __VERIFIER_nondet_char() [L176] CALL assume_abort_if_not(var_1_30 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L176] RET assume_abort_if_not(var_1_30 >= -127) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L177] CALL assume_abort_if_not(var_1_30 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L177] RET assume_abort_if_not(var_1_30 <= 126) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L178] var_1_33 = __VERIFIER_nondet_double() [L179] CALL assume_abort_if_not((var_1_33 >= -922337.2036854776000e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854776000e+12F && var_1_33 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L179] RET assume_abort_if_not((var_1_33 >= -922337.2036854776000e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854776000e+12F && var_1_33 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L180] var_1_34 = __VERIFIER_nondet_double() [L181] CALL assume_abort_if_not((var_1_34 >= -922337.2036854776000e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L181] RET assume_abort_if_not((var_1_34 >= -922337.2036854776000e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L182] CALL assume_abort_if_not(var_1_34 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L182] RET assume_abort_if_not(var_1_34 != 0.0F) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L183] var_1_35 = __VERIFIER_nondet_char() [L184] CALL assume_abort_if_not(var_1_35 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L184] RET assume_abort_if_not(var_1_35 >= -1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L185] CALL assume_abort_if_not(var_1_35 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L185] RET assume_abort_if_not(var_1_35 <= 126) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L186] var_1_36 = __VERIFIER_nondet_char() [L187] CALL assume_abort_if_not(var_1_36 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L187] RET assume_abort_if_not(var_1_36 >= -1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L188] CALL assume_abort_if_not(var_1_36 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L188] RET assume_abort_if_not(var_1_36 <= 126) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L189] var_1_37 = __VERIFIER_nondet_char() [L190] CALL assume_abort_if_not(var_1_37 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L190] RET assume_abort_if_not(var_1_37 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L191] CALL assume_abort_if_not(var_1_37 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L191] RET assume_abort_if_not(var_1_37 <= 126) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L205] RET updateVariables() [L206] CALL step() [L58] unsigned short int stepLocal_1 = var_1_6; [L59] unsigned char stepLocal_0 = last_1_var_1_8; VAL [isInitial=1, last_1_var_1_8=0, stepLocal_0=0, stepLocal_1=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L60] COND FALSE !(last_1_var_1_8 && stepLocal_0) VAL [isInitial=1, last_1_var_1_8=0, stepLocal_1=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L63] COND FALSE !(((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < stepLocal_1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L67] COND TRUE var_1_33 <= (var_1_25 / var_1_34) [L68] var_1_32 = (((((var_1_35) < (var_1_36)) ? (var_1_35) : (var_1_36))) - var_1_37) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L70] var_1_8 = (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L71] COND TRUE var_1_8 && (! (! var_1_9)) [L72] var_1_25 = ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L74] COND TRUE (var_1_25 <= var_1_22) && var_1_8 [L75] var_1_29 = ((((var_1_30) > (-100)) ? (var_1_30) : (-100))) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=4, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L77] COND TRUE \read(var_1_8) [L78] var_1_14 = (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=4, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L80] COND FALSE !(var_1_20 <= var_1_21) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=4, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L93] COND FALSE !(var_1_1 >= ((~ 128u) % ((((var_1_4) < (var_1_16)) ? (var_1_4) : (var_1_16))))) [L104] var_1_38 = var_1_5 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=4, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L106] EXPR var_1_16 << var_1_7 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=4, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L106] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=4, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L106] signed long int stepLocal_4 = (((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7))); [L107] COND TRUE stepLocal_4 >= var_1_14 [L108] var_1_17 = var_1_11 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=4, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L112] var_1_31 = var_1_11 [L113] unsigned short int stepLocal_5 = var_1_5; VAL [isInitial=1, last_1_var_1_8=0, stepLocal_5=8190, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L114] COND FALSE !(stepLocal_5 == var_1_16) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L121] COND TRUE \read(var_1_9) [L122] var_1_18 = 200 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=200, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L125] unsigned char stepLocal_3 = var_1_9; [L126] unsigned long int stepLocal_2 = var_1_17; VAL [isInitial=1, last_1_var_1_8=0, stepLocal_2=8191, stepLocal_3=1, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=200, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L127] COND FALSE !(stepLocal_2 < var_1_6) [L134] var_1_10 = var_1_13 VAL [isInitial=1, last_1_var_1_8=0, stepLocal_3=1, var_1_10=32766, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=200, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L206] RET step() [L207] CALL, EXPR property() [L197] EXPR (((((last_1_var_1_8 && last_1_var_1_8) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_17 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_8 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5)))) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=32766, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=200, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L197] EXPR var_1_16 << var_1_7 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=32766, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=200, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L197] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=32766, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=200, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L197] EXPR var_1_16 << var_1_7 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=32766, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=200, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L197] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=32766, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=200, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L197] EXPR (((((last_1_var_1_8 && last_1_var_1_8) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_17 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_8 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5)))) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=32766, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=200, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L197-L198] return ((((((last_1_var_1_8 && last_1_var_1_8) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_17 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_8 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5))))) && ((var_1_5 == var_1_16) ? (var_1_8 ? (var_1_18 == ((unsigned short int) (((((var_1_16 + 30393) - var_1_5) < 0 ) ? -((var_1_16 + 30393) - var_1_5) : ((var_1_16 + 30393) - var_1_5))))) : (var_1_18 == ((unsigned short int) var_1_4))) : (var_1_9 ? (var_1_18 == ((unsigned short int) 200)) : 1)) ; [L207] RET, EXPR property() [L207] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=32766, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=200, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_8=0, var_1_10=32766, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=200, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 126 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 611.7s, OverallIterations: 51, TraceHistogramMax: 34, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 119.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21095 SdHoareTripleChecker+Valid, 78.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21095 mSDsluCounter, 57824 SdHoareTripleChecker+Invalid, 69.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 48283 mSDsCounter, 3922 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 55964 IncrementalHoareTripleChecker+Invalid, 59886 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3922 mSolverCounterUnsat, 9541 mSDtfsCounter, 55964 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1473 GetRequests, 548 SyntacticMatches, 15 SemanticMatches, 910 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3009 ImplicationChecksByTransitivity, 61.