./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.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_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 24eb6d8aed88d8ad0c0a7297311d178ed920bbbfb0b7ffdf6d456efc32725bc4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:38:28,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:38:28,327 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 23:38:28,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:38:28,338 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:38:28,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:38:28,393 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:38:28,394 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:38:28,394 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:38:28,395 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:38:28,395 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:38:28,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:38:28,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:38:28,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:38:28,397 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:38:28,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:38:28,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:38:28,397 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:38:28,398 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:38:28,398 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:38:28,398 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:38:28,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:38:28,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:38:28,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:38:28,398 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:38:28,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:38:28,398 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:38:28,398 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:38:28,399 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:38:28,399 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:38:28,400 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:38:28,400 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:38:28,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:38:28,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:38:28,401 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:38:28,401 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:38:28,401 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:38:28,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:38:28,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:38:28,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:38:28,402 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:38:28,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:38:28,402 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:38:28,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:38:28,403 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:38:28,403 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:38:28,403 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:38:28,403 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:38:28,403 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_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24eb6d8aed88d8ad0c0a7297311d178ed920bbbfb0b7ffdf6d456efc32725bc4 [2024-11-27 23:38:28,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:38:28,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:38:28,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:38:28,857 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:38:28,858 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:38:28,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i [2024-11-27 23:38:32,230 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/data/9c99ed638/7e57a6bfaf0749f5aa249b13c9cfcf1a/FLAG44366d84a [2024-11-27 23:38:32,697 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:38:32,698 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i [2024-11-27 23:38:32,716 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/data/9c99ed638/7e57a6bfaf0749f5aa249b13c9cfcf1a/FLAG44366d84a [2024-11-27 23:38:32,744 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/data/9c99ed638/7e57a6bfaf0749f5aa249b13c9cfcf1a [2024-11-27 23:38:32,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:38:32,749 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:38:32,753 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:38:32,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:38:32,761 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:38:32,762 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:38:32" (1/1) ... [2024-11-27 23:38:32,765 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a7f97d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:32, skipping insertion in model container [2024-11-27 23:38:32,765 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:38:32" (1/1) ... [2024-11-27 23:38:32,803 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:38:33,031 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_aecdd9f8-31d9-4251-bc83-21ffc51c1816/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i[916,929] [2024-11-27 23:38:33,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:38:33,127 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:38:33,141 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_aecdd9f8-31d9-4251-bc83-21ffc51c1816/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i[916,929] [2024-11-27 23:38:33,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:38:33,201 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:38:33,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:33 WrapperNode [2024-11-27 23:38:33,202 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:38:33,203 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:38:33,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:38:33,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:38:33,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:33" (1/1) ... [2024-11-27 23:38:33,234 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:33" (1/1) ... [2024-11-27 23:38:33,309 INFO L138 Inliner]: procedures = 29, calls = 147, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 497 [2024-11-27 23:38:33,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:38:33,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:38:33,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:38:33,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:38:33,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:33" (1/1) ... [2024-11-27 23:38:33,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:33" (1/1) ... [2024-11-27 23:38:33,341 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:33" (1/1) ... [2024-11-27 23:38:33,398 INFO L175 MemorySlicer]: Split 115 memory accesses to 13 slices as follows [2, 5, 6, 23, 8, 3, 12, 14, 12, 12, 6, 3, 9]. 20 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 15 writes are split as follows [0, 2, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1]. [2024-11-27 23:38:33,398 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:33" (1/1) ... [2024-11-27 23:38:33,398 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:33" (1/1) ... [2024-11-27 23:38:33,432 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:33" (1/1) ... [2024-11-27 23:38:33,438 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:33" (1/1) ... [2024-11-27 23:38:33,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:33" (1/1) ... [2024-11-27 23:38:33,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:33" (1/1) ... [2024-11-27 23:38:33,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:33" (1/1) ... [2024-11-27 23:38:33,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:38:33,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:38:33,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:38:33,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:38:33,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:33" (1/1) ... [2024-11-27 23:38:33,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:38:33,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:33,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:38:33,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:38:33,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:38:33,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-27 23:38:33,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-27 23:38:33,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-27 23:38:33,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-27 23:38:33,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-27 23:38:33,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-27 23:38:33,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-27 23:38:33,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-27 23:38:33,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-27 23:38:33,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-27 23:38:33,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-27 23:38:33,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-27 23:38:33,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-27 23:38:33,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 23:38:33,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 23:38:33,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 23:38:33,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 23:38:33,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 23:38:33,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 23:38:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 23:38:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 23:38:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 23:38:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 23:38:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 23:38:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-27 23:38:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-27 23:38:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-27 23:38:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-27 23:38:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-27 23:38:33,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-27 23:38:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-27 23:38:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-27 23:38:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-27 23:38:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-27 23:38:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-27 23:38:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-27 23:38:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-27 23:38:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-27 23:38:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-27 23:38:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 23:38:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 23:38:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 23:38:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 23:38:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 23:38:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 23:38:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 23:38:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 23:38:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 23:38:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 23:38:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 23:38:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-27 23:38:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-27 23:38:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-27 23:38:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-27 23:38:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-27 23:38:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-27 23:38:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-27 23:38:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-27 23:38:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-27 23:38:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-27 23:38:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-27 23:38:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-27 23:38:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-27 23:38:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-27 23:38:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-27 23:38:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:38:33,577 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:38:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:38:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 23:38:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 23:38:33,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 23:38:33,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 23:38:33,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 23:38:33,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 23:38:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 23:38:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 23:38:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 23:38:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 23:38:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-27 23:38:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-27 23:38:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:38:33,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:38:33,937 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:38:33,939 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:38:34,846 INFO L? ?]: Removed 138 outVars from TransFormulas that were not future-live. [2024-11-27 23:38:34,846 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:38:34,861 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:38:34,861 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:38:34,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:38:34 BoogieIcfgContainer [2024-11-27 23:38:34,862 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:38:34,866 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:38:34,866 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:38:34,872 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:38:34,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:38:32" (1/3) ... [2024-11-27 23:38:34,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c8edbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:38:34, skipping insertion in model container [2024-11-27 23:38:34,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:38:33" (2/3) ... [2024-11-27 23:38:34,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c8edbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:38:34, skipping insertion in model container [2024-11-27 23:38:34,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:38:34" (3/3) ... [2024-11-27 23:38:34,876 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-33.i [2024-11-27 23:38:34,896 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:38:34,898 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-33.i that has 2 procedures, 107 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 23:38:35,001 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:38:35,023 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;@1c09f6bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:38:35,024 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:38:35,030 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 95 states have (on average 1.4736842105263157) internal successors, (140), 96 states have internal predecessors, (140), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-27 23:38:35,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-27 23:38:35,046 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:35,047 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:35,048 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:35,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:35,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1099803334, now seen corresponding path program 1 times [2024-11-27 23:38:35,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:35,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903200531] [2024-11-27 23:38:35,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:35,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:35,666 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-27 23:38:35,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:35,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903200531] [2024-11-27 23:38:35,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903200531] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:35,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058278743] [2024-11-27 23:38:35,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:35,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:35,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:35,670 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:35,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:38:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:36,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:38:36,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:36,206 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-27 23:38:36,207 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:38:36,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058278743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:36,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:38:36,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 23:38:36,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132337438] [2024-11-27 23:38:36,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:36,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:38:36,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:36,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:38:36,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:38:36,253 INFO L87 Difference]: Start difference. First operand has 107 states, 95 states have (on average 1.4736842105263157) internal successors, (140), 96 states have internal predecessors, (140), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:38:36,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:36,304 INFO L93 Difference]: Finished difference Result 207 states and 319 transitions. [2024-11-27 23:38:36,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:38:36,307 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2024-11-27 23:38:36,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:36,318 INFO L225 Difference]: With dead ends: 207 [2024-11-27 23:38:36,319 INFO L226 Difference]: Without dead ends: 103 [2024-11-27 23:38:36,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:38:36,335 INFO L435 NwaCegarLoop]: 151 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, 151 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:36,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:38:36,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-27 23:38:36,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-27 23:38:36,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 92 states have (on average 1.4456521739130435) internal successors, (133), 92 states have internal predecessors, (133), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-27 23:38:36,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 151 transitions. [2024-11-27 23:38:36,406 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 151 transitions. Word has length 98 [2024-11-27 23:38:36,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:36,406 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 151 transitions. [2024-11-27 23:38:36,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:38:36,407 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 151 transitions. [2024-11-27 23:38:36,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-27 23:38:36,414 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:36,415 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:36,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 23:38:36,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 23:38:36,616 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:36,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:36,616 INFO L85 PathProgramCache]: Analyzing trace with hash -990224056, now seen corresponding path program 1 times [2024-11-27 23:38:36,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:36,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042062738] [2024-11-27 23:38:36,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:36,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:37,279 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:38:37,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:37,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042062738] [2024-11-27 23:38:37,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042062738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:37,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:37,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:38:37,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101383116] [2024-11-27 23:38:37,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:37,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:38:37,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:37,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:38:37,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:38:37,285 INFO L87 Difference]: Start difference. First operand 103 states and 151 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:38:37,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:37,368 INFO L93 Difference]: Finished difference Result 205 states and 302 transitions. [2024-11-27 23:38:37,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:38:37,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2024-11-27 23:38:37,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:37,371 INFO L225 Difference]: With dead ends: 205 [2024-11-27 23:38:37,371 INFO L226 Difference]: Without dead ends: 105 [2024-11-27 23:38:37,372 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:38:37,373 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:37,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 436 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:38:37,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-27 23:38:37,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-11-27 23:38:37,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 94 states have (on average 1.4361702127659575) internal successors, (135), 94 states have internal predecessors, (135), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-27 23:38:37,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 153 transitions. [2024-11-27 23:38:37,388 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 153 transitions. Word has length 98 [2024-11-27 23:38:37,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:37,390 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 153 transitions. [2024-11-27 23:38:37,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:38:37,391 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 153 transitions. [2024-11-27 23:38:37,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-27 23:38:37,393 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:37,394 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:37,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:38:37,394 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:37,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:37,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1038362054, now seen corresponding path program 1 times [2024-11-27 23:38:37,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:37,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514474112] [2024-11-27 23:38:37,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:37,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:37,921 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:38:37,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:37,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514474112] [2024-11-27 23:38:37,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514474112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:37,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:37,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:38:37,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359900889] [2024-11-27 23:38:37,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:37,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:38:37,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:37,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:38:37,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:38:37,927 INFO L87 Difference]: Start difference. First operand 105 states and 153 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:37,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:37,999 INFO L93 Difference]: Finished difference Result 210 states and 307 transitions. [2024-11-27 23:38:38,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:38:38,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 98 [2024-11-27 23:38:38,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:38,006 INFO L225 Difference]: With dead ends: 210 [2024-11-27 23:38:38,006 INFO L226 Difference]: Without dead ends: 108 [2024-11-27 23:38:38,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:38:38,011 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 1 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:38,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 433 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:38:38,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-27 23:38:38,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2024-11-27 23:38:38,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 96 states have (on average 1.4270833333333333) internal successors, (137), 96 states have internal predecessors, (137), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-27 23:38:38,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2024-11-27 23:38:38,035 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 98 [2024-11-27 23:38:38,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:38,040 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2024-11-27 23:38:38,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:38,041 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2024-11-27 23:38:38,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-27 23:38:38,046 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:38,046 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:38,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:38:38,046 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:38,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:38,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1481597880, now seen corresponding path program 1 times [2024-11-27 23:38:38,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:38,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24367450] [2024-11-27 23:38:38,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:38,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:38,426 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:38:38,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:38,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24367450] [2024-11-27 23:38:38,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24367450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:38,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:38,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:38:38,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584325047] [2024-11-27 23:38:38,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:38,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:38:38,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:38,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:38:38,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:38:38,435 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:38,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:38,485 INFO L93 Difference]: Finished difference Result 214 states and 311 transitions. [2024-11-27 23:38:38,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:38:38,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 98 [2024-11-27 23:38:38,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:38,495 INFO L225 Difference]: With dead ends: 214 [2024-11-27 23:38:38,498 INFO L226 Difference]: Without dead ends: 110 [2024-11-27 23:38:38,499 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:38:38,500 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 1 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:38,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 436 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:38:38,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-27 23:38:38,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 109. [2024-11-27 23:38:38,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 98 states have (on average 1.4183673469387754) internal successors, (139), 98 states have internal predecessors, (139), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-27 23:38:38,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 157 transitions. [2024-11-27 23:38:38,522 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 157 transitions. Word has length 98 [2024-11-27 23:38:38,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:38,522 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 157 transitions. [2024-11-27 23:38:38,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:38,526 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 157 transitions. [2024-11-27 23:38:38,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-27 23:38:38,532 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:38,532 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:38,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:38:38,533 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:38,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:38,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1479750838, now seen corresponding path program 1 times [2024-11-27 23:38:38,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:38,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37991815] [2024-11-27 23:38:38,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:38,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:39,949 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-27 23:38:39,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:39,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37991815] [2024-11-27 23:38:39,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37991815] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:39,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852730662] [2024-11-27 23:38:39,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:39,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:39,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:39,954 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:39,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:38:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:40,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 23:38:40,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:40,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-27 23:38:40,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-27 23:38:40,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-27 23:38:41,001 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-27 23:38:41,001 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:38:41,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2024-11-27 23:38:41,529 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-27 23:38:41,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852730662] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:38:41,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:38:41,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2024-11-27 23:38:41,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519745697] [2024-11-27 23:38:41,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:38:41,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-27 23:38:41,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:41,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-27 23:38:41,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:38:41,532 INFO L87 Difference]: Start difference. First operand 109 states and 157 transitions. Second operand has 22 states, 19 states have (on average 6.0) internal successors, (114), 21 states have internal predecessors, (114), 6 states have call successors, (27), 3 states have call predecessors, (27), 5 states have return successors, (27), 3 states have call predecessors, (27), 6 states have call successors, (27) [2024-11-27 23:38:42,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:42,575 INFO L93 Difference]: Finished difference Result 330 states and 473 transitions. [2024-11-27 23:38:42,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 23:38:42,576 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 19 states have (on average 6.0) internal successors, (114), 21 states have internal predecessors, (114), 6 states have call successors, (27), 3 states have call predecessors, (27), 5 states have return successors, (27), 3 states have call predecessors, (27), 6 states have call successors, (27) Word has length 98 [2024-11-27 23:38:42,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:42,578 