./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-3.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_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1 --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 b5f13d1ca047dbcfba4c64156e69d4d1e7e5e0ff8273386d7bb193153d05b386 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:20:20,555 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:20:20,613 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 07:20:20,618 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:20:20,618 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:20:20,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:20:20,640 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:20:20,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:20:20,640 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:20:20,640 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:20:20,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:20:20,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:20:20,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:20:20,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:20:20,641 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:20:20,641 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:20:20,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:20:20,641 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 07:20:20,641 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 07:20:20,641 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 07:20:20,642 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:20:20,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:20:20,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:20:20,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:20:20,642 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 07:20:20,642 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:20:20,642 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:20:20,642 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:20:20,642 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:20:20,642 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:20:20,642 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:20:20,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:20:20,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:20:20,643 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:20:20,643 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:20:20,643 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:20:20,643 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:20:20,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:20:20,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:20:20,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:20:20,643 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:20:20,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:20:20,644 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 07:20:20,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 07:20:20,644 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:20:20,644 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:20:20,644 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:20:20,644 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:20:20,644 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_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1 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 -> b5f13d1ca047dbcfba4c64156e69d4d1e7e5e0ff8273386d7bb193153d05b386 [2024-12-02 07:20:20,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:20:20,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:20:20,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:20:20,878 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:20:20,879 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:20:20,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-3.i [2024-12-02 07:20:23,510 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/data/4c2542d4a/4649775332bb4509a57b28bde4d05f99/FLAG70bfd83d0 [2024-12-02 07:20:23,762 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:20:23,764 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-3.i [2024-12-02 07:20:23,776 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/data/4c2542d4a/4649775332bb4509a57b28bde4d05f99/FLAG70bfd83d0 [2024-12-02 07:20:24,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/data/4c2542d4a/4649775332bb4509a57b28bde4d05f99 [2024-12-02 07:20:24,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:20:24,100 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:20:24,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:20:24,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:20:24,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:20:24,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:20:24" (1/1) ... [2024-12-02 07:20:24,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb7e4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:24, skipping insertion in model container [2024-12-02 07:20:24,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:20:24" (1/1) ... [2024-12-02 07:20:24,125 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:20:24,239 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_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-3.i[918,931] [2024-12-02 07:20:24,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:20:24,321 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:20:24,330 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_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-3.i[918,931] [2024-12-02 07:20:24,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:20:24,378 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:20:24,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:24 WrapperNode [2024-12-02 07:20:24,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:20:24,379 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:20:24,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:20:24,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:20:24,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:24" (1/1) ... [2024-12-02 07:20:24,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:24" (1/1) ... [2024-12-02 07:20:24,432 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 237 [2024-12-02 07:20:24,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:20:24,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:20:24,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:20:24,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:20:24,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:24" (1/1) ... [2024-12-02 07:20:24,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:24" (1/1) ... [2024-12-02 07:20:24,444 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:24" (1/1) ... [2024-12-02 07:20:24,462 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]. [2024-12-02 07:20:24,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:24" (1/1) ... [2024-12-02 07:20:24,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:24" (1/1) ... [2024-12-02 07:20:24,474 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:24" (1/1) ... [2024-12-02 07:20:24,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:24" (1/1) ... [2024-12-02 07:20:24,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:24" (1/1) ... [2024-12-02 07:20:24,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:24" (1/1) ... [2024-12-02 07:20:24,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:24" (1/1) ... [2024-12-02 07:20:24,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:20:24,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:20:24,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:20:24,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:20:24,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:24" (1/1) ... [2024-12-02 07:20:24,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:20:24,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:20:24,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:20:24,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:20:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:20:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 07:20:24,548 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 07:20:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 07:20:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:20:24,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:20:24,621 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:20:24,623 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:20:25,073 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-02 07:20:25,073 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:20:25,084 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:20:25,084 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 07:20:25,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:20:25 BoogieIcfgContainer [2024-12-02 07:20:25,085 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:20:25,087 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:20:25,087 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:20:25,092 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:20:25,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:20:24" (1/3) ... [2024-12-02 07:20:25,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e76892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:20:25, skipping insertion in model container [2024-12-02 07:20:25,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:24" (2/3) ... [2024-12-02 07:20:25,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e76892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:20:25, skipping insertion in model container [2024-12-02 07:20:25,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:20:25" (3/3) ... [2024-12-02 07:20:25,094 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-3.i [2024-12-02 07:20:25,109 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:20:25,111 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-3.i that has 2 procedures, 106 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 07:20:25,173 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:20:25,184 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;@2c505bb2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:20:25,184 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 07:20:25,187 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 80 states have (on average 1.55) internal successors, (124), 81 states have internal predecessors, (124), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-02 07:20:25,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 07:20:25,198 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:25,198 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:20:25,199 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:20:25,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:25,204 INFO L85 PathProgramCache]: Analyzing trace with hash -28786604, now seen corresponding path program 1 times [2024-12-02 07:20:25,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:25,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282279856] [2024-12-02 07:20:25,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:25,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:25,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-12-02 07:20:25,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:25,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282279856] [2024-12-02 07:20:25,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282279856] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:20:25,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276953707] [2024-12-02 07:20:25,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:25,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:20:25,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:20:25,473 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:20:25,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 07:20:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:25,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 07:20:25,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:20:25,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-12-02 07:20:25,651 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:20:25,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276953707] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:20:25,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:20:25,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 07:20:25,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811189354] [2024-12-02 07:20:25,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:20:25,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 07:20:25,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:25,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 07:20:25,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:20:25,676 INFO L87 Difference]: Start difference. First operand has 106 states, 80 states have (on average 1.55) internal successors, (124), 81 states have internal predecessors, (124), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 07:20:25,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:25,704 INFO L93 Difference]: Finished difference Result 205 states and 357 transitions. [2024-12-02 07:20:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 07:20:25,706 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 160 [2024-12-02 07:20:25,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:25,712 INFO L225 Difference]: With dead ends: 205 [2024-12-02 07:20:25,713 INFO L226 Difference]: Without dead ends: 102 [2024-12-02 07:20:25,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:20:25,718 INFO L435 NwaCegarLoop]: 162 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, 162 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 [2024-12-02 07:20:25,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:20:25,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-12-02 07:20:25,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-12-02 07:20:25,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 77 states have (on average 1.5064935064935066) internal successors, (116), 77 states have internal predecessors, (116), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-02 07:20:25,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 162 transitions. [2024-12-02 07:20:25,757 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 162 transitions. Word has length 160 [2024-12-02 07:20:25,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:25,758 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 162 transitions. [2024-12-02 07:20:25,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 07:20:25,758 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 162 transitions. [2024-12-02 07:20:25,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 07:20:25,761 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:25,761 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:20:25,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 07:20:25,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 07:20:25,962 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:20:25,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:25,963 INFO L85 PathProgramCache]: Analyzing trace with hash 316737362, now seen corresponding path program 1 times [2024-12-02 07:20:25,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:25,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036365064] [2024-12-02 07:20:25,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:25,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:26,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 07:20:26,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:26,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036365064] [2024-12-02 07:20:26,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036365064] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:20:26,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:20:26,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:20:26,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909023484] [2024-12-02 07:20:26,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:20:26,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:20:26,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:26,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:20:26,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:20:26,328 INFO L87 Difference]: Start difference. First operand 102 states and 162 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:20:26,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:26,382 INFO L93 Difference]: Finished difference Result 203 states and 325 transitions. [2024-12-02 07:20:26,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:20:26,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 160 [2024-12-02 07:20:26,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:26,385 INFO L225 Difference]: With dead ends: 203 [2024-12-02 07:20:26,385 INFO L226 Difference]: Without dead ends: 104 [2024-12-02 07:20:26,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:20:26,387 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 0 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:20:26,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 468 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:20:26,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-12-02 07:20:26,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-12-02 07:20:26,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 79 states have (on average 1.4936708860759493) internal successors, (118), 79 states have internal predecessors, (118), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-02 07:20:26,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 164 transitions. [2024-12-02 07:20:26,400 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 164 transitions. Word has length 160 [2024-12-02 07:20:26,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:26,402 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 164 transitions. [2024-12-02 07:20:26,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:20:26,403 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 