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2256occurred in iteration=39, InterpolantAutomatonStates: 660, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.3s AutomataMinimizationTime, 50 MinimizatonAttempts, 14546 StatesRemovedByMinimization, 49 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 4.2s SatisfiabilityAnalysisTime, 478.9s InterpolantComputationTime, 11769 NumberOfCodeBlocks, 11769 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 11264 ConstructedInterpolants, 0 QuantifiedInterpolants, 86971 SizeOfPredicates, 0 NumberOfNonLiveVariables, 494 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 51 InterpolantComputations, 50 PerfectInterpolantSequences, 114378/114444 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 05:25:37,164 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-28 05:25:37,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/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_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/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_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/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_6e463538-05a6-404e-af76-444cc70cc603/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 69eea854146ed6719c2a02b1e3c48ec2ec3340ce1e8957b9754599908f0bff1b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:25:39,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:25:39,963 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 05:25:39,970 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:25:39,970 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:25:39,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:25:39,999 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:25:39,999 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:25:40,000 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:25:40,000 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:25:40,000 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:25:40,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:25:40,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:25:40,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:25:40,001 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:25:40,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:25:40,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:25:40,002 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:25:40,002 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:25:40,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:25:40,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:25:40,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:25:40,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:25:40,003 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 05:25:40,003 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 05:25:40,003 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 05:25:40,003 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:25:40,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:25:40,004 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:25:40,004 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:25:40,004 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:25:40,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:25:40,004 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:25:40,004 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:25:40,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:25:40,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:25:40,005 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:25:40,005 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:25:40,005 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:25:40,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:25:40,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:25:40,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:25:40,006 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:25:40,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:25:40,006 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 05:25:40,006 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 05:25:40,006 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:25:40,006 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:25:40,006 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:25:40,006 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:25:40,006 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_6e463538-05a6-404e-af76-444cc70cc603/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 -> 69eea854146ed6719c2a02b1e3c48ec2ec3340ce1e8957b9754599908f0bff1b [2024-11-28 05:25:40,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:25:40,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:25:40,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:25:40,370 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:25:40,370 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:25:40,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i [2024-11-28 05:25:43,415 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/data/b3db6aaca/84ad5e6d142c455d91637851834076c8/FLAGdc300a57e [2024-11-28 05:25:43,738 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:25:43,740 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i [2024-11-28 05:25:43,756 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/data/b3db6aaca/84ad5e6d142c455d91637851834076c8/FLAGdc300a57e [2024-11-28 05:25:43,778 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/data/b3db6aaca/84ad5e6d142c455d91637851834076c8 [2024-11-28 05:25:43,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:25:43,782 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:25:43,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:25:43,784 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:25:43,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:25:43,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:43" (1/1) ... [2024-11-28 05:25:43,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9d1cea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:43, skipping insertion in model container [2024-11-28 05:25:43,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:43" (1/1) ... [2024-11-28 05:25:43,822 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:25:44,018 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_6e463538-05a6-404e-af76-444cc70cc603/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i[919,932] [2024-11-28 05:25:44,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:25:44,164 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:25:44,176 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_6e463538-05a6-404e-af76-444cc70cc603/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i[919,932] [2024-11-28 05:25:44,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:25:44,242 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:25:44,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44 WrapperNode [2024-11-28 05:25:44,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:25:44,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:25:44,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:25:44,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:25:44,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,319 INFO L138 Inliner]: procedures = 27, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2024-11-28 05:25:44,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:25:44,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:25:44,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:25:44,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:25:44,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,355 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,372 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 05:25:44,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,395 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,396 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,405 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,410 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,415 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:25:44,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:25:44,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:25:44,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:25:44,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (1/1) ... [2024-11-28 05:25:44,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:25:44,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:25:44,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:25:44,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:25:44,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:25:44,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 05:25:44,508 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 05:25:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 05:25:44,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:25:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:25:44,617 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:25:44,620 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:25:50,315 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-28 05:25:50,315 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:25:50,327 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:25:50,327 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 05:25:50,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:50 BoogieIcfgContainer [2024-11-28 05:25:50,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:25:50,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:25:50,330 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:25:50,335 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:25:50,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:25:43" (1/3) ... [2024-11-28 05:25:50,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ca939fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:50, skipping insertion in model container [2024-11-28 05:25:50,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:44" (2/3) ... [2024-11-28 05:25:50,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ca939fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:50, skipping insertion in model container [2024-11-28 05:25:50,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:50" (3/3) ... [2024-11-28 05:25:50,338 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i [2024-11-28 05:25:50,352 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:25:50,353 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i that has 2 procedures, 96 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 05:25:50,409 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:25:50,421 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;@3550b397, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:25:50,421 