INFO L225 Difference]: With dead ends: 330 [2024-11-27 23:38:42,578 INFO L226 Difference]: Without dead ends: 224 [2024-11-27 23:38:42,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=250, Invalid=872, Unknown=0, NotChecked=0, Total=1122 [2024-11-27 23:38:42,581 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 521 mSDsluCounter, 1595 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 1727 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:42,581 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 1727 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 23:38:42,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-27 23:38:42,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 156. [2024-11-27 23:38:42,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 134 states have (on average 1.373134328358209) internal successors, (184), 134 states have internal predecessors, (184), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-27 23:38:42,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 220 transitions. [2024-11-27 23:38:42,607 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 220 transitions. Word has length 98 [2024-11-27 23:38:42,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:42,608 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 220 transitions. [2024-11-27 23:38:42,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 19 states have (on average 6.0) internal successors, (114), 21 states have internal predecessors, (114), 6 states have call successors, (27), 3 states have call predecessors, (27), 5 states have return successors, (27), 3 states have call predecessors, (27), 6 states have call successors, (27) [2024-11-27 23:38:42,608 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 220 transitions. [2024-11-27 23:38:42,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-27 23:38:42,610 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:42,610 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:42,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 23:38:42,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:42,814 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:42,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:42,815 INFO L85 PathProgramCache]: Analyzing trace with hash -93547444, now seen corresponding path program 1 times [2024-11-27 23:38:42,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:42,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642365498] [2024-11-27 23:38:42,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:42,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:45,207 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:38:45,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:45,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642365498] [2024-11-27 23:38:45,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642365498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:45,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:45,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 23:38:45,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831855017] [2024-11-27 23:38:45,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:45,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:38:45,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:45,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:38:45,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:38:45,210 INFO L87 Difference]: Start difference. First operand 156 states and 220 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:45,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:45,647 INFO L93 Difference]: Finished difference Result 476 states and 685 transitions. [2024-11-27 23:38:45,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:38:45,647 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 98 [2024-11-27 23:38:45,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:45,650 INFO L225 Difference]: With dead ends: 476 [2024-11-27 23:38:45,650 INFO L226 Difference]: Without dead ends: 370 [2024-11-27 23:38:45,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:38:45,651 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 250 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:45,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 993 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:38:45,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-27 23:38:45,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 279. [2024-11-27 23:38:45,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 247 states have (on average 1.408906882591093) internal successors, (348), 247 states have internal predecessors, (348), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:38:45,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 402 transitions. [2024-11-27 23:38:45,699 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 402 transitions. Word has length 98 [2024-11-27 23:38:45,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:45,700 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 402 transitions. [2024-11-27 23:38:45,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:45,703 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 402 transitions. [2024-11-27 23:38:45,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-27 23:38:45,704 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:45,704 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:45,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:38:45,704 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:45,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:45,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1186316234, now seen corresponding path program 1 times [2024-11-27 23:38:45,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:45,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910922928] [2024-11-27 23:38:45,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:45,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:46,137 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:38:46,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:46,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910922928] [2024-11-27 23:38:46,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910922928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:46,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:46,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:38:46,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309154140] [2024-11-27 23:38:46,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:46,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:38:46,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:46,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:38:46,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:38:46,140 INFO L87 Difference]: Start difference. First operand 279 states and 402 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:46,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:46,408 INFO L93 Difference]: Finished difference Result 516 states and 749 transitions. [2024-11-27 23:38:46,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:38:46,412 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 98 [2024-11-27 23:38:46,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:46,419 INFO L225 Difference]: With dead ends: 516 [2024-11-27 23:38:46,419 INFO L226 Difference]: Without dead ends: 287 [2024-11-27 23:38:46,420 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:38:46,421 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 141 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:46,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 662 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:38:46,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-27 23:38:46,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 285. [2024-11-27 23:38:46,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 253 states have (on average 1.3992094861660078) internal successors, (354), 253 states have internal predecessors, (354), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:38:46,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 408 transitions. [2024-11-27 23:38:46,472 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 408 transitions. Word has length 98 [2024-11-27 23:38:46,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:46,472 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 408 transitions. [2024-11-27 23:38:46,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:46,472 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 408 transitions. [2024-11-27 23:38:46,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-27 23:38:46,477 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:46,477 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:46,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:38:46,477 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:46,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:46,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1711890890, now seen corresponding path program 1 times [2024-11-27 23:38:46,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:46,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398776468] [2024-11-27 23:38:46,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:46,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:46,885 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:38:46,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:46,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398776468] [2024-11-27 23:38:46,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398776468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:46,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:46,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:38:46,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756944026] [2024-11-27 23:38:46,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:46,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:38:46,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:46,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:38:46,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:38:46,888 INFO L87 Difference]: Start difference. First operand 285 states and 408 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:47,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:47,121 INFO L93 Difference]: Finished difference Result 526 states and 758 transitions. [2024-11-27 23:38:47,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:38:47,123 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 98 [2024-11-27 23:38:47,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:47,125 INFO L225 Difference]: With dead ends: 526 [2024-11-27 23:38:47,125 INFO L226 Difference]: Without dead ends: 291 [2024-11-27 23:38:47,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:38:47,129 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 144 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:47,129 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 528 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:38:47,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-27 23:38:47,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 289. [2024-11-27 23:38:47,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 257 states have (on average 1.3929961089494163) internal successors, (358), 257 states have internal predecessors, (358), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:38:47,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 412 transitions. [2024-11-27 23:38:47,164 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 412 transitions. Word has length 98 [2024-11-27 23:38:47,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:47,165 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 412 transitions. [2024-11-27 23:38:47,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:47,165 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 412 transitions. [2024-11-27 23:38:47,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-27 23:38:47,167 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:47,167 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:47,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 23:38:47,168 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:47,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:47,168 INFO L85 PathProgramCache]: Analyzing trace with hash 981494475, now seen corresponding path program 1 times [2024-11-27 23:38:47,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:47,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314367800] [2024-11-27 23:38:47,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:47,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:47,348 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:38:47,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:47,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314367800] [2024-11-27 23:38:47,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314367800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:47,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:47,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:38:47,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199495051] [2024-11-27 23:38:47,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:47,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:38:47,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:47,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:38:47,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:38:47,352 INFO L87 Difference]: Start difference. First operand 289 states and 412 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:47,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:47,583 INFO L93 Difference]: Finished difference Result 722 states and 1034 transitions. [2024-11-27 23:38:47,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:38:47,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 99 [2024-11-27 23:38:47,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:47,589 INFO L225 Difference]: With dead ends: 722 [2024-11-27 23:38:47,589 INFO L226 Difference]: Without dead ends: 483 [2024-11-27 23:38:47,590 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:38:47,591 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 126 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:47,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 809 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:38:47,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-27 23:38:47,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 317. [2024-11-27 23:38:47,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 285 states have (on average 1.3964912280701753) internal successors, (398), 285 states have internal predecessors, (398), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:38:47,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 452 transitions. [2024-11-27 23:38:47,624 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 452 transitions. Word has length 99 [2024-11-27 23:38:47,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:47,625 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 452 transitions. [2024-11-27 23:38:47,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:47,625 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 452 transitions. [2024-11-27 23:38:47,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-27 23:38:47,627 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:47,627 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:47,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 23:38:47,627 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:47,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:47,627 INFO L85 PathProgramCache]: Analyzing trace with hash -2102007732, now seen corresponding path program 1 times [2024-11-27 23:38:47,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:47,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868308406] [2024-11-27 23:38:47,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:47,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:47,810 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:38:47,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:47,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868308406] [2024-11-27 23:38:47,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868308406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:47,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:47,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:38:47,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324645566] [2024-11-27 23:38:47,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:47,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:38:47,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:47,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:38:47,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:38:47,813 INFO L87 Difference]: Start difference. First operand 317 states and 452 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:48,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:48,039 INFO L93 Difference]: Finished difference Result 750 states and 1072 transitions. [2024-11-27 23:38:48,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:38:48,040 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 99 [2024-11-27 23:38:48,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:48,043 INFO L225 Difference]: With dead ends: 750 [2024-11-27 23:38:48,044 INFO L226 Difference]: Without dead ends: 483 [2024-11-27 23:38:48,045 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:38:48,045 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 142 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:48,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 676 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:38:48,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-27 23:38:48,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 317. [2024-11-27 23:38:48,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 285 states have (on average 1.3859649122807018) internal successors, (395), 285 states have internal predecessors, (395), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:38:48,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 449 transitions. [2024-11-27 23:38:48,097 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 449 transitions. Word has length 99 [2024-11-27 23:38:48,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:48,098 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 449 transitions. [2024-11-27 23:38:48,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:48,098 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 449 transitions. [2024-11-27 23:38:48,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-27 23:38:48,099 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:48,100 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:48,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 23:38:48,102 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:48,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:48,102 INFO L85 PathProgramCache]: Analyzing trace with hash 291706119, now seen corresponding path program 1 times [2024-11-27 23:38:48,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:48,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95203816] [2024-11-27 23:38:48,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:48,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:48,339 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:38:48,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:48,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95203816] [2024-11-27 23:38:48,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95203816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:48,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:48,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:38:48,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930283485] [2024-11-27 23:38:48,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:48,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:38:48,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:48,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:38:48,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:38:48,341 INFO L87 Difference]: Start difference. First operand 317 states and 449 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:48,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:48,415 INFO L93 Difference]: Finished difference Result 666 states and 949 transitions. [2024-11-27 23:38:48,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:38:48,416 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 100 [2024-11-27 23:38:48,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:48,418 INFO L225 Difference]: With dead ends: 666 [2024-11-27 23:38:48,418 INFO L226 Difference]: Without dead ends: 399 [2024-11-27 23:38:48,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:38:48,421 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 75 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:48,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 569 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:38:48,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-27 23:38:48,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 365. [2024-11-27 23:38:48,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 333 states have (on average 1.3933933933933933) internal successors, (464), 333 states have internal predecessors, (464), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:38:48,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 518 transitions. [2024-11-27 23:38:48,466 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 518 transitions. Word has length 100 [2024-11-27 23:38:48,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:48,466 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 518 transitions. [2024-11-27 23:38:48,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:48,467 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 518 transitions. [2024-11-27 23:38:48,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-27 23:38:48,468 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:48,468 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:48,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 23:38:48,468 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:48,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:48,469 INFO L85 PathProgramCache]: Analyzing trace with hash -719411131, now seen corresponding path program 1 times [2024-11-27 23:38:48,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:48,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816413543] [2024-11-27 23:38:48,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:48,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:48,688 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-27 23:38:48,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:48,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816413543] [2024-11-27 23:38:48,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816413543] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:38:48,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127310385] [2024-11-27 23:38:48,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:48,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:38:48,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:38:48,691 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:38:48,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 23:38:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:48,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:38:48,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:38:49,017 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:38:49,018 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:38:49,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127310385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:49,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:38:49,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-27 23:38:49,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842137044] [2024-11-27 23:38:49,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:49,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:38:49,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:49,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:38:49,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:38:49,021 INFO L87 Difference]: Start difference. First operand 365 states and 518 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:49,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:49,073 INFO L93 Difference]: Finished difference Result 685 states and 977 transitions. [2024-11-27 23:38:49,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:38:49,074 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 100 [2024-11-27 23:38:49,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:49,076 INFO L225 Difference]: With dead ends: 685 [2024-11-27 23:38:49,076 INFO L226 Difference]: Without dead ends: 370 [2024-11-27 23:38:49,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:38:49,079 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:49,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 575 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:38:49,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-27 23:38:49,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2024-11-27 23:38:49,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 338 states have (on average 1.3875739644970415) internal successors, (469), 338 states have internal predecessors, (469), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:38:49,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 523 transitions. [2024-11-27 23:38:49,110 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 523 transitions. Word has length 100 [2024-11-27 23:38:49,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:49,111 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 523 transitions. [2024-11-27 23:38:49,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:49,112 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 523 transitions. [2024-11-27 23:38:49,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-27 23:38:49,113 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:49,113 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:49,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 23:38:49,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-27 23:38:49,314 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:49,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:49,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1285245815, now seen corresponding path program 1 times [2024-11-27 23:38:49,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:49,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145536947] [2024-11-27 23:38:49,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:49,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:49,842 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:38:49,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:49,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145536947] [2024-11-27 23:38:49,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145536947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:49,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:49,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 23:38:49,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422399957] [2024-11-27 23:38:49,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:49,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 23:38:49,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:49,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 23:38:49,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:38:49,845 INFO L87 Difference]: Start difference. First operand 370 states and 523 transitions. Second operand has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:51,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:51,245 INFO L93 Difference]: Finished difference Result 1157 states and 1643 transitions. [2024-11-27 23:38:51,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 23:38:51,246 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 100 [2024-11-27 23:38:51,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:51,252 INFO L225 Difference]: With dead ends: 1157 [2024-11-27 23:38:51,252 INFO L226 Difference]: Without dead ends: 837 [2024-11-27 23:38:51,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=388, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:38:51,255 INFO L435 NwaCegarLoop]: 285 mSDtfsCounter, 378 mSDsluCounter, 2492 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 2777 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:51,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 2777 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 23:38:51,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2024-11-27 23:38:51,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 415. [2024-11-27 23:38:51,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 383 states have (on average 1.412532637075718) internal successors, (541), 383 states have internal predecessors, (541), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:38:51,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 595 transitions. [2024-11-27 23:38:51,348 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 595 transitions. Word has length 100 [2024-11-27 23:38:51,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:51,348 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 595 transitions. [2024-11-27 23:38:51,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:51,349 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 595 transitions. [2024-11-27 23:38:51,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-27 23:38:51,353 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:51,353 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:51,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 23:38:51,354 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:51,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:51,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1863871309, now seen corresponding path program 1 times [2024-11-27 23:38:51,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:51,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225896990] [2024-11-27 23:38:51,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:51,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:51,994 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:38:51,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:51,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225896990] [2024-11-27 23:38:51,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225896990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:51,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:51,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 23:38:51,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968837489] [2024-11-27 23:38:51,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:51,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 23:38:51,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:51,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 23:38:51,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:38:51,997 INFO L87 Difference]: Start difference. First operand 415 states and 595 transitions. Second operand has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:53,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:53,188 INFO L93 Difference]: Finished difference Result 1231 states and 1768 transitions. [2024-11-27 23:38:53,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 23:38:53,189 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 100 [2024-11-27 23:38:53,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:53,195 INFO L225 Difference]: With dead ends: 1231 [2024-11-27 23:38:53,195 INFO L226 Difference]: Without dead ends: 866 [2024-11-27 23:38:53,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2024-11-27 23:38:53,197 INFO L435 NwaCegarLoop]: 229 mSDtfsCounter, 470 mSDsluCounter, 1677 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 1906 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:53,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 1906 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 23:38:53,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2024-11-27 23:38:53,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 463. [2024-11-27 23:38:53,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 431 states have (on average 1.4222737819025522) internal successors, (613), 431 states have internal predecessors, (613), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:38:53,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 667 transitions. [2024-11-27 23:38:53,250 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 667 transitions. Word has length 100 [2024-11-27 23:38:53,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:53,250 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 667 transitions. [2024-11-27 23:38:53,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:53,251 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 667 transitions. [2024-11-27 23:38:53,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-27 23:38:53,254 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:53,255 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:53,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 