164 transitions. [2024-12-02 07:20:26,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 07:20:26,405 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:26,406 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:20:26,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 07:20:26,406 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:20:26,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:26,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1134385812, now seen corresponding path program 1 times [2024-12-02 07:20:26,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:26,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253032329] [2024-12-02 07:20:26,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:26,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:26,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 07:20:26,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:26,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253032329] [2024-12-02 07:20:26,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253032329] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:20:26,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:20:26,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:20:26,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490144299] [2024-12-02 07:20:26,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:20:26,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:20:26,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:26,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:20:26,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:20:26,648 INFO L87 Difference]: Start difference. First operand 104 states and 164 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:20:26,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:26,738 INFO L93 Difference]: Finished difference Result 306 states and 486 transitions. [2024-12-02 07:20:26,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:20:26,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 160 [2024-12-02 07:20:26,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:26,742 INFO L225 Difference]: With dead ends: 306 [2024-12-02 07:20:26,742 INFO L226 Difference]: Without dead ends: 205 [2024-12-02 07:20:26,743 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:20:26,744 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 113 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:20:26,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 289 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:20:26,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-12-02 07:20:26,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 203. [2024-12-02 07:20:26,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 154 states have (on average 1.4675324675324675) internal successors, (226), 154 states have internal predecessors, (226), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-12-02 07:20:26,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 318 transitions. [2024-12-02 07:20:26,772 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 318 transitions. Word has length 160 [2024-12-02 07:20:26,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:26,773 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 318 transitions. [2024-12-02 07:20:26,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:20:26,773 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 318 transitions. [2024-12-02 07:20:26,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 07:20:26,775 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:26,776 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:20:26,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 07:20:26,776 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:20:26,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:26,776 INFO L85 PathProgramCache]: Analyzing trace with hash 708195057, now seen corresponding path program 1 times [2024-12-02 07:20:26,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:26,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178801965] [2024-12-02 07:20:26,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:26,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:26,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 07:20:26,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:26,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178801965] [2024-12-02 07:20:26,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178801965] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:20:26,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:20:26,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:20:26,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423375155] [2024-12-02 07:20:26,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:20:26,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:20:26,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:26,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:20:26,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:20:26,960 INFO L87 Difference]: Start difference. First operand 203 states and 318 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:20:27,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:27,094 INFO L93 Difference]: Finished difference Result 591 states and 933 transitions. [2024-12-02 07:20:27,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:20:27,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 162 [2024-12-02 07:20:27,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:27,098 INFO L225 Difference]: With dead ends: 591 [2024-12-02 07:20:27,098 INFO L226 Difference]: Without dead ends: 391 [2024-12-02 07:20:27,099 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 [2024-12-02 07:20:27,100 INFO L435 NwaCegarLoop]: 248 mSDtfsCounter, 141 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:20:27,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 376 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:20:27,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-12-02 07:20:27,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 389. [2024-12-02 07:20:27,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 292 states have (on average 1.4554794520547945) internal successors, (425), 292 states have internal predecessors, (425), 92 states have call successors, (92), 4 states have call predecessors, (92), 4 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2024-12-02 07:20:27,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 609 transitions. [2024-12-02 07:20:27,148 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 609 transitions. Word has length 162 [2024-12-02 07:20:27,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:27,149 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 609 transitions. [2024-12-02 07:20:27,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:20:27,150 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 609 transitions. [2024-12-02 07:20:27,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 07:20:27,152 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:27,152 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:20:27,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 07:20:27,152 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:20:27,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:27,153 INFO L85 PathProgramCache]: Analyzing trace with hash -327083957, now seen corresponding path program 1 times [2024-12-02 07:20:27,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:27,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434734821] [2024-12-02 07:20:27,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:27,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 07:20:27,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:27,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434734821] [2024-12-02 07:20:27,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434734821] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:20:27,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:20:27,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:20:27,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749931478] [2024-12-02 07:20:27,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:20:27,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:20:27,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:27,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:20:27,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:20:27,269 INFO L87 Difference]: Start difference. First operand 389 states and 609 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:20:27,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:27,342 INFO L93 Difference]: Finished difference Result 897 states and 1396 transitions. [2024-12-02 07:20:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:20:27,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 162 [2024-12-02 07:20:27,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:27,347 INFO L225 Difference]: With dead ends: 897 [2024-12-02 07:20:27,347 INFO L226 Difference]: Without dead ends: 511 [2024-12-02 07:20:27,349 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 [2024-12-02 07:20:27,349 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 43 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:20:27,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 332 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:20:27,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2024-12-02 07:20:27,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 429. [2024-12-02 07:20:27,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 332 states have (on average 1.4487951807228916) internal successors, (481), 332 states have internal predecessors, (481), 92 states have call successors, (92), 4 states have call predecessors, (92), 4 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2024-12-02 07:20:27,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 665 transitions. [2024-12-02 07:20:27,398 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 665 transitions. Word has length 162 [2024-12-02 07:20:27,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:27,399 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 665 transitions. [2024-12-02 07:20:27,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:20:27,399 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 665 transitions. [2024-12-02 07:20:27,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 07:20:27,401 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:27,401 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:20:27,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 07:20:27,402 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:20:27,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:27,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1138658574, now seen corresponding path program 1 times [2024-12-02 07:20:27,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:27,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245315022] [2024-12-02 07:20:27,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:27,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:27,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 07:20:27,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:27,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245315022] [2024-12-02 07:20:27,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245315022] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:20:27,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:20:27,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:20:27,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080840985] [2024-12-02 07:20:27,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:20:27,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:20:27,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:27,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:20:27,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:20:27,708 INFO L87 Difference]: Start difference. First operand 429 states and 665 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:20:27,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:27,885 INFO L93 Difference]: Finished difference Result 1075 states and 1670 transitions. [2024-12-02 07:20:27,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:20:27,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 163 [2024-12-02 07:20:27,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:27,892 INFO L225 Difference]: With dead ends: 1075 [2024-12-02 07:20:27,892 INFO L226 Difference]: Without dead ends: 649 [2024-12-02 07:20:27,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:20:27,894 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 115 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:20:27,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 308 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:20:27,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2024-12-02 07:20:27,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 647. [2024-12-02 07:20:27,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 502 states have (on average 1.4442231075697212) internal successors, (725), 502 states have internal predecessors, (725), 138 states have call successors, (138), 6 states have call predecessors, (138), 6 states have return successors, (138), 138 states have call predecessors, (138), 138 states have call successors, (138) [2024-12-02 07:20:27,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 1001 transitions. [2024-12-02 07:20:27,981 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 1001 transitions. Word has length 163 [2024-12-02 07:20:27,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:27,982 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 1001 transitions. [2024-12-02 07:20:27,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:20:27,982 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1001 transitions. [2024-12-02 07:20:27,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 07:20:27,985 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:27,986 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:20:27,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 07:20:27,986 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:20:27,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:27,987 INFO L85 PathProgramCache]: Analyzing trace with hash 875976651, now seen corresponding path program 1 times [2024-12-02 07:20:27,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:27,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833085024] [2024-12-02 07:20:27,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:27,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:29,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 07:20:29,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:29,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833085024] [2024-12-02 07:20:29,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833085024] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:20:29,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:20:29,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 07:20:29,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844954982] [2024-12-02 07:20:29,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:20:29,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 07:20:29,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:29,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 07:20:29,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 07:20:29,838 INFO L87 Difference]: Start difference. First operand 647 states and 1001 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-12-02 07:20:30,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:30,746 INFO L93 Difference]: Finished difference Result 2085 states and 3176 transitions. [2024-12-02 07:20:30,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:20:30,747 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 165 [2024-12-02 07:20:30,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:30,755 INFO L225 Difference]: With dead ends: 2085 [2024-12-02 07:20:30,755 INFO L226 Difference]: Without dead ends: 1441 [2024-12-02 07:20:30,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-12-02 07:20:30,758 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 536 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 07:20:30,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 567 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 07:20:30,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2024-12-02 07:20:30,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 1127. [2024-12-02 07:20:30,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 940 states have (on average 1.4691489361702128) internal successors, (1381), 946 states have internal predecessors, (1381), 174 states have call successors, (174), 12 states have call predecessors, (174), 12 states have return successors, (174), 168 states have call predecessors, (174), 174 states have call successors, (174) [2024-12-02 07:20:30,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1729 transitions. [2024-12-02 07:20:30,869 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1729 transitions. Word has length 165 [2024-12-02 07:20:30,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:30,870 INFO L471 AbstractCegarLoop]: Abstraction has 1127 states and 1729 transitions. [2024-12-02 07:20:30,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-12-02 07:20:30,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1729 transitions. [2024-12-02 07:20:30,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 07:20:30,873 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:30,873 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:20:30,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 07:20:30,873 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:20:30,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:30,874 INFO L85 PathProgramCache]: Analyzing trace with hash -865176651, now seen corresponding path program 1 times [2024-12-02 07:20:30,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:30,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795587909] [2024-12-02 