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:25:50,426 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 60 states have internal predecessors, (83), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 05:25:50,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-28 05:25:50,441 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:50,442 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:50,442 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:50,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:50,446 INFO L85 PathProgramCache]: Analyzing trace with hash -821453760, now seen corresponding path program 1 times [2024-11-28 05:25:50,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:25:50,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1192225506] [2024-11-28 05:25:50,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:50,457 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 05:25:50,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:25:50,461 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/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 05:25:50,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/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 05:25:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:51,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 05:25:51,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:25:51,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 794 proven. 0 refuted. 0 times theorem prover too weak. 1450 trivial. 0 not checked. [2024-11-28 05:25:51,701 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:25:51,702 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:25:51,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1192225506] [2024-11-28 05:25:51,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1192225506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:25:51,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:25:51,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:25:51,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338002062] [2024-11-28 05:25:51,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:25:51,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:25:51,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:25:51,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:25:51,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:25:51,737 INFO L87 Difference]: Start difference. First operand has 96 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 60 states have internal predecessors, (83), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:25:51,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:25:51,787 INFO L93 Difference]: Finished difference Result 185 states and 330 transitions. [2024-11-28 05:25:51,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:25:51,791 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 214 [2024-11-28 05:25:51,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:25:51,799 INFO L225 Difference]: With dead ends: 185 [2024-11-28 05:25:51,801 INFO L226 Difference]: Without dead ends: 92 [2024-11-28 05:25:51,805 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 213 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 05:25:51,811 INFO L435 NwaCegarLoop]: 144 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, 144 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 05:25:51,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:25:51,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-28 05:25:51,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-28 05:25:51,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 56 states have internal predecessors, (76), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 05:25:51,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 144 transitions. [2024-11-28 05:25:51,886 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 144 transitions. Word has length 214 [2024-11-28 05:25:51,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:25:51,888 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 144 transitions. [2024-11-28 05:25:51,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 05:25:51,888 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 144 transitions. [2024-11-28 05:25:51,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-28 05:25:51,896 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:51,896 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:51,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/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 05:25:52,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/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 05:25:52,102 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:52,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:52,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1684309384, now seen corresponding path program 1 times [2024-11-28 05:25:52,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:25:52,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [781413829] [2024-11-28 05:25:52,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:52,106 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 05:25:52,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:25:52,109 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/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 05:25:52,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/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 05:25:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:53,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:25:53,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:25:56,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 05:25:56,394 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:25:56,394 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:25:56,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [781413829] [2024-11-28 05:25:56,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [781413829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:25:56,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:25:56,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:25:56,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490786735] [2024-11-28 05:25:56,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:25:56,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:25:56,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:25:56,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:25:56,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:25:56,399 INFO L87 Difference]: Start difference. First operand 92 states and 144 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:25:57,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:25:57,461 INFO L93 Difference]: Finished difference Result 314 states and 494 transitions. [2024-11-28 05:25:57,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:25:57,463 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 214 [2024-11-28 05:25:57,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:25:57,471 INFO L225 Difference]: With dead ends: 314 [2024-11-28 05:25:57,471 INFO L226 Difference]: Without dead ends: 225 [2024-11-28 05:25:57,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:25:57,477 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 143 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 05:25:57,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 625 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 05:25:57,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-28 05:25:57,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 172. [2024-11-28 05:25:57,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 101 states have (on average 1.306930693069307) internal successors, (132), 101 states have internal predecessors, (132), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-28 05:25:57,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 268 transitions. [2024-11-28 05:25:57,547 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 268 transitions. Word has length 214 [2024-11-28 05:25:57,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:25:57,549 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 268 transitions. [2024-11-28 05:25:57,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 05:25:57,551 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 268 transitions. [2024-11-28 05:25:57,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-28 05:25:57,558 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:25:57,558 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:57,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/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 05:25:57,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/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 05:25:57,759 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:25:57,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:25:57,759 INFO L85 PathProgramCache]: Analyzing trace with hash 100021868, now seen corresponding path program 1 times [2024-11-28 05:25:57,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:25:57,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1752883163] [2024-11-28 05:25:57,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:25:57,760 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 05:25:57,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:25:57,763 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/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 05:25:57,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e463538-05a6-404e-af76-444cc70cc603/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 05:25:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:25:59,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-28 05:25:59,169 INFO L279 TraceCheckSpWp]: Computing forward predicates...