23:38:53,255 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:53,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:53,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1151232309, now seen corresponding path program 1 times [2024-11-27 23:38:53,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:53,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528139990] [2024-11-27 23:38:53,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:53,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:53,513 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:38:53,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:53,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528139990] [2024-11-27 23:38:53,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528139990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:53,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:53,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:38:53,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610622795] [2024-11-27 23:38:53,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:53,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:38:53,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:53,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:38:53,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:38:53,515 INFO L87 Difference]: Start difference. First operand 463 states and 667 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:53,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:53,628 INFO L93 Difference]: Finished difference Result 1132 states and 1631 transitions. [2024-11-27 23:38:53,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:38:53,629 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 100 [2024-11-27 23:38:53,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:53,633 INFO L225 Difference]: With dead ends: 1132 [2024-11-27 23:38:53,634 INFO L226 Difference]: Without dead ends: 719 [2024-11-27 23:38:53,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:38:53,637 INFO L435 NwaCegarLoop]: 291 mSDtfsCounter, 139 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:53,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 997 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:38:53,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-11-27 23:38:53,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 501. [2024-11-27 23:38:53,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 469 states have (on average 1.4264392324093818) internal successors, (669), 469 states have internal predecessors, (669), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:38:53,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 723 transitions. [2024-11-27 23:38:53,685 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 723 transitions. Word has length 100 [2024-11-27 23:38:53,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:53,685 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 723 transitions. [2024-11-27 23:38:53,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:53,685 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 723 transitions. [2024-11-27 23:38:53,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-27 23:38:53,687 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:53,687 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:53,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 23:38:53,687 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:53,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:53,688 INFO L85 PathProgramCache]: Analyzing trace with hash -54842628, now seen corresponding path program 1 times [2024-11-27 23:38:53,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:53,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227338958] [2024-11-27 23:38:53,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:53,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:54,105 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:38:54,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:54,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227338958] [2024-11-27 23:38:54,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227338958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:54,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:54,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-27 23:38:54,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122750680] [2024-11-27 23:38:54,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:54,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:38:54,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:54,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:38:54,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:38:54,107 INFO L87 Difference]: Start difference. First operand 501 states and 723 transitions. Second operand has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:55,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:55,283 INFO L93 Difference]: Finished difference Result 1611 states and 2322 transitions. [2024-11-27 23:38:55,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 23:38:55,284 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-11-27 23:38:55,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:55,293 INFO L225 Difference]: With dead ends: 1611 [2024-11-27 23:38:55,293 INFO L226 Difference]: Without dead ends: 1160 [2024-11-27 23:38:55,294 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-27 23:38:55,296 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 425 mSDsluCounter, 1514 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 1710 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:55,297 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 1710 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 23:38:55,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-11-27 23:38:55,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 579. [2024-11-27 23:38:55,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 547 states have (on average 1.453382084095064) internal successors, (795), 547 states have internal predecessors, (795), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:38:55,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 849 transitions. [2024-11-27 23:38:55,356 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 849 transitions. Word has length 101 [2024-11-27 23:38:55,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:55,357 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 849 transitions. [2024-11-27 23:38:55,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:55,358 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 849 transitions. [2024-11-27 23:38:55,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-27 23:38:55,359 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:55,359 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:55,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 23:38:55,360 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:55,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:55,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1475254916, now seen corresponding path program 1 times [2024-11-27 23:38:55,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:55,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090696637] [2024-11-27 23:38:55,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:55,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:55,834 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:38:55,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:55,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090696637] [2024-11-27 23:38:55,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090696637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:55,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:55,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-27 23:38:55,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126298234] [2024-11-27 23:38:55,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:55,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:38:55,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:55,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:38:55,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:38:55,838 INFO L87 Difference]: Start difference. First operand 579 states and 849 transitions. Second operand has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:56,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:56,878 INFO L93 Difference]: Finished difference Result 1568 states and 2276 transitions. [2024-11-27 23:38:56,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 23:38:56,879 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-11-27 23:38:56,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:56,885 INFO L225 Difference]: With dead ends: 1568 [2024-11-27 23:38:56,885 INFO L226 Difference]: Without dead ends: 1033 [2024-11-27 23:38:56,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:38:56,888 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 346 mSDsluCounter, 2059 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 2293 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:56,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 2293 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 23:38:56,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-27 23:38:56,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 603. [2024-11-27 23:38:56,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 571 states have (on average 1.4553415061295971) internal successors, (831), 571 states have internal predecessors, (831), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:38:56,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 885 transitions. [2024-11-27 23:38:56,949 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 885 transitions. Word has length 101 [2024-11-27 23:38:56,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:56,949 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 885 transitions. [2024-11-27 23:38:56,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:56,950 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 885 transitions. [2024-11-27 23:38:56,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-27 23:38:56,952 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:56,952 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:56,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 23:38:56,952 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:56,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:56,953 INFO L85 PathProgramCache]: Analyzing trace with hash 418921356, now seen corresponding path program 1 times [2024-11-27 23:38:56,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:56,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783962581] [2024-11-27 23:38:56,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:56,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:57,550 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:38:57,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:57,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783962581] [2024-11-27 23:38:57,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783962581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:57,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:57,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 23:38:57,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071400852] [2024-11-27 23:38:57,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:57,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 23:38:57,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:57,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 23:38:57,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:38:57,554 INFO L87 Difference]: Start difference. First operand 603 states and 885 transitions. Second operand has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:58,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:58,721 INFO L93 Difference]: Finished difference Result 2021 states and 2936 transitions. [2024-11-27 23:38:58,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:38:58,722 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 102 [2024-11-27 23:38:58,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:58,733 INFO L225 Difference]: With dead ends: 2021 [2024-11-27 23:38:58,733 INFO L226 Difference]: Without dead ends: 1462 [2024-11-27 23:38:58,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:38:58,736 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 426 mSDsluCounter, 2520 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 2823 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:58,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 2823 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 23:38:58,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1462 states. [2024-11-27 23:38:58,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1462 to 692. [2024-11-27 23:38:58,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 660 states have (on average 1.4621212121212122) internal successors, (965), 660 states have internal predecessors, (965), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:38:58,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1019 transitions. [2024-11-27 23:38:58,802 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1019 transitions. Word has length 102 [2024-11-27 23:38:58,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:58,802 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 1019 transitions. [2024-11-27 23:38:58,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:58,803 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1019 transitions. [2024-11-27 23:38:58,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-27 23:38:58,804 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:58,805 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:58,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 23:38:58,805 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:58,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:58,806 INFO L85 PathProgramCache]: Analyzing trace with hash 67003244, now seen corresponding path program 1 times [2024-11-27 23:38:58,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:58,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780186581] [2024-11-27 23:38:58,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:58,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:38:59,068 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:38:59,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:38:59,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780186581] [2024-11-27 23:38:59,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780186581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:38:59,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:38:59,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 23:38:59,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416029491] [2024-11-27 23:38:59,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:38:59,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 23:38:59,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:38:59,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 23:38:59,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:38:59,070 INFO L87 Difference]: Start difference. First operand 692 states and 1019 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:59,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:38:59,596 INFO L93 Difference]: Finished difference Result 1650 states and 2431 transitions. [2024-11-27 23:38:59,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:38:59,597 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 102 [2024-11-27 23:38:59,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:38:59,603 INFO L225 Difference]: With dead ends: 1650 [2024-11-27 23:38:59,603 INFO L226 Difference]: Without dead ends: 1008 [2024-11-27 23:38:59,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:38:59,605 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 132 mSDsluCounter, 1469 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 1723 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:38:59,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 1723 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:38:59,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2024-11-27 23:38:59,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 716. [2024-11-27 23:38:59,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 684 states have (on average 1.4678362573099415) internal successors, (1004), 684 states have internal predecessors, (1004), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:38:59,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1058 transitions. [2024-11-27 23:38:59,684 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1058 transitions. Word has length 102 [2024-11-27 23:38:59,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:38:59,685 INFO L471 AbstractCegarLoop]: Abstraction has 716 states and 1058 transitions. [2024-11-27 23:38:59,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:38:59,685 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1058 transitions. [2024-11-27 23:38:59,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-27 23:38:59,687 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:38:59,687 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:38:59,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-27 23:38:59,688 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:38:59,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:38:59,690 INFO L85 PathProgramCache]: Analyzing trace with hash -922981936, now seen corresponding path program 1 times [2024-11-27 23:38:59,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:38:59,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339122388] [2024-11-27 23:38:59,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:38:59,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:38:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:00,233 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:39:00,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:00,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339122388] [2024-11-27 23:39:00,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339122388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:39:00,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:39:00,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-27 23:39:00,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603991399] [2024-11-27 23:39:00,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:39:00,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 23:39:00,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:00,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 23:39:00,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:39:00,235 INFO L87 Difference]: Start difference. First operand 716 states and 1058 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:00,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:00,905 INFO L93 Difference]: Finished difference Result 1514 states and 2229 transitions. [2024-11-27 23:39:00,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:39:00,906 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 102 [2024-11-27 23:39:00,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:00,912 INFO L225 Difference]: With dead ends: 1514 [2024-11-27 23:39:00,912 INFO L226 Difference]: Without dead ends: 848 [2024-11-27 23:39:00,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:39:00,915 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 523 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:00,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 893 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:39:00,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2024-11-27 23:39:00,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 660. [2024-11-27 23:39:00,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 628 states have (on average 1.4378980891719746) internal successors, (903), 628 states have internal predecessors, (903), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:39:00,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 957 transitions. [2024-11-27 23:39:00,976 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 957 transitions. Word has length 102 [2024-11-27 23:39:00,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:00,977 INFO L471 AbstractCegarLoop]: Abstraction has 660 states and 957 transitions. [2024-11-27 23:39:00,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:00,977 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 957 transitions. [2024-11-27 23:39:00,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-27 23:39:00,979 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:00,979 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:00,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-27 23:39:00,979 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:39:00,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:00,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1274900048, now seen corresponding path program 1 times [2024-11-27 23:39:00,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:00,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635304781] [2024-11-27 23:39:00,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:00,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:01,234 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:39:01,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:01,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635304781] [2024-11-27 23:39:01,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635304781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:39:01,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:39:01,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 23:39:01,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819391253] [2024-11-27 23:39:01,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:39:01,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 23:39:01,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:01,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 23:39:01,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:39:01,238 INFO L87 Difference]: Start difference. First operand 660 states and 957 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:01,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:01,738 INFO L93 Difference]: Finished difference Result 1500 states and 2167 transitions. [2024-11-27 23:39:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:39:01,739 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 102 [2024-11-27 23:39:01,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:01,743 INFO L225 Difference]: With dead ends: 1500 [2024-11-27 23:39:01,743 INFO L226 Difference]: Without dead ends: 884 [2024-11-27 23:39:01,744 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:39:01,746 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 133 mSDsluCounter, 1137 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 1336 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:01,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 1336 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:39:01,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2024-11-27 23:39:01,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 672. [2024-11-27 23:39:01,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 640 states have (on average 1.434375) internal successors, (918), 640 states have internal predecessors, (918), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:39:01,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 972 transitions. [2024-11-27 23:39:01,798 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 972 transitions. Word has length 102 [2024-11-27 23:39:01,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:01,799 INFO L471 AbstractCegarLoop]: Abstraction has 672 states and 972 transitions. [2024-11-27 23:39:01,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:01,799 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 972 transitions. [2024-11-27 23:39:01,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-27 23:39:01,800 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:01,800 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:01,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-27 23:39:01,801 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:39:01,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:01,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1720377663, now seen corresponding path program 1 times [2024-11-27 23:39:01,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:01,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180440582] [2024-11-27 23:39:01,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:01,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:02,275 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:39:02,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:02,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180440582] [2024-11-27 23:39:02,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180440582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:39:02,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:39:02,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-27 23:39:02,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727607958] [2024-11-27 23:39:02,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:39:02,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:39:02,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:02,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:39:02,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:39:02,277 INFO L87 Difference]: Start difference. First operand 672 states and 972 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:03,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:03,399 INFO L93 Difference]: Finished difference Result 1853 states and 2663 transitions. [2024-11-27 23:39:03,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 23:39:03,400 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 103 [2024-11-27 23:39:03,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:03,408 INFO L225 Difference]: With dead ends: 1853 [2024-11-27 23:39:03,408 INFO L226 Difference]: Without dead ends: 1231 [2024-11-27 23:39:03,410 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2024-11-27 23:39:03,412 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 419 mSDsluCounter, 1513 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 1709 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:03,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 1709 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 23:39:03,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231 states. [2024-11-27 23:39:03,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 671. [2024-11-27 23:39:03,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 639 states have (on average 1.4366197183098592) internal successors, (918), 639 states have internal predecessors, (918), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:39:03,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 972 transitions. [2024-11-27 23:39:03,472 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 972 transitions. Word has length 103 [2024-11-27 23:39:03,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:03,472 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 972 transitions. [2024-11-27 23:39:03,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:03,473 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 972 transitions. [2024-11-27 23:39:03,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-27 23:39:03,475 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:03,476 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:03,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-27 23:39:03,476 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:39:03,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:03,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1482714049, now seen corresponding path program 1 times [2024-11-27 23:39:03,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:03,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251798743] [2024-11-27 23:39:03,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:03,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:03,984 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:39:03,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:03,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251798743] [2024-11-27 23:39:03,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251798743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:39:03,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:39:03,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-27 23:39:03,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799630860] [2024-11-27 23:39:03,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:39:03,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:39:03,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:03,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:39:03,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:39:03,987 INFO L87 Difference]: Start difference. First operand 671 states and 972 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:05,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:05,039 INFO L93 Difference]: Finished difference Result 1693 states and 2429 transitions. [2024-11-27 23:39:05,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 23:39:05,040 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 103 [2024-11-27 23:39:05,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:05,045 INFO L225 Difference]: With dead ends: 1693 [2024-11-27 23:39:05,045 INFO L226 Difference]: Without dead ends: 1042 [2024-11-27 23:39:05,047 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2024-11-27 23:39:05,048 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 338 mSDsluCounter, 1982 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 2203 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:05,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 2203 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 23:39:05,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2024-11-27 23:39:05,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 677. [2024-11-27 23:39:05,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 645 states have (on average 1.4372093023255814) internal successors, (927), 645 states have internal predecessors, (927), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:39:05,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 981 transitions. [2024-11-27 23:39:05,108 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 981 transitions. Word has length 103 [2024-11-27 23:39:05,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:05,109 INFO L471 AbstractCegarLoop]: Abstraction has 677 states and 981 transitions. [2024-11-27 23:39:05,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 12 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:05,109 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 981 transitions. [2024-11-27 23:39:05,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-27 23:39:05,111 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:05,111 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:05,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-27 23:39:05,112 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:39:05,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:05,112 INFO L85 PathProgramCache]: Analyzing trace with hash 104136137, now seen corresponding path program 1 times [2024-11-27 23:39:05,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:05,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552600927] [2024-11-27 23:39:05,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:05,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:05,383 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:39:05,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:05,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552600927] [2024-11-27 23:39:05,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552600927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:39:05,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:39:05,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 23:39:05,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232875722] [2024-11-27 23:39:05,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:39:05,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 23:39:05,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:05,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 23:39:05,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:39:05,387 INFO L87 Difference]: Start difference. First operand 677 states and 981 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:05,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:05,847 INFO L93 Difference]: Finished difference Result 1608 states and 2334 transitions. [2024-11-27 23:39:05,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:39:05,848 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 103 [2024-11-27 23:39:05,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:05,852 INFO L225 Difference]: With dead ends: 1608 [2024-11-27 23:39:05,852 INFO L226 Difference]: Without dead ends: 981 [2024-11-27 23:39:05,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:39:05,854 INFO L435 NwaCegarLoop]: 