07:20:30,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:30,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:31,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 07:20:31,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:31,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795587909] [2024-12-02 07:20:31,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795587909] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:20:31,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:20:31,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:20:31,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473799077] [2024-12-02 07:20:31,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:20:31,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:20:31,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:31,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:20:31,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:20:31,261 INFO L87 Difference]: Start difference. First operand 1127 states and 1729 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 07:20:32,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:32,132 INFO L93 Difference]: Finished difference Result 3842 states and 5904 transitions. [2024-12-02 07:20:32,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:20:32,133 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 165 [2024-12-02 07:20:32,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:32,149 INFO L225 Difference]: With dead ends: 3842 [2024-12-02 07:20:32,149 INFO L226 Difference]: Without dead ends: 2718 [2024-12-02 07:20:32,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-12-02 07:20:32,153 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 483 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:20:32,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 738 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 07:20:32,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2718 states. [2024-12-02 07:20:32,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2718 to 2694. [2024-12-02 07:20:32,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2694 states, 2259 states have (on average 1.4754316069057105) internal successors, (3333), 2273 states have internal predecessors, (3333), 406 states have call successors, (406), 28 states have call predecessors, (406), 28 states have return successors, (406), 392 states have call predecessors, (406), 406 states have call successors, (406) [2024-12-02 07:20:32,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 2694 states and 4145 transitions. [2024-12-02 07:20:32,368 INFO L78 Accepts]: Start accepts. Automaton has 2694 states and 4145 transitions. Word has length 165 [2024-12-02 07:20:32,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:32,368 INFO L471 AbstractCegarLoop]: Abstraction has 2694 states and 4145 transitions. [2024-12-02 07:20:32,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 07:20:32,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2694 states and 4145 transitions. [2024-12-02 07:20:32,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 07:20:32,372 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:32,372 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:20:32,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 07:20:32,372 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:20:32,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:32,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1119637941, now seen corresponding path program 1 times [2024-12-02 07:20:32,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:32,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376738473] [2024-12-02 07:20:32,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:32,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:33,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 07:20:33,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:33,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376738473] [2024-12-02 07:20:33,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376738473] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:20:33,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:20:33,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:20:33,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037929685] [2024-12-02 07:20:33,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:20:33,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:20:33,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:33,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:20:33,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:20:33,194 INFO L87 Difference]: Start difference. First operand 2694 states and 4145 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:20:33,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:33,939 INFO L93 Difference]: Finished difference Result 6905 states and 10475 transitions. [2024-12-02 07:20:33,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:20:33,940 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 165 [2024-12-02 07:20:33,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:33,969 INFO L225 Difference]: With dead ends: 6905 [2024-12-02 07:20:33,969 INFO L226 Difference]: Without dead ends: 5020 [2024-12-02 07:20:33,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:20:33,976 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 244 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:20:33,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 487 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 07:20:33,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5020 states. [2024-12-02 07:20:34,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5020 to 3088. [2024-12-02 07:20:34,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3088 states, 2653 states have (on average 1.5005653976630229) internal successors, (3981), 2667 states have internal predecessors, (3981), 406 states have call successors, (406), 28 states have call predecessors, (406), 28 states have return successors, (406), 392 states have call predecessors, (406), 406 states have call successors, (406) [2024-12-02 07:20:34,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3088 states to 3088 states and 4793 transitions. [2024-12-02 07:20:34,254 INFO L78 Accepts]: Start accepts. Automaton has 3088 states and 4793 transitions. Word has length 165 [2024-12-02 07:20:34,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:34,255 INFO L471 AbstractCegarLoop]: Abstraction has 3088 states and 4793 transitions. [2024-12-02 07:20:34,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:20:34,255 INFO L276 IsEmpty]: Start isEmpty. Operand 3088 states and 4793 transitions. [2024-12-02 07:20:34,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 07:20:34,258 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:34,258 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:20:34,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 07:20:34,258 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:20:34,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:34,259 INFO L85 PathProgramCache]: Analyzing trace with hash 872084693, now seen corresponding path program 1 times [2024-12-02 07:20:34,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:34,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529575986] [2024-12-02 07:20:34,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:34,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:34,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 07:20:34,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:34,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529575986] [2024-12-02 07:20:34,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529575986] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:20:34,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:20:34,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 07:20:34,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091425018] [2024-12-02 07:20:34,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:20:34,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 07:20:34,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:34,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 07:20:34,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 07:20:34,789 INFO L87 Difference]: Start difference. First operand 3088 states and 4793 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 07:20:35,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:35,710 INFO L93 Difference]: Finished difference Result 6687 states and 10292 transitions. [2024-12-02 07:20:35,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:20:35,711 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 166 [2024-12-02 07:20:35,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:35,728 INFO L225 Difference]: With dead ends: 6687 [2024-12-02 07:20:35,728 INFO L226 Difference]: Without dead ends: 3602 [2024-12-02 07:20:35,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-12-02 07:20:35,735 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 487 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:20:35,735 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 660 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 07:20:35,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3602 states. [2024-12-02 07:20:35,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3602 to 3548. [2024-12-02 07:20:35,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3548 states, 3077 states have (on average 1.4884627884302892) internal successors, (4580), 3103 states have internal predecessors, (4580), 430 states have call successors, (430), 40 states have call predecessors, (430), 40 states have return successors, (430), 404 states have call predecessors, (430), 430 states have call successors, (430) [2024-12-02 07:20:36,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3548 states to 3548 states and 5440 transitions. [2024-12-02 07:20:36,004 INFO L78 Accepts]: Start accepts. Automaton has 3548 states and 5440 transitions. Word has length 166 [2024-12-02 07:20:36,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:36,005 INFO L471 AbstractCegarLoop]: Abstraction has 3548 states and 5440 transitions. [2024-12-02 07:20:36,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 07:20:36,005 INFO L276 IsEmpty]: Start isEmpty. Operand 3548 states and 5440 transitions. [2024-12-02 07:20:36,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 07:20:36,009 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:36,009 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:20:36,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 07:20:36,009 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:20:36,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:36,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1175223682, now seen corresponding path program 1 times [2024-12-02 07:20:36,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:36,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293120355] [2024-12-02 07:20:36,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:36,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:36,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 07:20:36,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:36,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293120355] [2024-12-02 07:20:36,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293120355] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:20:36,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:20:36,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:20:36,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122771798] [2024-12-02 07:20:36,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:20:36,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:20:36,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:36,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:20:36,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:20:36,418 INFO L87 Difference]: Start difference. First operand 3548 states and 5440 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 07:20:37,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:37,226 INFO L93 Difference]: Finished difference Result 5095 states and 7675 transitions. [2024-12-02 07:20:37,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:20:37,227 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 166 [2024-12-02 07:20:37,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:37,238 INFO L225 Difference]: With dead ends: 5095 [2024-12-02 07:20:37,239 INFO L226 Difference]: Without dead ends: 4443 [2024-12-02 07:20:37,240 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-12-02 07:20:37,241 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 251 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:20:37,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 450 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 07:20:37,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4443 states. [2024-12-02 07:20:37,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4443 to 4077. [2024-12-02 07:20:37,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4077 states, 3570 states have (on average 1.4803921568627452) internal successors, (5285), 3608 states have internal predecessors, (5285), 454 states have call successors, (454), 52 states have call predecessors, (454), 52 states have return successors, (454), 416 states have call predecessors, (454), 454 states have call successors, (454) [2024-12-02 07:20:37,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4077 states to 4077 states and 6193 transitions. [2024-12-02 07:20:37,498 INFO L78 Accepts]: Start accepts. Automaton has 4077 states and 6193 transitions. Word has length 166 [2024-12-02 07:20:37,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:37,498 INFO L471 AbstractCegarLoop]: Abstraction has 4077 states and 6193 transitions. [2024-12-02 07:20:37,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 07:20:37,499 INFO L276 IsEmpty]: Start isEmpty. Operand 4077 states and 6193 transitions. [2024-12-02 07:20:37,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 07:20:37,501 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:37,502 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:20:37,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 07:20:37,502 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:20:37,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:37,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1659759880, now seen corresponding path program 1 times [2024-12-02 07:20:37,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:37,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566351819] [2024-12-02 07:20:37,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:37,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:37,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 07:20:37,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:37,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566351819] [2024-12-02 07:20:37,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566351819] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:20:37,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:20:37,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:20:37,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087052333] [2024-12-02 07:20:37,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:20:37,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:20:37,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:37,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:20:37,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:20:37,707 INFO L87 Difference]: Start difference. First operand 4077 states and 6193 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:20:38,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:38,263 INFO L93 Difference]: Finished difference Result 7119 states and 10834 transitions. [2024-12-02 07:20:38,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:20:38,263 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 166 [2024-12-02 07:20:38,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:38,285 INFO L225 Difference]: With dead ends: 7119 [2024-12-02 07:20:38,285 INFO L226 Difference]: Without dead ends: 5062 [2024-12-02 07:20:38,291 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:20:38,291 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 289 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:20:38,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 581 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 07:20:38,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5062 states. [2024-12-02 07:20:38,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5062 to 4431. [2024-12-02 07:20:38,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4431 states, 3924 states have (on average 1.4834352701325177) internal successors, (5821), 3962 states have internal predecessors, (5821), 454 states have call successors, (454), 52 states have call predecessors, (454), 52 states have return successors, (454), 416 states have call predecessors, (454), 454 states have call successors, (454) [2024-12-02 07:20:38,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4431 states to 4431 states and 6729 transitions. [2024-12-02 07:20:38,638 INFO L78 Accepts]: Start accepts. Automaton has 4431 states and 6729 transitions. Word has length 166 [2024-12-02 07:20:38,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:38,639 INFO L471 AbstractCegarLoop]: Abstraction has 4431 states and 6729 transitions. [2024-12-02 07:20:38,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:20:38,639 INFO L276 IsEmpty]: Start isEmpty. Operand 4431 states and 6729 transitions. [2024-12-02 07:20:38,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 07:20:38,641 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:38,641 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:20:38,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 07:20:38,642 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:20:38,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:38,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1334658378, now seen corresponding path program 1 times [2024-12-02 07:20:38,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:38,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209260168] [2024-12-02 07:20:38,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:38,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:38,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 07:20:38,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:38,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209260168] [2024-12-02 07:20:38,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209260168] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:20:38,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:20:38,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:20:38,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415413177] [2024-12-02 07:20:38,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:20:38,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:20:38,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:38,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:20:38,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:20:38,925 INFO L87 Difference]: Start difference. First operand 4431 states and 6729 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:20:39,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:39,622 INFO L93 Difference]: Finished difference Result 11796 states and 17668 transitions. [2024-12-02 07:20:39,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:20:39,622 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 166 [2024-12-02 07:20:39,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:39,649 INFO L225 Difference]: With dead ends: 11796 [2024-12-02 07:20:39,650 INFO L226 Difference]: Without dead ends: 7368 [2024-12-02 07:20:39,659 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:20:39,659 INFO L435 NwaCegarLoop]: 310 mSDtfsCounter, 231 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 793 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:20:39,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 793 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 07:20:39,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7368 states. [2024-12-02 07:20:40,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7368 to 5937. [2024-12-02 07:20:40,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5937 states, 5212 states have (on average 1.4623944742900998) internal successors, (7622), 5276 states have internal predecessors, (7622), 632 states have call successors, (632), 92 states have call predecessors, (632), 92 states have return successors, (632), 568 states have call predecessors, (632), 632 states have call successors, (632) [2024-12-02 07:20:40,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5937 states to 5937 states and 8886 transitions. [2024-12-02 07:20:40,268 INFO L78 Accepts]: Start accepts. Automaton has 5937 states and 8886 transitions. Word has length 166 [2024-12-02 07:20:40,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:40,269 INFO L471 AbstractCegarLoop]: Abstraction has 5937 states and 8886 transitions. [2024-12-02 07:20:40,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:20:40,269 INFO L276 IsEmpty]: Start isEmpty. Operand 5937 states and 8886 transitions. [2024-12-02 07:20:40,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 07:20:40,273 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:40,274 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:20:40,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 07:20:40,274 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:20:40,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:40,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1059217033, now seen corresponding path program 1 times [2024-12-02 07:20:40,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:40,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289416798] [2024-12-02 07:20:40,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:40,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:41,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 18 proven. 48 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-12-02 07:20:41,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:41,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289416798] [2024-12-02 07:20:41,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289416798] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:20:41,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479673259] [2024-12-02 07:20:41,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:41,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:20:41,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:20:41,022 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:20:41,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 07:20:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:41,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 07:20:41,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:20:41,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 644 proven. 69 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2024-12-02 07:20:41,956 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:20:42,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 51 proven. 15 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-12-02 07:20:42,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479673259] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:20:42,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:20:42,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 14, 8] total 24 [2024-12-02 07:20:42,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597050165] [2024-12-02 07:20:42,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:20:42,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 07:20:42,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:42,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 07:20:42,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=455, Unknown=0, NotChecked=0, Total=552 [2024-12-02 07:20:42,478 INFO L87 Difference]: Start difference. First operand 5937 states and 8886 transitions. Second operand has 24 states, 24 states have (on average 5.708333333333333) internal successors, (137), 23 states have internal predecessors, (137), 7 states have call successors, (50), 4 states have call predecessors, (50), 7 states have return successors, (52), 7 states have call predecessors, (52), 7 states have call successors, (52) [2024-12-02 07:20:48,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:48,464 INFO L93 Difference]: Finished difference Result 18506 states and 26875 transitions. [2024-12-02 07:20:48,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-12-02 07:20:48,465 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 5.708333333333333) internal successors, (137), 23 states have internal predecessors, (137), 7 states have call successors, (50), 4 states have call predecessors, (50), 7 states have return successors, (52), 7 states have call predecessors, (52), 7 states have call successors, (52) Word has length 166 [2024-12-02 07:20:48,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:48,499 INFO L225 Difference]: With dead ends: 18506 [2024-12-02 07:20:48,499 INFO L226 Difference]: Without dead ends: 12572 [2024-12-02 07:20:48,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4996 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=3076, Invalid=11204, Unknown=0, NotChecked=0, Total=14280 [2024-12-02 07:20:48,512 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 2569 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 1743 mSolverCounterSat, 563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2569 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 2306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 563 IncrementalHoareTripleChecker+Valid, 1743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-12-02 07:20:48,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2569 Valid, 1054 Invalid, 2306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [563 Valid, 1743 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-12-02 07:20:48,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12572 states. [2024-12-02 07:20:48,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12572 to 3615. [2024-12-02 07:20:48,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3615 states, 3102 states have (on average 1.4090909090909092) internal successors, (4371), 3131 states have internal predecessors, (4371), 390 states have call successors, (390), 122 states have call predecessors, (390), 122 states have return successors, (390), 361 states have call predecessors, (390), 390 states have call successors, (390) [2024-12-02 07:20:48,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 3615 states and 5151 transitions. [2024-12-02 07:20:48,938 INFO L78 Accepts]: Start accepts. Automaton has 3615 states and 5151 transitions. Word has length 166 [2024-12-02 07:20:48,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:48,939 INFO L471 AbstractCegarLoop]: Abstraction has 3615 states and 5151 transitions. [2024-12-02 07:20:48,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.708333333333333) internal successors, (137), 23 states have internal predecessors, (137), 7 states have call successors, (50), 4 states have call predecessors, (50), 7 states have return successors, (52), 7 states have call predecessors, (52), 7 states have call successors, (52) [2024-12-02 07:20:48,939 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5151 transitions. [2024-12-02 07:20:48,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-02 07:20:48,942 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:48,942 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:20:48,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 07:20:49,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-02 07:20:49,143 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:20:49,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:49,144 INFO L85 PathProgramCache]: Analyzing trace with hash 345842029, now seen corresponding path program 1 times [2024-12-02 07:20:49,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:49,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202729504] [2024-12-02 07:20:49,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:49,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:49,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 33 proven. 33 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-12-02 07:20:49,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:20:49,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202729504] [2024-12-02 07:20:49,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202729504] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:20:49,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888762174] [2024-12-02 07:20:49,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:49,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:20:49,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:20:49,467 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:20:49,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 07:20:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:20:49,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 07:20:49,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:20:49,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 528 proven. 33 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-12-02 07:20:49,729 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:20:49,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888762174] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:20:49,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 07:20:49,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2024-12-02 07:20:49,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721760244] [2024-12-02 07:20:49,872 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 07:20:49,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 07:20:49,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:20:49,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 07:20:49,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 07:20:49,874 INFO L87 Difference]: Start difference. First operand 3615 states and 5151 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 07:20:50,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:20:50,370 INFO L93 Difference]: Finished difference Result 6954 states and 9803 transitions. [2024-12-02 07:20:50,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 07:20:50,371 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 167 [2024-12-02 07:20:50,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:20:50,380 INFO L225 Difference]: With dead ends: 6954 [2024-12-02 07:20:50,380 INFO L226 Difference]: Without dead ends: 3360 [2024-12-02 07:20:50,384 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-12-02 07:20:50,385 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 109 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:20:50,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 437 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:20:50,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3360 states. [2024-12-02 07:20:50,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3360 to 3242. [2024-12-02 07:20:50,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3242 states, 2729 states have (on average 1.3810919750824477) internal successors, (3769), 2758 states have internal predecessors, (3769), 390 states have call successors, (390), 122 states have call predecessors, (390), 122 states have return successors, (390), 361 states have call predecessors, (390), 390 states have call successors, (390) [2024-12-02 07:20:50,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 3242 states and 4549 transitions. [2024-12-02 07:20:50,648 INFO L78 Accepts]: Start accepts. Automaton has 3242 states and 4549 transitions. Word has length 167 [2024-12-02 07:20:50,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:20:50,649 INFO L471 AbstractCegarLoop]: Abstraction has 3242 states and 4549 transitions. [2024-12-02 07:20:50,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 07:20:50,649 INFO L276 IsEmpty]: Start isEmpty. Operand 3242 states and 4549 transitions. [2024-12-02 07:20:50,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-02 07:20:50,650 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:20:50,651 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:20:50,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 07:20:50,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-02 07:20:50,851 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:20:50,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:20:50,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1040361365, now seen corresponding path program 1 times [2024-12-02 07:20:50,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:20:50,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473784937] [2024-12-02 07:20:50,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:50,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:20:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 07:20:50,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [735133941] [2024-12-02 07:20:50,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:20:50,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:20:50,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:20:50,909 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:20:50,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 07:20:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:20:51,201 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:20:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:20:51,447 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 07:20:51,447 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 07:20:51,448 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 07:20:51,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 07:20:51,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-02 07:20:51,653 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:20:51,737 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 07:20:51,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:20:51 BoogieIcfgContainer [2024-12-02 07:20:51,740 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 07:20:51,741 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 07:20:51,741 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 07:20:51,741 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 07:20:51,741 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:20:25" (3/4) ... [2024-12-02 07:20:51,743 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 07:20:51,743 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 07:20:51,744 INFO L158 Benchmark]: Toolchain (without parser) took 27644.00ms. Allocated memory was 142.6MB in the beginning and 696.3MB in the end (delta: 553.6MB). Free memory was 116.6MB in the beginning and 284.2MB in the end (delta: -167.5MB). Peak memory consumption was 386.1MB. Max. memory is 16.1GB. [2024-12-02 07:20:51,744 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:20:51,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.40ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 101.3MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 07:20:51,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.86ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 96.5MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:20:51,745 INFO L158 Benchmark]: Boogie Preprocessor took 61.27ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 90.6MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:20:51,745 INFO L158 Benchmark]: RCFGBuilder took 590.53ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 59.2MB in the end (delta: 31.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 07:20:51,746 INFO L158 Benchmark]: TraceAbstraction took 26652.95ms. Allocated memory was 142.6MB in the beginning and 696.3MB in the end (delta: 553.6MB). Free memory was 58.7MB in the beginning and 284.2MB in the end (delta: -225.5MB). Peak memory consumption was 327.4MB. Max. memory is 16.1GB. [2024-12-02 07:20:51,746 INFO L158 Benchmark]: Witness Printer took 3.00ms. Allocated memory is still 696.3MB. Free memory was 284.2MB in the beginning and 284.2MB in the end (delta: 60.