261 mSDtfsCounter, 131 mSDsluCounter, 1499 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 1760 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:05,854 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 1760 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:39:05,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2024-11-27 23:39:05,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 665. [2024-11-27 23:39:05,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 633 states have (on average 1.4312796208530805) internal successors, (906), 633 states have internal predecessors, (906), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:39:05,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 960 transitions. [2024-11-27 23:39:05,908 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 960 transitions. Word has length 103 [2024-11-27 23:39:05,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:05,908 INFO L471 AbstractCegarLoop]: Abstraction has 665 states and 960 transitions. [2024-11-27 23:39:05,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:05,908 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 960 transitions. [2024-11-27 23:39:05,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-27 23:39:05,910 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:05,910 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:05,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-27 23:39:05,910 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:39:05,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:05,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1170823199, now seen corresponding path program 1 times [2024-11-27 23:39:05,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:05,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11894380] [2024-11-27 23:39:05,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:05,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:06,288 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:39:06,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:06,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11894380] [2024-11-27 23:39:06,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11894380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:39:06,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:39:06,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 23:39:06,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267166670] [2024-11-27 23:39:06,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:39:06,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 23:39:06,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:06,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 23:39:06,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:39:06,291 INFO L87 Difference]: Start difference. First operand 665 states and 960 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:07,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:07,037 INFO L93 Difference]: Finished difference Result 1466 states and 2111 transitions. [2024-11-27 23:39:07,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:39:07,037 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 103 [2024-11-27 23:39:07,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:07,042 INFO L225 Difference]: With dead ends: 1466 [2024-11-27 23:39:07,043 INFO L226 Difference]: Without dead ends: 851 [2024-11-27 23:39:07,044 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:39:07,045 INFO L435 NwaCegarLoop]: 293 mSDtfsCounter, 516 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 1318 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:07,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 1318 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:39:07,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2024-11-27 23:39:07,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 648. [2024-11-27 23:39:07,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 648 states, 616 states have (on average 1.426948051948052) internal successors, (879), 616 states have internal predecessors, (879), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:39:07,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 933 transitions. [2024-11-27 23:39:07,105 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 933 transitions. Word has length 103 [2024-11-27 23:39:07,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:07,105 INFO L471 AbstractCegarLoop]: Abstraction has 648 states and 933 transitions. [2024-11-27 23:39:07,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:07,107 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 933 transitions. [2024-11-27 23:39:07,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-27 23:39:07,108 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:07,108 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:07,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-27 23:39:07,109 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:39:07,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:07,109 INFO L85 PathProgramCache]: Analyzing trace with hash 2075774890, now seen corresponding path program 1 times [2024-11-27 23:39:07,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:07,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714674731] [2024-11-27 23:39:07,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:07,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:07,352 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:39:07,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:07,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714674731] [2024-11-27 23:39:07,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714674731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:39:07,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:39:07,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 23:39:07,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438836623] [2024-11-27 23:39:07,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:39:07,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:39:07,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:07,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:39:07,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:39:07,355 INFO L87 Difference]: Start difference. First operand 648 states and 933 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:07,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:07,943 INFO L93 Difference]: Finished difference Result 1839 states and 2629 transitions. [2024-11-27 23:39:07,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:39:07,944 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 103 [2024-11-27 23:39:07,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:07,949 INFO L225 Difference]: With dead ends: 1839 [2024-11-27 23:39:07,949 INFO L226 Difference]: Without dead ends: 1241 [2024-11-27 23:39:07,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:39:07,951 INFO L435 NwaCegarLoop]: 298 mSDtfsCounter, 345 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 1429 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:07,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 1429 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:39:07,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2024-11-27 23:39:08,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 684. [2024-11-27 23:39:08,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 652 states have (on average 1.3941717791411044) internal successors, (909), 652 states have internal predecessors, (909), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:39:08,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 963 transitions. [2024-11-27 23:39:08,009 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 963 transitions. Word has length 103 [2024-11-27 23:39:08,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:08,009 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 963 transitions. [2024-11-27 23:39:08,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:08,010 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 963 transitions. [2024-11-27 23:39:08,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-27 23:39:08,011 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:08,011 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:08,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-27 23:39:08,013 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:39:08,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:08,014 INFO L85 PathProgramCache]: Analyzing trace with hash -339049141, now seen corresponding path program 1 times [2024-11-27 23:39:08,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:08,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379429300] [2024-11-27 23:39:08,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:08,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:08,258 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-27 23:39:08,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:08,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379429300] [2024-11-27 23:39:08,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379429300] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:39:08,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346511357] [2024-11-27 23:39:08,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:08,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:39:08,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:39:08,262 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:39:08,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 23:39:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:08,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:39:08,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:39:08,696 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:39:08,697 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:39:08,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346511357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:39:08,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:39:08,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-27 23:39:08,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159902539] [2024-11-27 23:39:08,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:39:08,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:39:08,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:08,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:39:08,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:39:08,699 INFO L87 Difference]: Start difference. First operand 684 states and 963 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:08,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:08,786 INFO L93 Difference]: Finished difference Result 1324 states and 1868 transitions. [2024-11-27 23:39:08,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:39:08,787 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 104 [2024-11-27 23:39:08,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:08,790 INFO L225 Difference]: With dead ends: 1324 [2024-11-27 23:39:08,790 INFO L226 Difference]: Without dead ends: 690 [2024-11-27 23:39:08,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:39:08,793 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:08,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 575 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:39:08,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2024-11-27 23:39:08,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 690. [2024-11-27 23:39:08,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 658 states have (on average 1.3905775075987843) internal successors, (915), 658 states have internal predecessors, (915), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:39:08,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 969 transitions. [2024-11-27 23:39:08,871 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 969 transitions. Word has length 104 [2024-11-27 23:39:08,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:08,872 INFO L471 AbstractCegarLoop]: Abstraction has 690 states and 969 transitions. [2024-11-27 23:39:08,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:08,872 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 969 transitions. [2024-11-27 23:39:08,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-27 23:39:08,874 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:08,874 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:08,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-27 23:39:09,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-27 23:39:09,080 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:39:09,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:09,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1444823633, now seen corresponding path program 1 times [2024-11-27 23:39:09,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:09,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453915838] [2024-11-27 23:39:09,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:09,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:09,795 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:39:09,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:09,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453915838] [2024-11-27 23:39:09,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453915838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:39:09,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:39:09,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-27 23:39:09,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931372202] [2024-11-27 23:39:09,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:39:09,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 23:39:09,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:09,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 23:39:09,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:39:09,798 INFO L87 Difference]: Start difference. First operand 690 states and 969 transitions. Second operand has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:10,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:10,439 INFO L93 Difference]: Finished difference Result 1356 states and 1909 transitions. [2024-11-27 23:39:10,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:39:10,439 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 104 [2024-11-27 23:39:10,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:10,442 INFO L225 Difference]: With dead ends: 1356 [2024-11-27 23:39:10,442 INFO L226 Difference]: Without dead ends: 686 [2024-11-27 23:39:10,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:39:10,446 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 141 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:10,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1133 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:39:10,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2024-11-27 23:39:10,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 506. [2024-11-27 23:39:10,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 474 states have (on average 1.358649789029536) internal successors, (644), 474 states have internal predecessors, (644), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:39:10,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 698 transitions. [2024-11-27 23:39:10,497 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 698 transitions. Word has length 104 [2024-11-27 23:39:10,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:10,497 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 698 transitions. [2024-11-27 23:39:10,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:10,497 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 698 transitions. [2024-11-27 23:39:10,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-27 23:39:10,499 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:10,500 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:10,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-27 23:39:10,500 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:39:10,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:10,501 INFO L85 PathProgramCache]: Analyzing trace with hash 2079753075, now seen corresponding path program 1 times [2024-11-27 23:39:10,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:10,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733844487] [2024-11-27 23:39:10,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:10,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:10,921 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:39:10,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:10,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733844487] [2024-11-27 23:39:10,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733844487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:39:10,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:39:10,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 23:39:10,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245243453] [2024-11-27 23:39:10,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:39:10,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:39:10,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:10,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:39:10,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:39:10,924 INFO L87 Difference]: Start difference. First operand 506 states and 698 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:11,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:11,284 INFO L93 Difference]: Finished difference Result 902 states and 1254 transitions. [2024-11-27 23:39:11,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:39:11,285 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 104 [2024-11-27 23:39:11,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:11,287 INFO L225 Difference]: With dead ends: 902 [2024-11-27 23:39:11,287 INFO L226 Difference]: Without dead ends: 446 [2024-11-27 23:39:11,289 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:39:11,289 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 147 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:11,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 606 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:39:11,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-11-27 23:39:11,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 431. [2024-11-27 23:39:11,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 399 states have (on average 1.3659147869674186) internal successors, (545), 399 states have internal predecessors, (545), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:39:11,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 599 transitions. [2024-11-27 23:39:11,337 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 599 transitions. Word has length 104 [2024-11-27 23:39:11,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:11,338 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 599 transitions. [2024-11-27 23:39:11,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:11,338 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 599 transitions. [2024-11-27 23:39:11,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-27 23:39:11,339 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:11,340 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:11,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-27 23:39:11,341 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:39:11,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:11,341 INFO L85 PathProgramCache]: Analyzing trace with hash -850857107, now seen corresponding path program 1 times [2024-11-27 23:39:11,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:11,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835523734] [2024-11-27 23:39:11,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:11,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:11,710 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:39:11,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:11,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835523734] [2024-11-27 23:39:11,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835523734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:39:11,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:39:11,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 23:39:11,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970811852] [2024-11-27 23:39:11,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:39:11,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:39:11,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:11,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:39:11,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:39:11,712 INFO L87 Difference]: Start difference. First operand 431 states and 599 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:12,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:12,049 INFO L93 Difference]: Finished difference Result 773 states and 1081 transitions. [2024-11-27 23:39:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:39:12,050 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 104 [2024-11-27 23:39:12,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:12,052 INFO L225 Difference]: With dead ends: 773 [2024-11-27 23:39:12,052 INFO L226 Difference]: Without dead ends: 392 [2024-11-27 23:39:12,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:39:12,054 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 142 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:12,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 780 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:39:12,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-27 23:39:12,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 377. [2024-11-27 23:39:12,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 345 states have (on average 1.3652173913043477) internal successors, (471), 345 states have internal predecessors, (471), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:39:12,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 525 transitions. [2024-11-27 23:39:12,102 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 525 transitions. Word has length 104 [2024-11-27 23:39:12,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:12,103 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 525 transitions. [2024-11-27 23:39:12,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:12,103 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 525 transitions. [2024-11-27 23:39:12,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-27 23:39:12,105 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:12,105 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:12,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-27 23:39:12,105 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:39:12,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:12,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1900761118, now seen corresponding path program 1 times [2024-11-27 23:39:12,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:12,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832647810] [2024-11-27 23:39:12,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:12,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:13,408 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:39:13,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:39:13,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832647810] [2024-11-27 23:39:13,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832647810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:39:13,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:39:13,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 23:39:13,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346400332] [2024-11-27 23:39:13,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:39:13,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:39:13,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:39:13,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:39:13,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:39:13,411 INFO L87 Difference]: Start difference. First operand 377 states and 525 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:13,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:13,710 INFO L93 Difference]: Finished difference Result 385 states and 532 transitions. [2024-11-27 23:39:13,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:39:13,711 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 106 [2024-11-27 23:39:13,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:13,713 INFO L225 Difference]: With dead ends: 385 [2024-11-27 23:39:13,713 INFO L226 Difference]: Without dead ends: 383 [2024-11-27 23:39:13,713 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:39:13,714 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 141 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:13,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1113 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:39:13,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-27 23:39:13,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 380. [2024-11-27 23:39:13,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 348 states have (on average 1.3620689655172413) internal successors, (474), 348 states have internal predecessors, (474), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:39:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 528 transitions. [2024-11-27 23:39:13,755 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 528 transitions. Word has length 106 [2024-11-27 23:39:13,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:13,756 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 528 transitions. [2024-11-27 23:39:13,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:39:13,756 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 528 transitions. [2024-11-27 23:39:13,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-27 23:39:13,757 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:13,757 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:13,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-27 23:39:13,757 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:39:13,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:13,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1898914076, now seen corresponding path program 1 times [2024-11-27 23:39:13,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:39:13,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981518133] [2024-11-27 23:39:13,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:13,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:39:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:39:13,860 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:39:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:39:14,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 23:39:14,102 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 23:39:14,104 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 23:39:14,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-27 23:39:14,109 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:14,407 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:39:14,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:39:14 BoogieIcfgContainer [2024-11-27 23:39:14,414 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:39:14,414 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:39:14,415 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:39:14,415 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:39:14,416 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:38:34" (3/4) ... [2024-11-27 23:39:14,419 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 23:39:14,419 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:39:14,420 INFO L158 Benchmark]: Toolchain (without parser) took 41671.46ms. Allocated memory was 142.6MB in the beginning and 704.6MB in the end (delta: 562.0MB). Free memory was 100.8MB in the beginning and 512.6MB in the end (delta: -411.8MB). Peak memory consumption was 152.4MB. Max. memory is 16.1GB. [2024-11-27 23:39:14,420 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:39:14,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.53ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 86.4MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:39:14,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.37ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 82.5MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:39:14,422 INFO L158 Benchmark]: Boogie Preprocessor took 163.70ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 77.2MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:39:14,422 INFO L158 Benchmark]: RCFGBuilder took 1387.29ms. Allocated memory is still 142.6MB. Free memory was 77.2MB in the beginning and 36.4MB in the end (delta: 40.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-27 23:39:14,422 INFO L158 Benchmark]: TraceAbstraction took 39548.31ms. Allocated memory was 142.6MB in the beginning and 704.6MB in the end (delta: 562.0MB). Free memory was 36.0MB in the beginning and 512.8MB in the end (delta: -476.8MB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. [2024-11-27 23:39:14,423 INFO L158 Benchmark]: Witness Printer took 5.08ms. Allocated memory is still 704.6MB. Free memory was 512.8MB in the beginning and 512.6MB in the end (delta: 225.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:39:14,428 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.53ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 86.4MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.37ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 82.5MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 163.70ms. Allocated memory is still 142.6MB. Free memory was 82.5MB in the beginning and 77.2MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1387.29ms. Allocated memory is still 142.6MB. Free memory was 77.2MB in the beginning and 36.4MB in the end (delta: 40.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 39548.31ms. Allocated memory was 142.6MB in the beginning and 704.6MB in the end (delta: 562.0MB). Free memory was 36.0MB in the beginning and 512.8MB in the end (delta: -476.8MB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. * Witness Printer took 5.08ms. Allocated memory is still 704.6MB. Free memory was 512.8MB in the beginning and 512.6MB in the end (delta: 225.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 96, overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someBinaryFLOATComparisonOperation at line 85, overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 85, overapproximation of someUnaryDOUBLEoperation at line 32. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -10; [L22] signed short int var_1_1 = -10; [L23] signed short int* var_1_1_Pointer = &(var_1_1); [L24] signed short int var_1_5 = 4; [L24] signed short int var_1_5 = 4; [L25] signed short int* var_1_5_Pointer = &(var_1_5); [L26] unsigned char var_1_7 = 200; [L26] unsigned char var_1_7 = 200; [L27] unsigned char* var_1_7_Pointer = &(var_1_7); [L28] unsigned char var_1_8 = 32; [L28] unsigned char var_1_8 = 32; [L29] unsigned char* var_1_8_Pointer = &(var_1_8); [L30] float var_1_9 = 256.5; [L30] float var_1_9 = 256.5; [L31] float* var_1_9_Pointer = &(var_1_9); [L32] float var_1_10 = -0.25; [L32] float var_1_10 = -0.25; [L33] float* var_1_10_Pointer = &(var_1_10); [L34] float var_1_11 = 0.30000000000000004; [L34] float var_1_11 = 0.30000000000000004; [L35] float* var_1_11_Pointer = &(var_1_11); [L36] float var_1_12 = 49.5; [L36] float var_1_12 = 49.5; [L37] float* var_1_12_Pointer = &(var_1_12); [L38] signed long int var_1_13 = -8; [L38] signed long int var_1_13 = -8; [L39] signed long int* var_1_13_Pointer = &(var_1_13); [L40] unsigned char var_1_14 = 0; [L40] unsigned char var_1_14 = 0; [L41] unsigned char* var_1_14_Pointer = &(var_1_14); [L42] float var_1_15 = 0.4; [L42] float var_1_15 = 0.4; [L43] float* var_1_15_Pointer = &(var_1_15); [L44] signed long int var_1_16 = -256; [L44] signed long int var_1_16 = -256; [L45] signed long int* var_1_16_Pointer = &(var_1_16); [L46] signed long int last_1_var_1_13 = -8; VAL [isInitial=0, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L100] isInitial = 1 [L101] FCALL initially() [L103] CALL updateLastVariables() [L93] EXPR \read(var_1_13) [L93] last_1_var_1_13 = var_1_13 [L103] RET updateLastVariables() [L104] CALL updateVariables() [L76] var_1_5 = __VERIFIER_nondet_short() [L77] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L77] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L77] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L78] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L78] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L78] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L79] var_1_8 = __VERIFIER_nondet_uchar() [L80] EXPR \read(var_1_8) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L80] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L80] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L81] EXPR \read(var_1_8) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L81] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L81] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L82] var_1_10 = __VERIFIER_nondet_float() [L83] EXPR \read(var_1_10) [L83] EXPR var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L83] EXPR var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F [L83] EXPR \read(var_1_10) [L83] EXPR var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L83] EXPR (var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L83] EXPR (var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L83] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L83] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L84] var_1_11 = __VERIFIER_nondet_float() [L85] EXPR \read(var_1_11) [L85] EXPR var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L85] EXPR var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F [L85] EXPR \read(var_1_11) [L85] EXPR var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L85] EXPR (var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L85] EXPR (var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L85] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L85] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L86] var_1_12 = __VERIFIER_nondet_float() [L87] EXPR \read(var_1_12) [L87] EXPR var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L87] EXPR var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F [L87] EXPR \read(var_1_12) [L87] EXPR var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L87] EXPR (var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L87] EXPR (var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L87] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L87] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L88] var_1_14 = __VERIFIER_nondet_uchar() [L89] EXPR \read(var_1_14) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L89] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L89] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] EXPR \read(var_1_14) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L90] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L104] RET updateVariables() [L105] CALL step() [L50] EXPR \read(*var_1_5_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L50] COND FALSE !