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:20:51,747 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.40ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 101.3MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.86ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 96.5MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.27ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 90.6MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 590.53ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 59.2MB in the end (delta: 31.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 26652.95ms. Allocated memory was 142.6MB in the beginning and 696.3MB in the end (delta: 553.6MB). Free memory was 58.7MB in the beginning and 284.2MB in the end (delta: -225.5MB). Peak memory consumption was 327.4MB. Max. memory is 16.1GB. * Witness Printer took 3.00ms. Allocated memory is still 696.3MB. Free memory was 284.2MB in the beginning and 284.2MB in the end (delta: 60.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 59, overapproximation of bitwiseOr at line 126, overapproximation of someBinaryDOUBLEComparisonOperation at line 147, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 148, overapproximation of someBinaryDOUBLEComparisonOperation at line 175, overapproximation of someBinaryDOUBLEComparisonOperation at line 121, overapproximation of someBinaryDOUBLEComparisonOperation at line 150, overapproximation of someBinaryDOUBLEComparisonOperation at line 110, overapproximation of someBinaryDOUBLEComparisonOperation at line 175, overapproximation of someBinaryDOUBLEComparisonOperation at line 102. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -64; [L23] unsigned char var_1_3 = 1; [L24] signed char var_1_5 = -32; [L25] unsigned short int var_1_6 = 256; [L26] unsigned long int var_1_10 = 256; [L27] double var_1_12 = 8.2; [L28] signed char var_1_13 = 16; [L29] signed char var_1_14 = 10; [L30] double var_1_15 = 199.125; [L31] double var_1_16 = 9.4; [L32] double var_1_17 = 9999999999999.6; [L33] unsigned char var_1_20 = 32; [L34] unsigned char var_1_21 = 128; [L35] unsigned char var_1_22 = 64; [L36] unsigned long int var_1_23 = 64; [L37] unsigned long int var_1_24 = 5; [L38] signed short int var_1_28 = 256; [L39] signed long int var_1_30 = -4; [L40] double var_1_32 = 0.0; [L41] unsigned short int var_1_34 = 34858; [L42] unsigned short int var_1_35 = 41225; [L43] double var_1_37 = 63.63; [L44] signed char var_1_39 = 10; [L45] signed char var_1_40 = -25; [L46] signed char var_1_41 = 4; [L47] unsigned char var_1_42 = 50; [L48] unsigned long int last_1_var_1_10 = 256; [L49] unsigned char last_1_var_1_20 = 32; VAL [isInitial=0, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=1, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L179] isInitial = 1 [L180] FCALL initially() [L182] CALL updateLastVariables() [L171] last_1_var_1_10 = var_1_10 [L172] last_1_var_1_20 = var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=1, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L182] RET updateLastVariables() [L183] CALL updateVariables() [L134] var_1_3 = __VERIFIER_nondet_uchar() [L135] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L135] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L136] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L136] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L137] var_1_5 = __VERIFIER_nondet_char() [L138] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L138] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L139] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L139] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L140] var_1_13 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L141] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L142] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L142] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L143] var_1_14 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L144] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L145] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L145] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L146] var_1_15 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L147] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L148] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L148] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L149] var_1_16 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L150] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L151] var_1_21 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_21 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L152] RET assume_abort_if_not(var_1_21 >= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L153] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L153] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L154] var_1_22 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L155] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L156] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L156] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L157] var_1_34 = __VERIFIER_nondet_ushort() [L158] CALL assume_abort_if_not(var_1_34 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L158] RET assume_abort_if_not(var_1_34 >= 32767) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L159] CALL assume_abort_if_not(var_1_34 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L159] RET assume_abort_if_not(var_1_34 <= 65535) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L160] var_1_35 = __VERIFIER_nondet_ushort() [L161] CALL assume_abort_if_not(var_1_35 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L161] RET assume_abort_if_not(var_1_35 >= 32767) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L162] CALL assume_abort_if_not(var_1_35 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L162] RET assume_abort_if_not(var_1_35 <= 65535) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L163] var_1_40 = __VERIFIER_nondet_char() [L164] CALL assume_abort_if_not(var_1_40 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-2, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-2, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L164] RET assume_abort_if_not(var_1_40 >= -63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-2, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L165] CALL assume_abort_if_not(var_1_40 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-2, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-2, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L165] RET assume_abort_if_not(var_1_40 <= 63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-2, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L166] var_1_41 = __VERIFIER_nondet_char() [L167] CALL assume_abort_if_not(var_1_41 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L167] RET assume_abort_if_not(var_1_41 >= -63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L168] CALL assume_abort_if_not(var_1_41 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L168] RET assume_abort_if_not(var_1_41 <= 63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L183] RET updateVariables() [L184] CALL step() [L53] COND FALSE !(var_1_20 >= ((((var_1_14) > (var_1_23)) ? (var_1_14) : (var_1_23)))) [L56] var_1_24 = (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) + ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L58] var_1_28 = var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L59] EXPR var_1_6 ^ var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L59] COND TRUE ((var_1_6 ^ var_1_20) % var_1_21) > -10 [L60] var_1_30 = ((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=32, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L62] EXPR ((((var_1_22) > (-16)) ? (var_1_22) : (-16))) & 16 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=32, var_1_32=0, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L62] COND TRUE (~ var_1_5) <= (((((var_1_22) > (-16)) ? (var_1_22) : (-16))) & 16) [L63] var_1_32 = var_1_16 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=32, var_1_32=2, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L71] EXPR var_1_35 & var_1_14 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=32, var_1_32=2, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L71] EXPR (var_1_35 & var_1_14) >> var_1_22 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=32, var_1_32=2, var_1_34=32767, var_1_35=32767, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L71] COND TRUE var_1_20 >= ((var_1_35 & var_1_14) >> var_1_22) [L72] var_1_37 = ((((var_1_16) < (var_1_16)) ? (var_1_16) : (var_1_16))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=32, var_1_32=2, var_1_34=32767, var_1_35=32767, var_1_37=2, var_1_39=10, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L74] var_1_39 = (var_1_40 + ((((var_1_41) < 0 ) ? -(var_1_41) : (var_1_41)))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=32, var_1_32=2, var_1_34=32767, var_1_35=32767, var_1_37=2, var_1_39=0, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L75] COND FALSE !(var_1_22 > var_1_21) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=32, var_1_32=2, var_1_34=32767, var_1_35=32767, var_1_37=2, var_1_39=0, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L88] COND FALSE !(\read(var_1_3)) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=32, var_1_32=2, var_1_34=32767, var_1_35=32767, var_1_37=2, var_1_39=0, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L93] signed long int stepLocal_2 = var_1_5 * var_1_13; VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_2=258, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=32, var_1_32=2, var_1_34=32767, var_1_35=32767, var_1_37=2, var_1_39=0, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L94] COND TRUE stepLocal_2 > last_1_var_1_10 [L95] var_1_20 = ((((((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) < 0 ) ? -(((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) : (((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=32, var_1_32=2, var_1_34=32767, var_1_35=32767, var_1_37=2, var_1_39=0, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L97] COND TRUE (((((var_1_14 - var_1_20)) < (var_1_5)) ? ((var_1_14 - var_1_20)) : (var_1_5))) < var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=32, var_1_32=2, var_1_34=32767, var_1_35=32767, var_1_37=2, var_1_39=0, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L98] COND FALSE !(\read(var_1_3)) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=32, var_1_32=2, var_1_34=32767, var_1_35=32767, var_1_37=2, var_1_39=0, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L102] unsigned char stepLocal_1 = var_1_17 <= var_1_17; VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=32, var_1_32=2, var_1_34=32767, var_1_35=32767, var_1_37=2, var_1_39=0, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L103] COND FALSE !(stepLocal_1 || var_1_3) [L108] var_1_12 = var_1_16 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=32, var_1_32=2, var_1_34=32767, var_1_35=32767, var_1_37=2, var_1_39=0, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L110] COND FALSE !(99999.8f < var_1_17) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=32, var_1_32=2, var_1_34=32767, var_1_35=32767, var_1_37=2, var_1_39=0, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L121] COND FALSE !((var_1_17 + var_1_12) <= var_1_17) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=32, var_1_32=2, var_1_34=32767, var_1_35=32767, var_1_37=2, var_1_39=0, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L126] EXPR var_1_6 ^ var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=32, var_1_32=2, var_1_34=32767, var_1_35=32767, var_1_37=2, var_1_39=0, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L126] unsigned long int stepLocal_0 = (var_1_6 ^ var_1_20) + var_1_23; [L127] COND FALSE !(var_1_20 <= stepLocal_0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=32, var_1_32=2, var_1_34=32767, var_1_35=32767, var_1_37=2, var_1_39=0, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L184] RET step() [L185] CALL, EXPR property() [L175] EXPR (((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=32, var_1_32=2, var_1_34=32767, var_1_35=32767, var_1_37=2, var_1_39=0, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L175-L176] return (((((((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1)) && (((var_1_17 <= var_1_17) || var_1_3) ? (((var_1_17 / var_1_15) > 25.25) ? (var_1_12 == ((double) 128.5)) : 1) : (var_1_12 == ((double) var_1_16)))) && (((((((var_1_14 - var_1_20)) < (var_1_5)) ? ((var_1_14 - var_1_20)) : (var_1_5))) < var_1_20) ? (var_1_3 ? (var_1_17 == ((double) 128.1)) : 1) : 1)) && (((var_1_5 * var_1_13) > last_1_var_1_10) ? (var_1_20 == ((unsigned char) ((((((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) < 0 ) ? -(((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) : (((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))))))) : 1)) && (((var_1_17 + var_1_12) <= var_1_17) ? ((var_1_6 >= var_1_6) ? (var_1_23 == ((unsigned long int) var_1_20)) : 1) : 1) ; [L185] RET, EXPR property() [L185] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=32, var_1_32=2, var_1_34=32767, var_1_35=32767, var_1_37=2, var_1_39=0, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=96, var_1_28=32, var_1_30=32, var_1_32=2, var_1_34=32767, var_1_35=32767, var_1_37=2, var_1_39=0, var_1_3=0, var_1_40=-2, var_1_41=2, var_1_42=50, var_1_5=3, var_1_6=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 106 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.5s, OverallIterations: 16, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 12.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5622 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5611 mSDsluCounter, 7702 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5137 mSDsCounter, 1125 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4262 IncrementalHoareTripleChecker+Invalid, 5387 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1125 mSolverCounterUnsat, 2565 mSDtfsCounter, 4262 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 927 GetRequests, 741 SyntacticMatches, 2 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5034 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5937occurred in iteration=13, InterpolantAutomatonStates: 165, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 13915 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 3286 NumberOfCodeBlocks, 3286 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 3099 ConstructedInterpolants, 0 QuantifiedInterpolants, 11302 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1160 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 18986/19228 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 [2024-12-02 07:20:51,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1 --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 b5f13d1ca047dbcfba4c64156e69d4d1e7e5e0ff8273386d7bb193153d05b386 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:20:53,822 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:20:53,911 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 07:20:53,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:20:53,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:20:53,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:20:53,943 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:20:53,943 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:20:53,943 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:20:53,943 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:20:53,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:20:53,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:20:53,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:20:53,944 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:20:53,944 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:20:53,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:20:53,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:20:53,944 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 07:20:53,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 07:20:53,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:20:53,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:20:53,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:20:53,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:20:53,945 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 07:20:53,945 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 07:20:53,945 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 07:20:53,945 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 07:20:53,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:20:53,945 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:20:53,945 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:20:53,945 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:20:53,946 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:20:53,946 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:20:53,946 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:20:53,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:20:53,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:20:53,946 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:20:53,946 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:20:53,946 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:20:53,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:20:53,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:20:53,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:20:53,946 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:20:53,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:20:53,947 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 07:20:53,947 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 07:20:53,947 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:20:53,948 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:20:53,948 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:20:53,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:20:53,948 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_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1 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 -> b5f13d1ca047dbcfba4c64156e69d4d1e7e5e0ff8273386d7bb193153d05b386 [2024-12-02 07:20:54,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:20:54,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:20:54,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:20:54,232 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:20:54,233 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:20:54,234 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-3.i [2024-12-02 07:20:57,023 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/data/d636badfd/07f85e9fbce646a6946c5d1f8644f316/FLAGbac3225ac [2024-12-02 07:20:57,208 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:20:57,209 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-3.i [2024-12-02 07:20:57,219 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/data/d636badfd/07f85e9fbce646a6946c5d1f8644f316/FLAGbac3225ac [2024-12-02 07:20:57,230 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/data/d636badfd/07f85e9fbce646a6946c5d1f8644f316 [2024-12-02 07:20:57,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:20:57,233 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:20:57,235 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:20:57,235 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:20:57,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:20:57,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:20:57" (1/1) ... [2024-12-02 07:20:57,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62db7778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:57, skipping insertion in model container [2024-12-02 07:20:57,240 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:20:57" (1/1) ... [2024-12-02 07:20:57,257 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:20:57,373 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_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-3.i[918,931] [2024-12-02 07:20:57,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:20:57,454 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:20:57,463 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_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-3.i[918,931] [2024-12-02 07:20:57,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:20:57,518 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:20:57,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:57 WrapperNode [2024-12-02 07:20:57,518 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:20:57,519 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:20:57,519 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:20:57,519 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:20:57,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:57" (1/1) ... [2024-12-02 07:20:57,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:57" (1/1) ... [2024-12-02 07:20:57,563 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2024-12-02 07:20:57,563 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:20:57,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:20:57,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:20:57,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:20:57,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:57" (1/1) ... [2024-12-02 07:20:57,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:57" (1/1) ... [2024-12-02 07:20:57,579 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:57" (1/1) ... [2024-12-02 07:20:57,592 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]. [2024-12-02 07:20:57,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:57" (1/1) ... [2024-12-02 07:20:57,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:57" (1/1) ... [2024-12-02 07:20:57,604 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:57" (1/1) ... [2024-12-02 07:20:57,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:57" (1/1) ... [2024-12-02 07:20:57,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:57" (1/1) ... [2024-12-02 07:20:57,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:57" (1/1) ... [2024-12-02 07:20:57,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:57" (1/1) ... [2024-12-02 07:20:57,617 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:20:57,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:20:57,618 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:20:57,618 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:20:57,619 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:57" (1/1) ... [2024-12-02 07:20:57,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:20:57,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:20:57,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:20:57,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:20:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:20:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 07:20:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 07:20:57,668 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 07:20:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:20:57,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:20:57,746 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:20:57,748 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:21:11,858 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-02 07:21:11,858 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:21:11,871 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:21:11,871 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 07:21:11,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:21:11 BoogieIcfgContainer [2024-12-02 07:21:11,871 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:21:11,874 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:21:11,874 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:21:11,880 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:21:11,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:20:57" (1/3) ... [2024-12-02 07:21:11,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24805ce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:21:11, skipping insertion in model container [2024-12-02 07:21:11,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:57" (2/3) ... [2024-12-02 07:21:11,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24805ce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:21:11, skipping insertion in model container [2024-12-02 07:21:11,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:21:11" (3/3) ... [2024-12-02 07:21:11,883 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-3.i [2024-12-02 07:21:11,897 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:21:11,898 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-3.i that has 2 procedures, 83 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 07:21:11,948 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:21:11,959 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;@802c9df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:21:11,960 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 07:21:11,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 57 states have (on average 1.5087719298245614) internal successors, (86), 58 states have internal predecessors, (86), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-02 07:21:11,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-12-02 07:21:11,977 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:21:11,977 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:21:11,978 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:21:11,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:21:11,983 INFO L85 PathProgramCache]: Analyzing trace with hash 704249866, now seen corresponding path program 1 times [2024-12-02 07:21:11,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:21:11,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331923084] [2024-12-02 07:21:11,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:21:11,995 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 [2024-12-02 07:21:11,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:21:11,998 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:21:11,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:21:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:21:13,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 07:21:13,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:21:16,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 07:21:16,102 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:21:16,102 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:21:16,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1331923084] [2024-12-02 07:21:16,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1331923084] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:21:16,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:21:16,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:21:16,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846220469] [2024-12-02 07:21:16,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:21:16,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:21:16,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:21:16,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:21:16,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:21:16,128 INFO L87 Difference]: Start difference. First operand has 83 states, 57 states have (on average 1.5087719298245614) internal successors, (86), 58 states have internal predecessors, (86), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:21:20,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:21:24,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:21:28,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:21:32,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:21:37,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:21:41,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:21:45,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:21:49,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:21:53,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:21:57,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:22:01,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:22:01,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:22:01,663 INFO L93 Difference]: Finished difference Result 235 states and 430 transitions. [2024-12-02 07:22:01,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:22:01,665 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 153 [2024-12-02 07:22:01,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:22:01,671 INFO L225 Difference]: With dead ends: 235 [2024-12-02 07:22:01,671 INFO L226 Difference]: Without dead ends: 155 [2024-12-02 07:22:01,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:22:01,675 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 42 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:22:01,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 360 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 10 Unknown, 0 Unchecked, 45.4s Time] [2024-12-02 07:22:01,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-12-02 07:22:01,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 153. [2024-12-02 07:22:01,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 104 states have (on average 1.4134615384615385) internal successors, (147), 104 states have internal predecessors, (147), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-12-02 07:22:01,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 239 transitions. [2024-12-02 07:22:01,722 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 239 transitions. Word has length 153 [2024-12-02 07:22:01,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:22:01,723 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 239 transitions. [2024-12-02 07:22:01,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:22:01,724 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 239 transitions. [2024-12-02 07:22:01,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-02 07:22:01,727 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:22:01,727 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:22:01,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 07:22:01,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:22:01,928 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:22:01,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:22:01,929 INFO L85 PathProgramCache]: Analyzing trace with hash 78163020, now seen corresponding path program 1 times [2024-12-02 07:22:01,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:22:01,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548165265] [2024-12-02 07:22:01,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:22:01,929 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 [2024-12-02 07:22:01,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:22:01,931 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:22:01,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:22:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:22:03,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 07:22:03,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:22:03,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 07:22:03,138 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:22:03,138 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:22:03,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548165265] [2024-12-02 07:22:03,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548165265] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:22:03,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:22:03,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:22:03,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584864854] [2024-12-02 07:22:03,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:22:03,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:22:03,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:22:03,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:22:03,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:22:03,140 INFO L87 Difference]: Start difference. First operand 153 states and 239 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:22:07,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:22:11,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:22:11,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:22:11,659 INFO L93 Difference]: Finished difference Result 347 states and 540 transitions. [2024-12-02 07:22:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:22:11,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 154 [2024-12-02 07:22:11,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:22:11,663 INFO L225 Difference]: With dead ends: 347 [2024-12-02 07:22:11,663 INFO L226 Difference]: Without dead ends: 197 [2024-12-02 07:22:11,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:22:11,665 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 29 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:22:11,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 232 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 16 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2024-12-02 07:22:11,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-12-02 07:22:11,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 172. [2024-12-02 07:22:11,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 123 states have (on average 1.4065040650406504) internal successors, (173), 123 states have internal predecessors, (173), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-12-02 07:22:11,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 265 transitions. [2024-12-02 07:22:11,688 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 265 transitions. Word has length 154 [2024-12-02 07:22:11,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:22:11,689 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 265 transitions. [2024-12-02 07:22:11,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:22:11,689 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 265 transitions. [2024-12-02 07:22:11,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-12-02 07:22:11,691 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:22:11,691 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:22:11,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:22:11,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:22:11,892 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:22:11,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:22:11,893 INFO L85 PathProgramCache]: Analyzing trace with hash -201775412, now seen corresponding path program 1 times [2024-12-02 07:22:11,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:22:11,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1448915404] [2024-12-02 07:22:11,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:22:11,894 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 [2024-12-02 07:22:11,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:22:11,895 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:22:11,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:22:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:22:13,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 07:22:13,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:22:13,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 07:22:13,215 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:22:13,215 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:22:13,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1448915404] [2024-12-02 07:22:13,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1448915404] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:22:13,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:22:13,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:22:13,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349837348] [2024-12-02 07:22:13,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:22:13,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:22:13,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:22:13,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:22:13,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:22:13,217 INFO L87 Difference]: Start difference. First operand 172 states and 265 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:22:17,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:22:21,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:22:21,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:22:21,712 INFO L93 Difference]: Finished difference Result 367 states and 562 transitions. [2024-12-02 07:22:21,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:22:21,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 155 [2024-12-02 07:22:21,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:22:21,715 INFO L225 Difference]: With dead ends: 367 [2024-12-02 07:22:21,715 INFO L226 Difference]: Without dead ends: 198 [2024-12-02 07:22:21,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:22:21,716 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 25 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:22:21,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 235 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2024-12-02 07:22:21,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-12-02 07:22:21,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 174. [2024-12-02 07:22:21,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 125 states have (on average 1.352) internal successors, (169), 125 states have internal predecessors, (169), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-12-02 07:22:21,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 261 transitions. [2024-12-02 07:22:21,736 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 261 transitions. Word has length 155 [2024-12-02 07:22:21,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:22:21,737 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 261 transitions. [2024-12-02 07:22:21,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:22:21,737 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 261 transitions. [2024-12-02 07:22:21,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 07:22:21,739 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:22:21,740 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:22:21,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 07:22:21,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:22:21,940 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:22:21,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:22:21,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1078963507, now seen corresponding path program 1 times [2024-12-02 07:22:21,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:22:21,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [190750690] [2024-12-02 07:22:21,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:22:21,942 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 [2024-12-02 07:22:21,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:22:21,943 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:22:21,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 07:22:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:22:23,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 07:22:23,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:22:28,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 07:22:28,566 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:22:28,566 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:22:28,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [190750690] [2024-12-02 07:22:28,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [190750690] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:22:28,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:22:28,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:22:28,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017938055] [2024-12-02 07:22:28,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:22:28,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:22:28,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:22:28,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:22:28,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:22:28,567 INFO L87 Difference]: Start difference. First operand 174 states and 261 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:22:33,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:22:37,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:22:41,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:22:46,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:22:50,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:22:50,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:22:50,022 INFO L93 Difference]: Finished difference Result 561 states and 837 transitions. [2024-12-02 07:22:50,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:22:50,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 156 [2024-12-02 07:22:50,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:22:50,111 INFO L225 Difference]: With dead ends: 561 [2024-12-02 07:22:50,111 INFO L226 Difference]: Without dead ends: 390 [2024-12-02 07:22:50,112 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:22:50,112 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 109 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 48 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:22:50,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 352 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 40 Invalid, 5 Unknown, 0 Unchecked, 21.3s Time] [2024-12-02 07:22:50,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-12-02 07:22:50,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 335. [2024-12-02 07:22:50,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 238 states have (on average 1.3361344537815125) internal successors, (318), 238 states have internal predecessors, (318), 92 states have call successors, (92), 4 states have call predecessors, (92), 4 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2024-12-02 07:22:50,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 502 transitions. [2024-12-02 07:22:50,156 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 502 transitions. Word has length 156 [2024-12-02 07:22:50,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:22:50,157 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 502 transitions. [2024-12-02 07:22:50,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:22:50,157 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 502 transitions. [2024-12-02 07:22:50,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 07:22:50,159 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:22:50,159 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:22:50,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 07:22:50,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:22:50,360 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:22:50,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:22:50,360 INFO L85 PathProgramCache]: Analyzing trace with hash 2100031861, now seen corresponding path program 1 times [2024-12-02 07:22:50,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:22:50,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [278538895] [2024-12-02 07:22:50,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:22:50,361 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 [2024-12-02 07:22:50,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:22:50,362 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:22:50,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-12-02 07:22:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:22:51,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 07:22:51,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:22:57,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 418 proven. 48 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2024-12-02 07:22:57,614 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:23:00,367 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:23:00,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [278538895] [2024-12-02 07:23:00,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [278538895] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:23:00,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [176732219] [2024-12-02 07:23:00,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:23:00,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:23:00,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:23:00,370 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:23:00,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-02 07:23:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:23:02,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 07:23:02,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:23:07,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 07:23:07,350 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:23:07,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [176732219] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:23:07,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:23:07,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2024-12-02 07:23:07,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520966458] [2024-12-02 07:23:07,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:23:07,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:23:07,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:23:07,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:23:07,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-12-02 07:23:07,352 INFO L87 Difference]: Start difference. First operand 335 states and 502 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:23:11,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:23:15,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:23:16,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:23:16,019 INFO L93 Difference]: Finished difference Result 999 states and 1500 transitions. [2024-12-02 07:23:16,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:23:16,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 156 [2024-12-02 07:23:16,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:23:16,023 INFO L225 Difference]: With dead ends: 999 [2024-12-02 07:23:16,023 INFO L226 Difference]: Without dead ends: 667 [2024-12-02 07:23:16,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 418 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-12-02 07:23:16,025 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 53 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:23:16,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 249 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2024-12-02 07:23:16,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2024-12-02 07:23:16,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 661. [2024-12-02 07:23:16,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 468 states have (on average 1.3333333333333333) internal successors, (624), 468 states have internal predecessors, (624), 184 states have call successors, (184), 8 states have call predecessors, (184), 8 states have return successors, (184), 184 states have call predecessors, (184), 184 states have call successors, (184) [2024-12-02 07:23:16,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 992 transitions. [2024-12-02 07:23:16,076 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 992 transitions. Word has length 156 [2024-12-02 07:23:16,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:23:16,076 INFO L471 AbstractCegarLoop]: Abstraction has 661 states and 992 transitions. [2024-12-02 07:23:16,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:23:16,077 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 992 transitions. [2024-12-02 07:23:16,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 07:23:16,078 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:23:16,078 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:23:16,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-02 07:23:16,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-12-02 07:23:16,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:23:16,479 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:23:16,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:23:16,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1966018355, now seen corresponding path program 1 times [2024-12-02 07:23:16,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:23:16,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [909472665] [2024-12-02 07:23:16,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:23:16,480 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 [2024-12-02 07:23:16,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:23:16,481 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:23:16,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-12-02 07:23:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:23:17,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 07:23:17,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:23:31,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 674 proven. 69 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-12-02 07:23:31,192 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:23:33,967 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:23:33,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [909472665] [2024-12-02 07:23:33,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [909472665] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:23:33,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1352887308] [2024-12-02 07:23:33,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:23:33,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:23:33,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:23:33,969 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:23:33,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-02 07:23:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:23:37,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 07:23:37,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:23:42,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 07:23:42,895 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:23:42,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1352887308] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:23:42,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:23:42,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2024-12-02 07:23:42,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431551510] [2024-12-02 07:23:42,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:23:42,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 07:23:42,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:23:42,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 07:23:42,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2024-12-02 07:23:42,897 INFO L87 Difference]: Start difference. First operand 661 states and 992 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:23:49,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:23:53,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:23:57,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:24:01,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:24:05,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:24:09,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:24:13,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:24:17,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:24:21,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:24:25,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:24:26,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:24:34,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:24:34,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:34,402 INFO L93 Difference]: Finished difference Result 1845 states and 2750 transitions. [2024-12-02 07:24:34,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 07:24:34,403 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 156 [2024-12-02 07:24:34,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:34,409 INFO L225 Difference]: With dead ends: 1845 [2024-12-02 07:24:34,409 INFO L226 Difference]: Without dead ends: 1187 [2024-12-02 07:24:34,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=162, Invalid=540, Unknown=0, NotChecked=0, Total=702 [2024-12-02 07:24:34,412 INFO L435 NwaCegarLoop]: 336 mSDtfsCounter, 276 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 47 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:24:34,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 994 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 370 Invalid, 11 Unknown, 0 Unchecked, 50.4s Time] [2024-12-02 07:24:34,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2024-12-02 07:24:34,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1065. [2024-12-02 07:24:34,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 752 states have (on average 1.3297872340425532) internal successors, (1000), 752 states have internal predecessors, (1000), 299 states have call successors, (299), 13 states have call predecessors, (299), 13 states have return successors, (299), 299 states have call predecessors, (299), 299 states have call successors, (299) [2024-12-02 07:24:34,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1598 transitions. [2024-12-02 07:24:34,523 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1598 transitions. Word has length 156 [2024-12-02 07:24:34,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:34,524 INFO L471 AbstractCegarLoop]: Abstraction has 1065 states and 1598 transitions. [2024-12-02 07:24:34,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:24:34,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1598 transitions. [2024-12-02 07:24:34,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 07:24:34,526 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:34,526 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:34,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-12-02 07:24:34,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-02 07:24:34,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 07:24:34,927 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:34,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:34,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1549672567, now seen corresponding path program 1 times [2024-12-02 07:24:34,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:24:34,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [488737876] [2024-12-02 07:24:34,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:34,927 