((*(var_1_5_Pointer)) < last_1_var_1_13) [L53] EXPR \read(*var_1_7_Pointer) [L53] (*(var_1_16_Pointer)) = (*(var_1_7_Pointer)) [L54] EXPR \read(*var_1_7_Pointer) [L54] unsigned char stepLocal_1 = (*(var_1_7_Pointer)); [L55] EXPR \read(*var_1_14_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L55] COND TRUE ! (*(var_1_14_Pointer)) [L56] EXPR \read(*var_1_8_Pointer) [L56] (*(var_1_13_Pointer)) = (*(var_1_8_Pointer)) [L64] EXPR \read(*var_1_11_Pointer) [L64] (*(var_1_15_Pointer)) = (*(var_1_11_Pointer)) [L65] EXPR \read(*var_1_13_Pointer) [L65] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L65] EXPR (*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer)) VAL [isInitial=1, last_1_var_1_13=-8, stepLocal_1=200, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L65] EXPR \read(*var_1_16_Pointer) [L65] signed long int stepLocal_0 = ((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer)); [L66] COND FALSE !(stepLocal_0 < -1) [L69] EXPR \read(*var_1_7_Pointer) [L69] EXPR \read(*var_1_7_Pointer) [L69] (*(var_1_1_Pointer)) = (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) [L71] EXPR \read(*var_1_7_Pointer) [L71] EXPR \read(*var_1_13_Pointer) [L71] EXPR \read(*var_1_7_Pointer) [L71] EXPR \read(*var_1_16_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L71] EXPR (*(var_1_7_Pointer)) | (*(var_1_16_Pointer)) VAL [isInitial=1, last_1_var_1_13=-8, stepLocal_1=200, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L71] EXPR (*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))) VAL [isInitial=1, last_1_var_1_13=-8, stepLocal_1=200, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L71] COND FALSE !((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) [L105] RET step() [L106] CALL, EXPR property() [L96] EXPR \read(*var_1_13_Pointer) [L96] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer)) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR \read(*var_1_16_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))))) [L96] EXPR \read(*var_1_1_Pointer) [L96] EXPR \read(*var_1_7_Pointer) [L96] EXPR \read(*var_1_7_Pointer) [L96] EXPR ((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1) [L96] EXPR \read(*var_1_5_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1 [L96] EXPR ((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1 VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1) [L96] EXPR \read(*var_1_7_Pointer) [L96] EXPR \read(*var_1_13_Pointer) [L96] EXPR \read(*var_1_7_Pointer) [L96] EXPR \read(*var_1_16_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (*(var_1_7_Pointer)) | (*(var_1_16_Pointer)) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1 [L96] EXPR ((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1 VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer)))))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer)))))) [L96] EXPR \read(*var_1_14_Pointer) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))) [L96] EXPR \read(*var_1_13_Pointer) [L96] EXPR \read(*var_1_8_Pointer) [L96] EXPR (! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer)))))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))))) && ((*(var_1_15_Pointer)) == ((float) (*(var_1_11_Pointer)))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR ((((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))))) && ((*(var_1_15_Pointer)) == ((float) (*(var_1_11_Pointer)))) [L96] EXPR \read(*var_1_15_Pointer) [L96] EXPR \read(*var_1_11_Pointer) [L96] EXPR ((((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))))) && ((*(var_1_15_Pointer)) == ((float) (*(var_1_11_Pointer)))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))))) && ((*(var_1_15_Pointer)) == ((float) (*(var_1_11_Pointer))))) && ((*(var_1_16_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96] EXPR (((((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))))) && ((*(var_1_15_Pointer)) == ((float) (*(var_1_11_Pointer))))) && ((*(var_1_16_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L96-L97] return (((((((((*(var_1_13_Pointer)) ^ (*(var_1_7_Pointer))) + (*(var_1_16_Pointer))) < -1) ? ((*(var_1_1_Pointer)) == ((signed short int) 8)) : ((*(var_1_1_Pointer)) == ((signed short int) (128 - ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer))))))) && (((*(var_1_5_Pointer)) < last_1_var_1_13) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_8_Pointer)) + 1))) : 1)) && (((*(var_1_7_Pointer)) < ((*(var_1_13_Pointer)) & ((*(var_1_7_Pointer)) | (*(var_1_16_Pointer))))) ? ((*(var_1_9_Pointer)) == ((float) (((((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) < 0 ) ? -((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))) : ((*(var_1_10_Pointer)) + ((*(var_1_11_Pointer)) - (*(var_1_12_Pointer)))))))) : 1)) && ((! (*(var_1_14_Pointer))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_8_Pointer)))) : (((*(var_1_7_Pointer)) > ((*(var_1_7_Pointer)) + (*(var_1_7_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) : ((*(var_1_13_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))))) && ((*(var_1_15_Pointer)) == ((float) (*(var_1_11_Pointer))))) && ((*(var_1_16_Pointer)) == ((signed long int) (*(var_1_7_Pointer)))) ; [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=-8, var_1_10={9:0}, var_1_10_Pointer={9:0}, var_1_11={10:0}, var_1_11_Pointer={10:0}, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_15={14:0}, var_1_15_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_7={6:0}, var_1_7_Pointer={6:0}, var_1_8={7:0}, var_1_8_Pointer={7:0}, var_1_9={8:0}, var_1_9_Pointer={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 39.1s, OverallIterations: 32, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 16.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6693 SdHoareTripleChecker+Valid, 11.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6693 mSDsluCounter, 37079 SdHoareTripleChecker+Invalid, 9.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30748 mSDsCounter, 445 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10267 IncrementalHoareTripleChecker+Invalid, 10712 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 445 mSolverCounterUnsat, 6331 mSDtfsCounter, 10267 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 882 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 314 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=716occurred in iteration=19, InterpolantAutomatonStates: 276, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 31 MinimizatonAttempts, 6261 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 15.5s InterpolantComputationTime, 3635 NumberOfCodeBlocks, 3635 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 3591 ConstructedInterpolants, 0 QuantifiedInterpolants, 9697 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1933 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 36 InterpolantComputations, 30 PerfectInterpolantSequences, 5060/5184 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-27 23:39:14,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 24eb6d8aed88d8ad0c0a7297311d178ed920bbbfb0b7ffdf6d456efc32725bc4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:39:17,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:39:17,571 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 23:39:17,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:39:17,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:39:17,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:39:17,621 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:39:17,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:39:17,622 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:39:17,622 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:39:17,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:39:17,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:39:17,623 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:39:17,623 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:39:17,623 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:39:17,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:39:17,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:39:17,624 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:39:17,624 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:39:17,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:39:17,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:39:17,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:39:17,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:39:17,625 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 23:39:17,625 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 23:39:17,625 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 23:39:17,625 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:39:17,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:39:17,625 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:39:17,625 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:39:17,625 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:39:17,625 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:39:17,626 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:39:17,626 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:39:17,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:39:17,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:39:17,626 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:39:17,627 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:39:17,627 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:39:17,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:39:17,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:39:17,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:39:17,627 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:39:17,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:39:17,628 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 23:39:17,628 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 23:39:17,628 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:39:17,628 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:39:17,628 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:39:17,629 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:39:17,629 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_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24eb6d8aed88d8ad0c0a7297311d178ed920bbbfb0b7ffdf6d456efc32725bc4 [2024-11-27 23:39:18,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:39:18,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:39:18,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:39:18,041 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:39:18,042 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:39:18,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i [2024-11-27 23:39:21,301 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/data/77fa26d6e/acc702885f214539a6f1118665b7e181/FLAGc579d0977 [2024-11-27 23:39:21,702 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:39:21,703 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i [2024-11-27 23:39:21,719 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/data/77fa26d6e/acc702885f214539a6f1118665b7e181/FLAGc579d0977 [2024-11-27 23:39:21,749 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/data/77fa26d6e/acc702885f214539a6f1118665b7e181 [2024-11-27 23:39:21,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:39:21,755 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:39:21,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:39:21,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:39:21,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:39:21,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:39:21" (1/1) ... [2024-11-27 23:39:21,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dbd2daa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:21, skipping insertion in model container [2024-11-27 23:39:21,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:39:21" (1/1) ... [2024-11-27 23:39:21,799 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:39:22,045 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_aecdd9f8-31d9-4251-bc83-21ffc51c1816/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i[916,929] [2024-11-27 23:39:22,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:39:22,208 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:39:22,225 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_aecdd9f8-31d9-4251-bc83-21ffc51c1816/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-33.i[916,929] [2024-11-27 23:39:22,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:39:22,325 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:39:22,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:22 WrapperNode [2024-11-27 23:39:22,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:39:22,329 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:39:22,329 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:39:22,329 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:39:22,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:22" (1/1) ... [2024-11-27 23:39:22,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:22" (1/1) ... [2024-11-27 23:39:22,429 INFO L138 Inliner]: procedures = 36, calls = 147, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 439 [2024-11-27 23:39:22,430 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:39:22,431 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:39:22,431 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:39:22,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:39:22,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:22" (1/1) ... [2024-11-27 23:39:22,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:22" (1/1) ... [2024-11-27 23:39:22,461 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:22" (1/1) ... [2024-11-27 23:39:22,506 INFO L175 MemorySlicer]: Split 115 memory accesses to 13 slices as follows [2, 5, 6, 23, 8, 3, 12, 14, 12, 12, 6, 3, 9]. 20 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 15 writes are split as follows [0, 2, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1]. [2024-11-27 23:39:22,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:22" (1/1) ... [2024-11-27 23:39:22,510 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:22" (1/1) ... [2024-11-27 23:39:22,565 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:22" (1/1) ... [2024-11-27 23:39:22,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:22" (1/1) ... [2024-11-27 23:39:22,580 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:22" (1/1) ... [2024-11-27 23:39:22,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:22" (1/1) ... [2024-11-27 23:39:22,598 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:22" (1/1) ... [2024-11-27 23:39:22,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:39:22,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:39:22,609 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:39:22,609 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:39:22,610 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:22" (1/1) ... [2024-11-27 23:39:22,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:39:22,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:39:22,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:39:22,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:39:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:39:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-27 23:39:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-27 23:39:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-27 23:39:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-27 23:39:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-27 23:39:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-27 23:39:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-27 23:39:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-27 23:39:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-27 23:39:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-27 23:39:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-27 23:39:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-27 23:39:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-27 23:39:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-27 23:39:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-27 23:39:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-27 23:39:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-27 23:39:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-27 23:39:22,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-27 23:39:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-27 23:39:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-27 23:39:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-27 23:39:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-27 23:39:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-11-27 23:39:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-11-27 23:39:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-11-27 23:39:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 23:39:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-27 23:39:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-27 23:39:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-27 23:39:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-27 23:39:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-27 23:39:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-27 23:39:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-27 23:39:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-27 23:39:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-27 23:39:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-27 23:39:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-27 23:39:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-27 23:39:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-27 23:39:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-27 23:39:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-27 23:39:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-27 23:39:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-27 23:39:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-27 23:39:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-27 23:39:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-27 23:39:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-27 23:39:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-27 23:39:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-27 23:39:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-27 23:39:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-27 23:39:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-27 23:39:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-27 23:39:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-27 23:39:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-27 23:39:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-27 23:39:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-27 23:39:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-27 23:39:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-27 23:39:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-27 23:39:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-27 23:39:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-27 23:39:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-27 23:39:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-27 23:39:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-27 23:39:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-27 23:39:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-27 23:39:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-27 23:39:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-27 23:39:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-27 23:39:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-27 23:39:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-27 23:39:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-27 23:39:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-27 23:39:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-27 23:39:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-27 23:39:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-27 23:39:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-27 23:39:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-27 23:39:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-27 23:39:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-27 23:39:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-27 23:39:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-27 23:39:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-27 23:39:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-27 23:39:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-27 23:39:22,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-27 23:39:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-11-27 23:39:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-11-27 23:39:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-11-27 23:39:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-27 23:39:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-27 23:39:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-27 23:39:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-27 23:39:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-27 23:39:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-27 23:39:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-27 23:39:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-27 23:39:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-27 23:39:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-27 23:39:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-27 23:39:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-27 23:39:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-27 23:39:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-27 23:39:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-27 23:39:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-27 23:39:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-27 23:39:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-27 23:39:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-27 23:39:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-27 23:39:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-27 23:39:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-27 23:39:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-27 23:39:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-27 23:39:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-27 23:39:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-27 23:39:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:39:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:39:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:39:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:39:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-27 23:39:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-27 23:39:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-27 23:39:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-27 23:39:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-27 23:39:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-27 23:39:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-27 23:39:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-27 23:39:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-27 23:39:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-27 23:39:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-27 23:39:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-27 23:39:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-27 23:39:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-27 23:39:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-27 23:39:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-27 23:39:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-27 23:39:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-27 23:39:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-27 23:39:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-27 23:39:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-27 23:39:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-27 23:39:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-27 23:39:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-11-27 23:39:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-11-27 23:39:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-11-27 23:39:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-27 23:39:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-27 23:39:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-27 23:39:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-27 23:39:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-27 23:39:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-27 23:39:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-27 23:39:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-27 23:39:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-27 23:39:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-27 23:39:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-27 23:39:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-27 23:39:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-27 23:39:23,090 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:39:23,092 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:39:29,702 INFO L? ?]: Removed 111 outVars from TransFormulas that were not future-live. [2024-11-27 23:39:29,702 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:39:29,720 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:39:29,722 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:39:29,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:39:29 BoogieIcfgContainer [2024-11-27 23:39:29,723 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:39:29,726 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:39:29,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:39:29,735 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:39:29,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:39:21" (1/3) ... [2024-11-27 23:39:29,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8c343b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:39:29, skipping insertion in model container [2024-11-27 23:39:29,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:39:22" (2/3) ... [2024-11-27 23:39:29,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8c343b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:39:29, skipping insertion in model container [2024-11-27 23:39:29,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:39:29" (3/3) ... [2024-11-27 23:39:29,740 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-33.i [2024-11-27 23:39:29,761 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:39:29,763 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-33.i that has 2 procedures, 85 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 23:39:29,836 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:39:29,851 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;@1ac9a16e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:39:29,851 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:39:29,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 74 states have internal predecessors, (104), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-27 23:39:29,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-27 23:39:29,877 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:29,878 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:29,879 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:39:29,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:29,888 INFO L85 PathProgramCache]: Analyzing trace with hash -757554800, now seen corresponding path program 1 times [2024-11-27 23:39:29,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:39:29,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430959620] [2024-11-27 23:39:29,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:29,910 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:39:29,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:39:29,915 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:39:29,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-27 23:39:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:30,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:39:30,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:39:30,655 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-27 23:39:30,656 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:39:30,656 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:39:30,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [430959620] [2024-11-27 23:39:30,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [430959620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:39:30,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:39:30,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:39:30,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046141028] [2024-11-27 23:39:30,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:39:30,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:39:30,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:39:30,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:39:30,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:39:30,692 INFO L87 Difference]: Start difference. First operand has 85 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 74 states have internal predecessors, (104), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:39:30,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:30,724 INFO L93 Difference]: Finished difference Result 163 states and 247 transitions. [2024-11-27 23:39:30,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:39:30,727 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 92 [2024-11-27 23:39:30,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:30,735 INFO L225 Difference]: With dead ends: 163 [2024-11-27 23:39:30,736 INFO L226 Difference]: Without dead ends: 81 [2024-11-27 23:39:30,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:39:30,743 INFO L435 NwaCegarLoop]: 115 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, 115 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:30,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:39:30,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-27 23:39:30,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-27 23:39:30,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 70 states have internal predecessors, (97), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-27 23:39:30,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2024-11-27 23:39:30,807 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 115 transitions. Word has length 92 [2024-11-27 23:39:30,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:30,808 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 115 transitions. [2024-11-27 23:39:30,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:39:30,810 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2024-11-27 23:39:30,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-27 23:39:30,816 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:30,817 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:30,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-27 23:39:31,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:39:31,018 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:39:31,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:31,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1180114542, now seen corresponding path program 1 times [2024-11-27 