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 [2024-12-02 07:24:34,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:24:34,929 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:24:34,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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 (10)] Waiting until timeout for monitored process [2024-12-02 07:24:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:35,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 07:24:35,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:24:40,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 07:24:40,969 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:24:40,969 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:24:40,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [488737876] [2024-12-02 07:24:40,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [488737876] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:24:40,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:24:40,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:24:40,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877484858] [2024-12-02 07:24:40,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:24:40,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:24:40,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:24:40,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:24:40,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:24:40,971 INFO L87 Difference]: Start difference. First operand 1065 states and 1598 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:24:45,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:24:49,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:24:53,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:24:57,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:24:57,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:24:57,742 INFO L93 Difference]: Finished difference Result 2300 states and 3453 transitions. [2024-12-02 07:24:57,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:24:57,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 157 [2024-12-02 07:24:57,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:24:57,746 INFO L225 Difference]: With dead ends: 2300 [2024-12-02 07:24:57,746 INFO L226 Difference]: Without dead ends: 1238 [2024-12-02 07:24:57,748 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:24:57,749 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 34 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:24:57,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 377 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 4 Unknown, 0 Unchecked, 16.6s Time] [2024-12-02 07:24:57,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2024-12-02 07:24:57,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 828. [2024-12-02 07:24:57,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 587 states have (on average 1.3304940374787053) internal successors, (781), 587 states have internal predecessors, (781), 230 states have call successors, (230), 10 states have call predecessors, (230), 10 states have return successors, (230), 230 states have call predecessors, (230), 230 states have call successors, (230) [2024-12-02 07:24:57,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1241 transitions. [2024-12-02 07:24:57,840 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1241 transitions. Word has length 157 [2024-12-02 07:24:57,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:24:57,840 INFO L471 AbstractCegarLoop]: Abstraction has 828 states and 1241 transitions. [2024-12-02 07:24:57,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:24:57,841 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1241 transitions. [2024-12-02 07:24:57,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 07:24:57,842 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:24:57,842 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:24:57,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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 (10)] Ended with exit code 0 [2024-12-02 07:24:58,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:24:58,042 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:24:58,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:24:58,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1820024870, now seen corresponding path program 1 times [2024-12-02 07:24:58,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:24:58,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [830264510] [2024-12-02 07:24:58,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:24:58,043 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 [2024-12-02 07:24:58,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:24:58,045 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:24:58,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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 (11)] Waiting until timeout for monitored process [2024-12-02 07:24:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:24:59,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 07:24:59,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:25:06,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 07:25:06,964 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:25:06,964 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:25:06,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [830264510] [2024-12-02 07:25:06,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [830264510] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:25:06,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:25:06,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:25:06,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106795221] [2024-12-02 07:25:06,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:25:06,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:25:06,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:25:06,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:25:06,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:25:06,966 INFO L87 Difference]: Start difference. First operand 828 states and 1241 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:25:11,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:25:15,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:25:17,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:25:21,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:25:26,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:25:30,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:25:32,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 07:25:32,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:25:32,638 INFO L93 Difference]: Finished difference Result 1983 states and 2966 transitions. [2024-12-02 07:25:32,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:25:32,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 157 [2024-12-02 07:25:32,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:25:32,666 INFO L225 Difference]: With dead ends: 1983 [2024-12-02 07:25:32,666 INFO L226 Difference]: Without dead ends: 1158 [2024-12-02 07:25:32,668 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:25:32,669 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 31 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:25:32,669 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 211 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 5 Unknown, 0 Unchecked, 25.6s Time] [2024-12-02 07:25:32,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2024-12-02 07:25:32,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1142. [2024-12-02 07:25:32,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1142 states, 805 states have (on average 1.3180124223602485) internal successors, (1061), 805 states have internal predecessors, (1061), 322 states have call successors, (322), 14 states have call predecessors, (322), 14 states have return successors, (322), 322 states have call predecessors, (322), 322 states have call successors, (322) [2024-12-02 07:25:32,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 1705 transitions. [2024-12-02 07:25:32,767 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 1705 transitions. Word has length 157 [2024-12-02 07:25:32,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:25:32,768 INFO L471 AbstractCegarLoop]: Abstraction has 1142 states and 1705 transitions. [2024-12-02 07:25:32,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 07:25:32,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1705 transitions. [2024-12-02 07:25:32,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 07:25:32,769 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:25:32,769 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:25:32,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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 (11)] Ended with exit code 0 [2024-12-02 07:25:32,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 07:25:32,970 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:25:32,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:25:32,970 INFO L85 PathProgramCache]: Analyzing trace with hash 581466685, now seen corresponding path program 1 times [2024-12-02 07:25:32,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:25:32,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [853867250] [2024-12-02 07:25:32,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:25:32,970 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 [2024-12-02 07:25:32,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:25:32,972 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 07:25:32,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb871ca3-3a2d-40ff-8ac6-ae1280c500e4/bin/uautomizer-verify-84ZbGMXZE1/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 (12)] Waiting until timeout for monitored process [2024-12-02 07:25:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:25:33,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 07:25:33,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:25:58,452 WARN L286 SmtUtils]: Spent 7.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:26:29,142 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_20~0)) (.cse1 ((_ sign_extend 24) c_~var_1_14~0))) (and (not (bvslt ((_ sign_extend 24) c_~var_1_5~0) .cse0)) (= ((_ zero_extend 8) c_~last_1_var_1_20~0) c_~var_1_6~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 49999999999998.0 5.0)) c_~var_1_17~0) (not (bvslt (bvadd (bvneg .cse0) .cse1) .cse0)) (= c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 41.0 5.0))) (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_17~0 c_~var_1_15~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 101.0 4.0)))) (let ((.cse4 (bvadd (bvneg .cse1) ((_ zero_extend 24) c_~var_1_21~0))) (.cse2 (bvadd ((_ zero_extend 24) c_~var_1_22~0) (_ bv8 32)))) (let ((.cse3 (bvsgt .cse4 .cse2))) (or (and (= ((_ extract 7 0) .cse2) c_~var_1_20~0) (not .cse3)) (and .cse3 (= ((_ extract 7 0) .cse4) c_~var_1_20~0))))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2024-12-02 07:26:33,198 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_20~0)) (.cse1 ((_ sign_extend 24) c_~var_1_14~0))) (and (not (bvslt ((_ sign_extend 24) c_~var_1_5~0) .cse0)) (= ((_ zero_extend 8) c_~last_1_var_1_20~0) c_~var_1_6~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 49999999999998.0 5.0)) c_~var_1_17~0) (not (bvslt (bvadd (bvneg .cse0) .cse1) .cse0)) (= c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 41.0 5.0))) (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_17~0 c_~var_1_15~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 101.0 4.0)))) (let ((.cse4 (bvadd (bvneg .cse1) ((_ zero_extend 24) c_~var_1_21~0))) (.cse2 (bvadd ((_ zero_extend 24) c_~var_1_22~0) (_ bv8 32)))) (let ((.cse3 (bvsgt .cse4 .cse2))) (or (and (= ((_ extract 7 0) .cse2) c_~var_1_20~0) (not .cse3)) (and .cse3 (= ((_ extract 7 0) .cse4) c_~var_1_20~0))))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2024-12-02 07:26:38,745 WARN L286 SmtUtils]: Spent 5.54s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:26:50,564 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:26:57,616 WARN L286 SmtUtils]: Spent 7.05s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:27:04,775 WARN L286 SmtUtils]: Spent 7.16s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:27:12,752 WARN L286 SmtUtils]: Spent 7.98s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:27:20,971 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:27:29,187 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:27:41,283 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:27:48,485 WARN L286 SmtUtils]: Spent 7.20s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:27:56,431 WARN L286 SmtUtils]: Spent 7.94s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:28:04,672 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:28:18,946 WARN L286 SmtUtils]: Spent 7.19s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:28:24,013 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:28:39,754 WARN L286 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:28:45,511 WARN L286 SmtUtils]: Spent 5.76s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:29:00,351 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_20~0)) (.cse1 ((_ sign_extend 24) c_~var_1_14~0))) (and (not (bvslt ((_ sign_extend 24) c_~var_1_5~0) .cse0)) (= ((_ zero_extend 8) c_~last_1_var_1_20~0) c_~var_1_6~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 49999999999998.0 5.0)) c_~var_1_17~0) (not (bvslt (bvadd (bvneg .cse0) .cse1) .cse0)) (= c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 41.0 5.0))) (not (= c_~var_1_3~0 (_ bv0 8))) (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_17~0 c_~var_1_15~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 101.0 4.0)))) (let ((.cse4 (bvadd (bvneg .cse1) ((_ zero_extend 24) c_~var_1_21~0))) (.cse2 (bvadd ((_ zero_extend 24) c_~var_1_22~0) (_ bv8 32)))) (let ((.cse3 (bvsgt .cse4 .cse2))) (or (and (= ((_ extract 7 0) .cse2) c_~var_1_20~0) (not .cse3)) (and .cse3 (= ((_ extract 7 0) .cse4) c_~var_1_20~0))))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2024-12-02 07:29:08,610 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:29:20,039 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:29:30,075 WARN L286 SmtUtils]: Spent 7.09s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:29:38,329 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:29:54,449 WARN L286 SmtUtils]: Spent 5.52s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:30:05,756 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:30:11,986 WARN L286 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:30:20,083 WARN L286 SmtUtils]: Spent 6.31s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:30:33,179 WARN L286 SmtUtils]: Spent 6.48s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:30:43,593 WARN L286 SmtUtils]: Spent 6.43s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:30:51,828 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:30:58,472 WARN L286 SmtUtils]: Spent 6.64s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:31:03,883 WARN L286 SmtUtils]: Spent 5.41s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:31:19,542 WARN L286 SmtUtils]: Spent 6.66s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:31:24,627 WARN L286 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:31:32,870 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:31:40,835 WARN L286 SmtUtils]: Spent 7.96s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:31:54,085 WARN L286 SmtUtils]: Spent 5.64s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:32:00,378 WARN L286 SmtUtils]: Spent 6.29s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:32:08,908 WARN L286 SmtUtils]: Spent 5.37s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:32:20,100 WARN L286 SmtUtils]: Spent 5.11s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:32:35,271 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:32:45,028 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:32:53,264 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:32:58,385 WARN L286 SmtUtils]: Spent 5.12s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:33:14,393 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 07:33:18,465 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_20~0)) (.cse1 ((_ sign_extend 24) c_~var_1_14~0))) (and (not (bvslt ((_ sign_extend 24) c_~var_1_5~0) .cse0)) (= ((_ zero_extend 8) c_~last_1_var_1_20~0) c_~var_1_6~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 49999999999998.0 5.0)) c_~var_1_17~0) (not (bvslt (bvadd (bvneg .cse0) .cse1) .cse0)) (= c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 41.0 5.0))) (= c_~var_1_10~0 (_ bv0 32)) (not (= c_~var_1_3~0 (_ bv0 8))) (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_17~0 c_~var_1_15~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 101.0 4.0)))) (let ((.cse4 (bvadd (bvneg .cse1) ((_ zero_extend 24) c_~var_1_21~0))) (.cse2 (bvadd ((_ zero_extend 24) c_~var_1_22~0) (_ bv8 32)))) (let ((.cse3 (bvsgt .cse4 .cse2))) (or (and (= ((_ extract 7 0) .cse2) c_~var_1_20~0) (not .cse3)) (and .cse3 (= ((_ extract 7 0) .cse4) c_~var_1_20~0))))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2024-12-02 07:33:22,532 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_20~0)) (.cse1 ((_ sign_extend 24) c_~var_1_14~0))) (and (not (bvslt ((_ sign_extend 24) c_~var_1_5~0) .cse0)) (= ((_ zero_extend 8) c_~last_1_var_1_20~0) c_~var_1_6~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 49999999999998.0 5.0)) c_~var_1_17~0) (not (bvslt (bvadd (bvneg .cse0) .cse1) .cse0)) (= c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 41.0 5.0))) (= c_~var_1_10~0 (_ bv0 32)) (not (= c_~var_1_3~0 (_ bv0 8))) (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_17~0 c_~var_1_15~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 101.0 4.0)))) (let ((.cse4 (bvadd (bvneg .cse1) ((_ zero_extend 24) c_~var_1_21~0))) (.cse2 (bvadd ((_ zero_extend 24) c_~var_1_22~0) (_ bv8 32)))) (let ((.cse3 (bvsgt .cse4 .cse2))) (or (and (= ((_ extract 7 0) .cse2) c_~var_1_20~0) (not .cse3)) (and .cse3 (= ((_ extract 7 0) .cse4) c_~var_1_20~0))))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true