23:39:31,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:39:31,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [455110803] [2024-11-27 23:39:31,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:31,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:39:31,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:39:31,024 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:39:31,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-27 23:39:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:31,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:39:31,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:39:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-27 23:39:31,755 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:39:31,755 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:39:31,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [455110803] [2024-11-27 23:39:31,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [455110803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:39:31,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:39:31,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:39:31,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348167535] [2024-11-27 23:39:31,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:39:31,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:39:31,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:39:31,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:39:31,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:39:31,762 INFO L87 Difference]: Start difference. First operand 81 states and 115 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:39:31,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:39:31,868 INFO L93 Difference]: Finished difference Result 161 states and 230 transitions. [2024-11-27 23:39:31,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:39:31,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 92 [2024-11-27 23:39:31,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:39:31,870 INFO L225 Difference]: With dead ends: 161 [2024-11-27 23:39:31,871 INFO L226 Difference]: Without dead ends: 83 [2024-11-27 23:39:31,871 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:39:31,874 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:39:31,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 328 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:39:31,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-27 23:39:31,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-27 23:39:31,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 72 states have (on average 1.375) internal successors, (99), 72 states have internal predecessors, (99), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-27 23:39:31,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2024-11-27 23:39:31,888 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 92 [2024-11-27 23:39:31,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:39:31,889 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2024-11-27 23:39:31,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:39:31,890 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2024-11-27 23:39:31,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-27 23:39:31,891 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:39:31,891 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:39:31,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-27 23:39:32,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:39:32,093 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:39:32,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:39:32,095 INFO L85 PathProgramCache]: Analyzing trace with hash -2073600880, now seen corresponding path program 1 times [2024-11-27 23:39:32,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:39:32,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1042083907] [2024-11-27 23:39:32,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:39:32,097 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:39:32,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:39:32,101 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:39:32,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-27 23:39:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:39:32,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:39:32,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:39:34,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-27 23:39:38,873 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-27 23:39:38,873 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:39:39,688 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:39:39,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 24 [2024-11-27 23:39:40,300 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-27 23:39:40,301 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:39:40,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1042083907] [2024-11-27 23:39:40,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1042083907] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:39:40,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:39:40,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-27 23:39:40,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664059923] [2024-11-27 23:39:40,302 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:39:40,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-27 23:39:40,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:39:40,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-27 23:39:40,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=219, Unknown=1, NotChecked=0, Total=272 [2024-11-27 23:39:40,305 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand has 17 states, 15 states have (on average 5.6) internal successors, (84), 16 states have internal predecessors, (84), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-27 23:39:41,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 23:39:45,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 23:39:51,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 23:39:55,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 23:39:59,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 23:40:01,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:40:01,276 INFO L93 Difference]: Finished difference Result 252 states and 353 transitions. [2024-11-27 23:40:01,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 23:40:01,277 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 5.6) internal successors, (84), 16 states have internal predecessors, (84), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) Word has length 92 [2024-11-27 23:40:01,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:40:01,279 INFO L225 Difference]: With dead ends: 252 [2024-11-27 23:40:01,279 INFO L226 Difference]: Without dead ends: 172 [2024-11-27 23:40:01,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=203, Invalid=552, Unknown=1, NotChecked=0, Total=756 [2024-11-27 23:40:01,286 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 498 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 54 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:40:01,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 1146 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 349 Invalid, 2 Unknown, 0 Unchecked, 16.2s Time] [2024-11-27 23:40:01,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-27 23:40:01,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 130. [2024-11-27 23:40:01,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 108 states have (on average 1.3333333333333333) internal successors, (144), 108 states have internal predecessors, (144), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-27 23:40:01,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 180 transitions. [2024-11-27 23:40:01,329 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 180 transitions. Word has length 92 [2024-11-27 23:40:01,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:40:01,330 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 180 transitions. [2024-11-27 23:40:01,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 5.6) internal successors, (84), 16 states have internal predecessors, (84), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-27 23:40:01,330 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 180 transitions. [2024-11-27 23:40:01,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-27 23:40:01,332 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:40:01,332 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:40:01,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-27 23:40:01,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:40:01,533 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:40:01,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:40:01,533 INFO L85 PathProgramCache]: Analyzing trace with hash 415928082, now seen corresponding path program 1 times [2024-11-27 23:40:01,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:40:01,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1820568022] [2024-11-27 23:40:01,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:01,535 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:40:01,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:40:01,539 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:40:01,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-27 23:40:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:02,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:40:02,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:02,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-27 23:40:02,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-27 23:40:02,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-27 23:40:02,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2024-11-27 23:40:02,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-27 23:40:02,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-27 23:40:02,274 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:40:02,275 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:40:02,275 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:40:02,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1820568022] [2024-11-27 23:40:02,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1820568022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:40:02,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:40:02,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:40:02,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485728334] [2024-11-27 23:40:02,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:40:02,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:40:02,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:40:02,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:40:02,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:40:02,278 INFO L87 Difference]: Start difference. First operand 130 states and 180 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:40:02,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:40:02,779 INFO L93 Difference]: Finished difference Result 213 states and 299 transitions. [2024-11-27 23:40:02,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:40:02,780 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2024-11-27 23:40:02,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:40:02,782 INFO L225 Difference]: With dead ends: 213 [2024-11-27 23:40:02,783 INFO L226 Difference]: Without dead ends: 133 [2024-11-27 23:40:02,783 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:40:02,784 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 196 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:40:02,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 368 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:40:02,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-27 23:40:02,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 130. [2024-11-27 23:40:02,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 108 states have (on average 1.3240740740740742) internal successors, (143), 108 states have internal predecessors, (143), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-27 23:40:02,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 179 transitions. [2024-11-27 23:40:02,822 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 179 transitions. Word has length 92 [2024-11-27 23:40:02,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:40:02,823 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 179 transitions. [2024-11-27 23:40:02,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:40:02,823 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 179 transitions. [2024-11-27 23:40:02,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-27 23:40:02,825 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:40:02,826 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:40:02,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-27 23:40:03,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:40:03,027 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:40:03,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:40:03,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1273015660, now seen corresponding path program 1 times [2024-11-27 23:40:03,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:40:03,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [285353120] [2024-11-27 23:40:03,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:03,028 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:40:03,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:40:03,030 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:40:03,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-27 23:40:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:03,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 23:40:03,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:03,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-27 23:40:03,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-27 23:40:03,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-27 23:40:03,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-27 23:40:03,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-27 23:40:03,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-27 23:40:03,789 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:40:03,789 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:40:03,789 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:40:03,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [285353120] [2024-11-27 23:40:03,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [285353120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:40:03,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:40:03,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:40:03,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138186553] [2024-11-27 23:40:03,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:40:03,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:40:03,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:40:03,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:40:03,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:40:03,792 INFO L87 Difference]: Start difference. First operand 130 states and 179 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:40:04,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:40:04,161 INFO L93 Difference]: Finished difference Result 213 states and 297 transitions. [2024-11-27 23:40:04,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:40:04,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2024-11-27 23:40:04,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:40:04,164 INFO L225 Difference]: With dead ends: 213 [2024-11-27 23:40:04,165 INFO L226 Difference]: Without dead ends: 133 [2024-11-27 23:40:04,165 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:40:04,167 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 103 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:40:04,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 440 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:40:04,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-27 23:40:04,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 130. [2024-11-27 23:40:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 108 states have (on average 1.3148148148148149) internal successors, (142), 108 states have internal predecessors, (142), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-27 23:40:04,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 178 transitions. [2024-11-27 23:40:04,192 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 178 transitions. Word has length 92 [2024-11-27 23:40:04,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:40:04,193 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 178 transitions. [2024-11-27 23:40:04,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:40:04,194 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 178 transitions. [2024-11-27 23:40:04,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-27 23:40:04,195 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:40:04,195 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:40:04,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-27 23:40:04,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:40:04,396 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:40:04,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:40:04,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1742087958, now seen corresponding path program 1 times [2024-11-27 23:40:04,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:40:04,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898882629] [2024-11-27 23:40:04,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:04,399 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:40:04,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:40:04,402 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:40:04,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-27 23:40:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:04,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 23:40:04,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:05,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2024-11-27 23:40:05,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 63 [2024-11-27 23:40:05,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 61 [2024-11-27 23:40:05,517 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:40:05,517 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:40:05,517 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:40:05,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1898882629] [2024-11-27 23:40:05,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1898882629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:40:05,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:40:05,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:40:05,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982755159] [2024-11-27 23:40:05,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:40:05,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:40:05,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:40:05,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:40:05,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:40:05,519 INFO L87 Difference]: Start difference. First operand 130 states and 178 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:40:06,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:40:06,126 INFO L93 Difference]: Finished difference Result 295 states and 409 transitions. [2024-11-27 23:40:06,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:40:06,128 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2024-11-27 23:40:06,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:40:06,130 INFO L225 Difference]: With dead ends: 295 [2024-11-27 23:40:06,130 INFO L226 Difference]: Without dead ends: 215 [2024-11-27 23:40:06,131 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:40:06,132 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 162 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:40:06,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 604 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:40:06,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-27 23:40:06,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 208. [2024-11-27 23:40:06,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 176 states have (on average 1.3295454545454546) internal successors, (234), 176 states have internal predecessors, (234), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:40:06,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 288 transitions. [2024-11-27 23:40:06,180 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 288 transitions. Word has length 92 [2024-11-27 23:40:06,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:40:06,180 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 288 transitions. [2024-11-27 23:40:06,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:40:06,181 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 288 transitions. [2024-11-27 23:40:06,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-27 23:40:06,182 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:40:06,183 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:40:06,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-27 23:40:06,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:40:06,383 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:40:06,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:40:06,384 INFO L85 PathProgramCache]: Analyzing trace with hash 135257809, now seen corresponding path program 1 times [2024-11-27 23:40:06,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:40:06,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2005488045] [2024-11-27 23:40:06,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:06,385 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:40:06,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:40:06,390 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:40:06,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-27 23:40:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:06,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:40:06,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:08,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-27 23:40:08,655 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-27 23:40:08,655 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:40:09,322 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 23:40:09,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 24 [2024-11-27 23:40:09,828 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-27 23:40:09,828 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:40:09,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2005488045] [2024-11-27 23:40:09,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2005488045] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:40:09,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:40:09,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-27 23:40:09,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374067636] [2024-11-27 23:40:09,829 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:40:09,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-27 23:40:09,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:40:09,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-27 23:40:09,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-27 23:40:09,832 INFO L87 Difference]: Start difference. First operand 208 states and 288 transitions. Second operand has 17 states, 15 states have (on average 6.466666666666667) internal successors, (97), 16 states have internal predecessors, (97), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-27 23:40:15,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:40:15,903 INFO L93 Difference]: Finished difference Result 410 states and 567 transitions. [2024-11-27 23:40:15,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 23:40:15,904 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 6.466666666666667) internal successors, (97), 16 states have internal predecessors, (97), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) Word has length 94 [2024-11-27 23:40:15,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:40:15,907 INFO L225 Difference]: With dead ends: 410 [2024-11-27 23:40:15,907 INFO L226 Difference]: Without dead ends: 252 [2024-11-27 23:40:15,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=199, Invalid=557, Unknown=0, NotChecked=0, Total=756 [2024-11-27 23:40:15,909 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 304 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:40:15,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 1035 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 23:40:15,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-27 23:40:15,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 222. [2024-11-27 23:40:15,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 190 states have (on average 1.3263157894736841) internal successors, (252), 190 states have internal predecessors, (252), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:40:15,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 306 transitions. [2024-11-27 23:40:15,943 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 306 transitions. Word has length 94 [2024-11-27 23:40:15,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:40:15,943 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 306 transitions. [2024-11-27 23:40:15,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 6.466666666666667) internal successors, (97), 16 states have internal predecessors, (97), 4 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (18), 2 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-27 23:40:15,943 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 306 transitions. [2024-11-27 23:40:15,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-27 23:40:15,945 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:40:15,946 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:40:15,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-27 23:40:16,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:40:16,146 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:40:16,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:40:16,147 INFO L85 PathProgramCache]: Analyzing trace with hash -875859441, now seen corresponding path program 1 times [2024-11-27 23:40:16,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:40:16,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1945743645] [2024-11-27 23:40:16,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:16,147 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:40:16,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:40:16,150 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:40:16,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-27 23:40:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:16,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:40:16,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:16,624 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:40:16,624 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:40:16,624 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:40:16,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1945743645] [2024-11-27 23:40:16,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1945743645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:40:16,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:40:16,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:40:16,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771744428] [2024-11-27 23:40:16,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:40:16,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:40:16,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:40:16,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:40:16,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:40:16,626 INFO L87 Difference]: Start difference. First operand 222 states and 306 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:40:16,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:40:16,734 INFO L93 Difference]: Finished difference Result 386 states and 536 transitions. [2024-11-27 23:40:16,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:40:16,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 94 [2024-11-27 23:40:16,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:40:16,737 INFO L225 Difference]: With dead ends: 386 [2024-11-27 23:40:16,737 INFO L226 Difference]: Without dead ends: 228 [2024-11-27 23:40:16,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:40:16,739 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:40:16,739 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 423 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:40:16,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-27 23:40:16,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2024-11-27 23:40:16,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 196 states have (on average 1.316326530612245) internal successors, (258), 196 states have internal predecessors, (258), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:40:16,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 312 transitions. [2024-11-27 23:40:16,770 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 312 transitions. Word has length 94 [2024-11-27 23:40:16,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:40:16,771 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 312 transitions. [2024-11-27 23:40:16,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:40:16,771 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 312 transitions. [2024-11-27 23:40:16,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-27 23:40:16,773 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:40:16,773 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:40:16,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-27 23:40:16,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:40:16,974 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:40:16,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:40:16,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1253560673, now seen corresponding path program 1 times [2024-11-27 23:40:16,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:40:16,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [682649941] [2024-11-27 23:40:16,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:16,975 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:40:16,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:40:16,977 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:40:16,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-27 23:40:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:17,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:40:17,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:17,503 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:40:17,503 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:40:17,503 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:40:17,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [682649941] [2024-11-27 23:40:17,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [682649941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:40:17,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:40:17,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:40:17,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880146605] [2024-11-27 23:40:17,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:40:17,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:40:17,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:40:17,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:40:17,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:40:17,505 INFO L87 Difference]: Start difference. First operand 228 states and 312 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:40:17,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:40:17,597 INFO L93 Difference]: Finished difference Result 398 states and 548 transitions. [2024-11-27 23:40:17,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:40:17,598 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-11-27 23:40:17,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:40:17,600 INFO L225 Difference]: With dead ends: 398 [2024-11-27 23:40:17,600 INFO L226 Difference]: Without dead ends: 234 [2024-11-27 23:40:17,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:40:17,602 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:40:17,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 423 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:40:17,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-27 23:40:17,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2024-11-27 23:40:17,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 202 states have (on average 1.306930693069307) internal successors, (264), 202 states have internal predecessors, (264), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:40:17,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 318 transitions. [2024-11-27 23:40:17,639 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 318 transitions. Word has length 96 [2024-11-27 23:40:17,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:40:17,640 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 318 transitions. [2024-11-27 23:40:17,640 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, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:40:17,640 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 318 transitions. [2024-11-27 23:40:17,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-27 23:40:17,641 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:40:17,641 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:40:17,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-27 23:40:17,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:40:17,842 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:40:17,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:40:17,843 INFO L85 PathProgramCache]: Analyzing trace with hash 2043975804, now seen corresponding path program 1 times [2024-11-27 23:40:17,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:40:17,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [143739771] [2024-11-27 23:40:17,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:17,843 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:40:17,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:40:17,845 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:40:17,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-27 23:40:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:18,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 23:40:18,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:18,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-27 23:40:19,100 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:40:19,100 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:40:19,100 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:40:19,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [143739771] [2024-11-27 23:40:19,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [143739771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:40:19,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:40:19,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:40:19,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313375238] [2024-11-27 23:40:19,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:40:19,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:40:19,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:40:19,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:40:19,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:40:19,103 INFO L87 Difference]: Start difference. First operand 234 states and 318 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:40:19,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:40:19,564 INFO L93 Difference]: Finished difference Result 241 states and 324 transitions. [2024-11-27 23:40:19,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:40:19,565 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 98 [2024-11-27 23:40:19,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:40:19,567 INFO L225 Difference]: With dead ends: 241 [2024-11-27 23:40:19,567 INFO L226 Difference]: Without dead ends: 239 [2024-11-27 23:40:19,568 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-27 23:40:19,569 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 133 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:40:19,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 750 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:40:19,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-27 23:40:19,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 237. [2024-11-27 23:40:19,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 205 states have (on average 1.302439024390244) internal successors, (267), 205 states have internal predecessors, (267), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:40:19,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 321 transitions. [2024-11-27 23:40:19,599 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 321 transitions. Word has length 98 [2024-11-27 23:40:19,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:40:19,600 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 321 transitions. [2024-11-27 23:40:19,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:40:19,600 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 321 transitions. [2024-11-27 23:40:19,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-27 23:40:19,602 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:40:19,602 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:40:19,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-27 23:40:19,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:40:19,803 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:40:19,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:40:19,803 INFO L85 PathProgramCache]: Analyzing trace with hash 2045822846, now seen corresponding path program 1 times [2024-11-27 23:40:19,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:40:19,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [942517363] [2024-11-27 23:40:19,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:19,804 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:40:19,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:40:19,806 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:40:19,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-27 23:40:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:20,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:40:20,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:20,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 41 [2024-11-27 23:40:20,639 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 23:40:20,640 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:40:20,640 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:40:20,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [942517363] [2024-11-27 23:40:20,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [942517363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:40:20,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:40:20,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:40:20,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444132445] [2024-11-27 23:40:20,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:40:20,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:40:20,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:40:20,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:40:20,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:40:20,642 INFO L87 Difference]: Start difference. First operand 237 states and 321 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:40:22,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:40:24,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:40:26,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:40:27,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:40:27,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:40:27,909 INFO L93 Difference]: Finished difference Result 448 states and 606 transitions. [2024-11-27 23:40:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:40:27,911 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2024-11-27 23:40:27,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:40:27,913 INFO L225 Difference]: With dead ends: 448 [2024-11-27 23:40:27,913 INFO L226 Difference]: Without dead ends: 240 [2024-11-27 23:40:27,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:40:27,914 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 87 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:40:27,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 349 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2024-11-27 23:40:27,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-27 23:40:27,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 237. [2024-11-27 23:40:27,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 205 states have (on average 1.2878048780487805) internal successors, (264), 205 states have internal predecessors, (264), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:40:27,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 318 transitions. [2024-11-27 23:40:27,944 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 318 transitions. Word has length 98 [2024-11-27 23:40:27,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:40:27,944 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 318 transitions. [2024-11-27 23:40:27,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:40:27,945 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 318 transitions. [2024-11-27 23:40:27,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-27 23:40:27,946 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:40:27,946 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:40:27,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-27 23:40:28,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:40:28,147 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:40:28,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:40:28,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1265165704, now seen corresponding path program 1 times [2024-11-27 23:40:28,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:40:28,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991598963] [2024-11-27 23:40:28,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:28,148 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:40:28,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:40:28,150 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:40:28,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-27 23:40:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:28,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-27 23:40:28,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:30,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-27 23:40:31,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 89 [2024-11-27 23:40:31,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 75 [2024-11-27 23:40:31,226 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 3 proven. 89 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-27 23:40:31,226 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:40:31,632 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:40:31,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [991598963] [2024-11-27 23:40:31,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [991598963] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:40:31,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [362471021] [2024-11-27 23:40:31,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:31,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:40:31,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:40:31,637 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:40:31,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-27 23:40:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:32,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 23:40:32,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:33,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 41 [2024-11-27 23:40:33,388 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-27 23:40:33,388 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:40:33,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [362471021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:40:33,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:40:33,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 18 [2024-11-27 23:40:33,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176484887] [2024-11-27 23:40:33,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:40:33,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:40:33,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:40:33,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:40:33,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2024-11-27 23:40:33,391 INFO L87 Difference]: Start difference. First operand 237 states and 318 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:40:35,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:40:36,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:40:38,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:40:40,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:40:40,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:40:40,358 INFO L93 Difference]: Finished difference Result 436 states and 585 transitions. [2024-11-27 23:40:40,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:40:40,369 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 100 [2024-11-27 23:40:40,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:40:40,371 INFO L225 Difference]: With dead ends: 436 [2024-11-27 23:40:40,371 INFO L226 Difference]: Without dead ends: 237 [2024-11-27 23:40:40,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 210 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=80, Invalid=472, Unknown=0, NotChecked=0, Total=552 [2024-11-27 23:40:40,372 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 79 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:40:40,372 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 347 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2024-11-27 23:40:40,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-27 23:40:40,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 231. [2024-11-27 23:40:40,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 199 states have (on average 1.2814070351758795) internal successors, (255), 199 states have internal predecessors, (255), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:40:40,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 309 transitions. [2024-11-27 23:40:40,397 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 309 transitions. Word has length 100 [2024-11-27 23:40:40,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:40:40,398 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 309 transitions. [2024-11-27 23:40:40,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-27 23:40:40,398 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 309 transitions. [2024-11-27 23:40:40,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-27 23:40:40,399 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:40:40,399 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:40:40,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-27 23:40:40,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-27 23:40:40,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:40:40,800 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:40:40,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:40:40,801 INFO L85 PathProgramCache]: Analyzing trace with hash 614464320, now seen corresponding path program 1 times [2024-11-27 23:40:40,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:40:40,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410134995] [2024-11-27 23:40:40,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:40,801 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:40:40,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:40:40,804 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:40:40,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-27 23:40:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:41,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 23:40:41,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:43,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-27 23:40:43,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 89 [2024-11-27 23:40:43,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 75 [2024-11-27 23:40:43,647 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 3 proven. 89 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-27 23:40:43,647 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:40:43,998 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:40:43,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [410134995] [2024-11-27 23:40:43,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [410134995] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:40:43,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [48594764] [2024-11-27 23:40:43,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:40:43,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:40:43,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:40:44,000 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:40:44,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-27 23:40:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:40:45,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 23:40:45,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:40:46,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 51 [2024-11-27 23:40:46,382 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 56 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 23:40:46,382 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:40:47,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-11-27 23:40:47,140 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-27 23:40:47,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [48594764] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:40:47,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:40:47,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 9] total 27 [2024-11-27 23:40:47,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770583717] [2024-11-27 23:40:47,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:40:47,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-27 23:40:47,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:40:47,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-27 23:40:47,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=712, Unknown=0, NotChecked=0, Total=812 [2024-11-27 23:40:47,143 INFO L87 Difference]: Start difference. First operand 231 states and 309 transitions. Second operand has 27 states, 25 states have (on average 6.24) internal successors, (156), 26 states have internal predecessors, (156), 7 states have call successors, (26), 6 states have call predecessors, (26), 7 states have return successors, (26), 5 states have call predecessors, (26), 7 states have call successors, (26) [2024-11-27 23:40:55,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:40:57,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:41:00,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:41:02,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:41:04,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:41:06,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:41:08,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:41:09,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:41:13,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:41:16,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:41:18,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:41:19,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:41:21,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:41:21,859 INFO L93 Difference]: Finished difference Result 978 states and 1269 transitions. [2024-11-27 23:41:21,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-27 23:41:21,862 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 6.24) internal successors, (156), 26 states have internal predecessors, (156), 7 states have call successors, (26), 6 states have call predecessors, (26), 7 states have return successors, (26), 5 states have call predecessors, (26), 7 states have call successors, (26) Word has length 102 [2024-11-27 23:41:21,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:41:21,866 INFO L225 Difference]: With dead ends: 978 [2024-11-27 23:41:21,866 INFO L226 Difference]: Without dead ends: 676 [2024-11-27 23:41:21,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 311 SyntacticMatches, 2 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1868 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=881, Invalid=6091, Unknown=0, NotChecked=0, Total=6972 [2024-11-27 23:41:21,872 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 365 mSDsluCounter, 1728 mSDsCounter, 0 mSdLazyCounter, 1278 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:41:21,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 1865 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1278 Invalid, 0 Unknown, 0 Unchecked, 28.2s Time] [2024-11-27 23:41:21,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2024-11-27 23:41:21,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 455. [2024-11-27 23:41:21,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 393 states have (on average 1.2391857506361323) internal successors, (487), 395 states have internal predecessors, (487), 49 states have call successors, (49), 12 states have call predecessors, (49), 12 states have return successors, (49), 47 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-27 23:41:21,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 585 transitions. [2024-11-27 23:41:21,943 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 585 transitions. Word has length 102 [2024-11-27 23:41:21,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:41:21,943 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 585 transitions. [2024-11-27 23:41:21,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 6.24) internal successors, (156), 26 states have internal predecessors, (156), 7 states have call successors, (26), 6 states have call predecessors, (26), 7 states have return successors, (26), 5 states have call predecessors, (26), 7 states have call successors, (26) [2024-11-27 23:41:21,944 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 585 transitions. [2024-11-27 23:41:21,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-27 23:41:21,946 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:41:21,946 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:41:21,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-11-27 23:41:22,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-27 23:41:22,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-27 23:41:22,347 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:41:22,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:41:22,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1945571008, now seen corresponding path program 1 times [2024-11-27 23:41:22,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:41:22,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1278296043] [2024-11-27 23:41:22,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:41:22,348 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:41:22,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:41:22,350 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:41:22,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-27 23:41:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:41:22,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 23:41:22,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:41:23,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-27 23:41:23,222 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-27 23:41:23,222 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:41:23,474 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:41:23,474 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:41:23,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1278296043] [2024-11-27 23:41:23,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1278296043] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:41:23,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:41:23,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2024-11-27 23:41:23,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671693386] [2024-11-27 23:41:23,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:41:23,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:41:23,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:41:23,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:41:23,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:41:23,476 INFO L87 Difference]: Start difference. First operand 455 states and 585 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:41:23,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:41:23,934 INFO L93 Difference]: Finished difference Result 1045 states and 1343 transitions. [2024-11-27 23:41:23,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:41:23,936 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 102 [2024-11-27 23:41:23,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:41:23,943 INFO L225 Difference]: With dead ends: 1045 [2024-11-27 23:41:23,947 INFO L226 Difference]: Without dead ends: 693 [2024-11-27 23:41:23,948 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:41:23,949 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 43 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:41:23,949 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 509 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:41:23,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-11-27 23:41:24,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 687. [2024-11-27 23:41:24,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 613 states have (on average 1.2414355628058729) internal successors, (761), 619 states have internal predecessors, (761), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 51 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-27 23:41:24,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 875 transitions. [2024-11-27 23:41:24,047 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 875 transitions. Word has length 102 [2024-11-27 23:41:24,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:41:24,048 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 875 transitions. [2024-11-27 23:41:24,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:41:24,049 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 875 transitions. [2024-11-27 23:41:24,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-27 23:41:24,052 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:41:24,052 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:41:24,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2024-11-27 23:41:24,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:41:24,253 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:41:24,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:41:24,253 INFO L85 PathProgramCache]: Analyzing trace with hash 773123370, now seen corresponding path program 1 times [2024-11-27 23:41:24,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:41:24,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67629498] [2024-11-27 23:41:24,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:41:24,254 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:41:24,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:41:24,256 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:41:24,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-27 23:41:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:41:24,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 23:41:24,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:41:25,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-27 23:41:26,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-27 23:41:26,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-27 23:41:26,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2024-11-27 23:41:26,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-27 23:41:26,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-27 23:41:26,668 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 5 proven. 87 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-27 23:41:26,668 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:41:27,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2024-11-27 23:41:27,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2024-11-27 23:41:27,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2024-11-27 23:41:27,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2024-11-27 23:41:27,453 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:41:27,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67629498] [2024-11-27 23:41:27,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67629498] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:41:27,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1280632444] [2024-11-27 23:41:27,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:41:27,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:41:27,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:41:27,456 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:41:27,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-27 23:41:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:41:29,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 23:41:29,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:41:30,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-27 23:41:30,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-27 23:41:30,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-11-27 23:41:30,742 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:41:30,742 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:41:30,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1280632444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:41:30,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:41:30,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 13 [2024-11-27 23:41:30,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87588079] [2024-11-27 23:41:30,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:41:30,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:41:30,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:41:30,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:41:30,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-11-27 23:41:30,744 INFO L87 Difference]: Start difference. First operand 687 states and 875 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:41:31,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:41:31,320 INFO L93 Difference]: Finished difference Result 1239 states and 1583 transitions. [2024-11-27 23:41:31,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:41:31,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 102 [2024-11-27 23:41:31,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:41:31,326 INFO L225 Difference]: With dead ends: 1239 [2024-11-27 23:41:31,327 INFO L226 Difference]: Without dead ends: 677 [2024-11-27 23:41:31,330 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 214 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2024-11-27 23:41:31,331 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 127 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:41:31,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 425 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:41:31,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2024-11-27 23:41:31,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 675. [2024-11-27 23:41:31,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 601 states have (on average 1.232945091514143) internal successors, (741), 607 states have internal predecessors, (741), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 51 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-27 23:41:31,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 855 transitions. [2024-11-27 23:41:31,444 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 855 transitions. Word has length 102 [2024-11-27 23:41:31,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:41:31,445 INFO L471 AbstractCegarLoop]: Abstraction has 675 states and 855 transitions. [2024-11-27 23:41:31,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:41:31,446 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 855 transitions. [2024-11-27 23:41:31,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-27 23:41:31,449 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:41:31,449 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:41:31,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-11-27 23:41:31,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-27 23:41:31,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-27 23:41:31,851 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:41:31,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:41:31,852 INFO L85 PathProgramCache]: Analyzing trace with hash 2132138304, now seen corresponding path program 1 times [2024-11-27 23:41:31,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:41:31,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1265434742] [2024-11-27 23:41:31,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:41:31,853 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:41:31,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:41:31,856 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:41:31,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-27 23:41:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:41:32,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:41:32,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:41:32,419 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-27 23:41:32,420 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:41:32,420 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:41:32,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1265434742] [2024-11-27 23:41:32,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1265434742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:41:32,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:41:32,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:41:32,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427327359] [2024-11-27 23:41:32,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:41:32,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:41:32,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:41:32,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:41:32,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:41:32,422 INFO L87 Difference]: Start difference. First operand 675 states and 855 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-27 23:41:32,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:41:32,799 INFO L93 Difference]: Finished difference Result 1290 states and 1634 transitions. [2024-11-27 23:41:32,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:41:32,800 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 102 [2024-11-27 23:41:32,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:41:32,804 INFO L225 Difference]: With dead ends: 1290 [2024-11-27 23:41:32,804 INFO L226 Difference]: Without dead ends: 691 [2024-11-27 23:41:32,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:41:32,807 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 1 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:41:32,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 464 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:41:32,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2024-11-27 23:41:32,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 675. [2024-11-27 23:41:32,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 601 states have (on average 1.2229617304492513) internal successors, (735), 607 states have internal predecessors, (735), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 51 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-27 23:41:32,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 849 transitions. [2024-11-27 23:41:32,918 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 849 transitions. Word has length 102 [2024-11-27 23:41:32,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:41:32,919 INFO L471 AbstractCegarLoop]: Abstraction has 675 states and 849 transitions. [2024-11-27 23:41:32,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-27 23:41:32,919 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 849 transitions. [2024-11-27 23:41:32,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-27 23:41:32,922 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:41:32,922 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:41:32,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2024-11-27 23:41:33,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:41:33,123 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:41:33,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:41:33,124 INFO L85 PathProgramCache]: Analyzing trace with hash 116170748, now seen corresponding path program 1 times [2024-11-27 23:41:33,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:41:33,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140686548] [2024-11-27 23:41:33,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:41:33,125 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:41:33,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:41:33,127 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:41:33,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-11-27 23:41:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:41:33,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:41:33,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:41:33,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 40 [2024-11-27 23:41:34,033 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 20 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-27 23:41:34,033 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:41:34,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2024-11-27 23:41:34,359 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-27 23:41:34,359 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:41:34,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [140686548] [2024-11-27 23:41:34,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [140686548] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:41:34,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:41:34,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-27 23:41:34,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867665269] [2024-11-27 23:41:34,360 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:41:34,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:41:34,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:41:34,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:41:34,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:41:34,362 INFO L87 Difference]: Start difference. First operand 675 states and 849 transitions. Second operand has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-27 23:41:37,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:41:39,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:41:41,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:41:44,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:41:44,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:41:44,345 INFO L93 Difference]: Finished difference Result 997 states and 1243 transitions. [2024-11-27 23:41:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 23:41:44,358 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 102 [2024-11-27 23:41:44,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:41:44,361 INFO L225 Difference]: With dead ends: 997 [2024-11-27 23:41:44,361 INFO L226 Difference]: Without dead ends: 377 [2024-11-27 23:41:44,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2024-11-27 23:41:44,364 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 84 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:41:44,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 589 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2024-11-27 23:41:44,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-27 23:41:44,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 367. [2024-11-27 23:41:44,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 324 states have (on average 1.2067901234567902) internal successors, (391), 326 states have internal predecessors, (391), 31 states have call successors, (31), 11 states have call predecessors, (31), 11 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-27 23:41:44,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 453 transitions. [2024-11-27 23:41:44,422 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 453 transitions. Word has length 102 [2024-11-27 23:41:44,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:41:44,423 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 453 transitions. [2024-11-27 23:41:44,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.0) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-27 23:41:44,423 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 453 transitions. [2024-11-27 23:41:44,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-27 23:41:44,425 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:41:44,425 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:41:44,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2024-11-27 23:41:44,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:41:44,626 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:41:44,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:41:44,626 INFO L85 PathProgramCache]: Analyzing trace with hash -674912468, now seen corresponding path program 1 times [2024-11-27 23:41:44,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:41:44,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [57829090] [2024-11-27 23:41:44,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:41:44,627 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:41:44,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:41:44,629 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:41:44,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-11-27 23:41:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:41:45,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:41:45,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:41:45,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-27 23:41:45,609 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:41:45,609 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:41:45,610 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:41:45,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [57829090] [2024-11-27 23:41:45,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [57829090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:41:45,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:41:45,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:41:45,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023260086] [2024-11-27 23:41:45,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:41:45,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:41:45,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:41:45,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:41:45,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:41:45,613 INFO L87 Difference]: Start difference. First operand 367 states and 453 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:41:45,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:41:45,874 INFO L93 Difference]: Finished difference Result 670 states and 828 transitions. [2024-11-27 23:41:45,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:41:45,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 103 [2024-11-27 23:41:45,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:41:45,878 INFO L225 Difference]: With dead ends: 670 [2024-11-27 23:41:45,878 INFO L226 Difference]: Without dead ends: 369 [2024-11-27 23:41:45,879 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:41:45,880 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 49 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:41:45,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 280 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:41:45,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-27 23:41:45,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 367. [2024-11-27 23:41:45,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 324 states have (on average 1.2006172839506173) internal successors, (389), 326 states have internal predecessors, (389), 31 states have call successors, (31), 11 states have call predecessors, (31), 11 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-27 23:41:45,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 451 transitions. [2024-11-27 23:41:45,948 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 451 transitions. Word has length 103 [2024-11-27 23:41:45,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:41:45,948 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 451 transitions. [2024-11-27 23:41:45,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:41:45,949 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 451 transitions. [2024-11-27 23:41:45,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-27 23:41:45,950 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:41:45,951 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:41:45,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-11-27 23:41:46,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:41:46,151 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:41:46,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:41:46,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1248315566, now seen corresponding path program 1 times [2024-11-27 23:41:46,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:41:46,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1888811812] [2024-11-27 23:41:46,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:41:46,152 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:41:46,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:41:46,154 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:41:46,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-27 23:41:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:41:46,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:41:46,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:41:47,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-27 23:41:47,943 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-27 23:41:47,943 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:41:48,351 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:41:48,351 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:41:48,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1888811812] [2024-11-27 23:41:48,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1888811812] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:41:48,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:41:48,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-27 23:41:48,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49244049] [2024-11-27 23:41:48,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:41:48,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:41:48,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:41:48,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:41:48,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:41:48,353 INFO L87 Difference]: Start difference. First operand 367 states and 451 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:41:48,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:41:48,610 INFO L93 Difference]: Finished difference Result 735 states and 898 transitions. [2024-11-27 23:41:48,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:41:48,611 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 103 [2024-11-27 23:41:48,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:41:48,614 INFO L225 Difference]: With dead ends: 735 [2024-11-27 23:41:48,614 INFO L226 Difference]: Without dead ends: 445 [2024-11-27 23:41:48,615 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:41:48,616 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 134 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:41:48,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 469 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:41:48,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-27 23:41:48,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 441. [2024-11-27 23:41:48,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 382 states have (on average 1.1806282722513088) internal successors, (451), 384 states have internal predecessors, (451), 41 states have call successors, (41), 17 states have call predecessors, (41), 17 states have return successors, (41), 39 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-27 23:41:48,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 533 transitions. [2024-11-27 23:41:48,704 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 533 transitions. Word has length 103 [2024-11-27 23:41:48,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:41:48,706 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 533 transitions. [2024-11-27 23:41:48,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:41:48,706 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 533 transitions. [2024-11-27 23:41:48,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-27 23:41:48,710 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:41:48,710 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:41:48,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-11-27 23:41:48,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:41:48,911 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:41:48,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:41:48,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1632334982, now seen corresponding path program 1 times [2024-11-27 23:41:48,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:41:48,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1373850909] [2024-11-27 23:41:48,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:41:48,912 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:41:48,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:41:48,919 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:41:48,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-11-27 23:41:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:41:49,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:41:49,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:41:50,454 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-27 23:41:50,454 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:41:50,643 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:41:50,643 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:41:50,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1373850909] [2024-11-27 23:41:50,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1373850909] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:41:50,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:41:50,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-27 23:41:50,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58620401] [2024-11-27 23:41:50,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:41:50,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:41:50,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:41:50,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:41:50,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:41:50,644 INFO L87 Difference]: Start difference. First operand 441 states and 533 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:41:50,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:41:50,825 INFO L93 Difference]: Finished difference Result 815 states and 979 transitions. [2024-11-27 23:41:50,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:41:50,826 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 104 [2024-11-27 23:41:50,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:41:50,830 INFO L225 Difference]: With dead ends: 815 [2024-11-27 23:41:50,830 INFO L226 Difference]: Without dead ends: 451 [2024-11-27 23:41:50,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:41:50,832 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 72 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:41:50,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 400 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:41:50,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-27 23:41:50,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 403. [2024-11-27 23:41:50,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 349 states have (on average 1.186246418338109) internal successors, (414), 351 states have internal predecessors, (414), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-27 23:41:50,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 488 transitions. [2024-11-27 23:41:50,942 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 488 transitions. Word has length 104 [2024-11-27 23:41:50,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:41:50,943 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 488 transitions. [2024-11-27 23:41:50,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:41:50,943 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 488 transitions. [2024-11-27 23:41:50,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-27 23:41:50,945 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:41:50,945 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:41:50,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2024-11-27 23:41:51,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:41:51,149 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:41:51,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:41:51,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1679916568, now seen corresponding path program 1 times [2024-11-27 23:41:51,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:41:51,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [624152847] [2024-11-27 23:41:51,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:41:51,150 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:41:51,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:41:51,153 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:41:51,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-11-27 23:41:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:41:51,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:41:51,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:41:52,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-27 23:41:52,311 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:41:52,311 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:41:52,311 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:41:52,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [624152847] [2024-11-27 23:41:52,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [624152847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:41:52,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:41:52,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:41:52,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620693637] [2024-11-27 23:41:52,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:41:52,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:41:52,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:41:52,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:41:52,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:41:52,313 INFO L87 Difference]: Start difference. First operand 403 states and 488 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:41:52,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:41:52,538 INFO L93 Difference]: Finished difference Result 727 states and 883 transitions. [2024-11-27 23:41:52,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:41:52,539 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 105 [2024-11-27 23:41:52,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:41:52,541 INFO L225 Difference]: With dead ends: 727 [2024-11-27 23:41:52,542 INFO L226 Difference]: Without dead ends: 405 [2024-11-27 23:41:52,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:41:52,543 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 30 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:41:52,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 281 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:41:52,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-27 23:41:52,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 403. [2024-11-27 23:41:52,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 349 states have (on average 1.183381088825215) internal successors, (413), 351 states have internal predecessors, (413), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-27 23:41:52,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 487 transitions. [2024-11-27 23:41:52,612 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 487 transitions. Word has length 105 [2024-11-27 23:41:52,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:41:52,613 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 487 transitions. [2024-11-27 23:41:52,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:41:52,613 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 487 transitions. [2024-11-27 23:41:52,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-27 23:41:52,615 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:41:52,615 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:41:52,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-11-27 23:41:52,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:41:52,816 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:41:52,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:41:52,817 INFO L85 PathProgramCache]: Analyzing trace with hash -978851990, now seen corresponding path program 1 times [2024-11-27 23:41:52,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:41:52,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [62275699] [2024-11-27 23:41:52,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:41:52,818 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:41:52,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:41:52,824 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:41:52,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-11-27 23:41:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:41:53,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 23:41:53,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:41:53,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-11-27 23:41:53,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-27 23:41:53,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-27 23:41:54,141 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 23:41:54,141 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:41:54,141 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:41:54,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [62275699] [2024-11-27 23:41:54,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [62275699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:41:54,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:41:54,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 23:41:54,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549648081] [2024-11-27 23:41:54,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:41:54,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 23:41:54,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:41:54,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 23:41:54,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:41:54,143 INFO L87 Difference]: Start difference. First operand 403 states and 487 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:41:55,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:41:55,362 INFO L93 Difference]: Finished difference Result 769 states and 926 transitions. [2024-11-27 23:41:55,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 23:41:55,368 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 105 [2024-11-27 23:41:55,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:41:55,371 INFO L225 Difference]: With dead ends: 769 [2024-11-27 23:41:55,371 INFO L226 Difference]: Without dead ends: 447 [2024-11-27 23:41:55,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-27 23:41:55,375 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 184 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 1349 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:41:55,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 1349 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 23:41:55,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-11-27 23:41:55,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 405. [2024-11-27 23:41:55,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 351 states have (on average 1.1823361823361824) internal successors, (415), 353 states have internal predecessors, (415), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-27 23:41:55,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 489 transitions. [2024-11-27 23:41:55,446 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 489 transitions. Word has length 105 [2024-11-27 23:41:55,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:41:55,447 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 489 transitions. [2024-11-27 23:41:55,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:41:55,448 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 489 transitions. [2024-11-27 23:41:55,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-27 23:41:55,451 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:41:55,451 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:41:55,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2024-11-27 23:41:55,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:41:55,652 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:41:55,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:41:55,653 INFO L85 PathProgramCache]: Analyzing trace with hash -137577568, now seen corresponding path program 1 times [2024-11-27 23:41:55,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:41:55,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [963047305] [2024-11-27 23:41:55,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:41:55,653 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:41:55,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:41:55,655 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:41:55,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-11-27 23:41:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:41:56,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:41:56,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:41:56,461 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2024-11-27 23:41:56,462 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:41:56,462 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:41:56,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [963047305] [2024-11-27 23:41:56,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [963047305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:41:56,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:41:56,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:41:56,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336986685] [2024-11-27 23:41:56,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:41:56,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:41:56,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:41:56,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:41:56,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:41:56,464 INFO L87 Difference]: Start difference. First operand 405 states and 489 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:41:56,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:41:56,621 INFO L93 Difference]: Finished difference Result 739 states and 899 transitions. [2024-11-27 23:41:56,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:41:56,622 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 195 [2024-11-27 23:41:56,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:41:56,625 INFO L225 Difference]: With dead ends: 739 [2024-11-27 23:41:56,625 INFO L226 Difference]: Without dead ends: 415 [2024-11-27 23:41:56,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:41:56,626 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 1 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:41:56,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 492 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:41:56,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-27 23:41:56,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2024-11-27 23:41:56,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 361 states have (on average 1.1634349030470914) internal successors, (420), 363 states have internal predecessors, (420), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-27 23:41:56,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 494 transitions. [2024-11-27 23:41:56,696 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 494 transitions. Word has length 195 [2024-11-27 23:41:56,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:41:56,697 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 494 transitions. [2024-11-27 23:41:56,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:41:56,697 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 494 transitions. [2024-11-27 23:41:56,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-27 23:41:56,699 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:41:56,700 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:41:56,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2024-11-27 23:41:56,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:41:56,901 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:41:56,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:41:56,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1637429794, now seen corresponding path program 1 times [2024-11-27 23:41:56,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:41:56,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1311485060] [2024-11-27 23:41:56,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:41:56,903 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:41:56,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:41:56,905 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:41:56,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-11-27 23:41:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:41:57,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:41:57,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:41:57,776 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2024-11-27 23:41:57,776 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:41:57,776 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:41:57,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1311485060] [2024-11-27 23:41:57,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1311485060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:41:57,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:41:57,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 23:41:57,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339582789] [2024-11-27 23:41:57,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:41:57,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:41:57,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:41:57,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:41:57,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:41:57,779 INFO L87 Difference]: Start difference. First operand 415 states and 494 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:41:58,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:41:58,042 INFO L93 Difference]: Finished difference Result 751 states and 896 transitions. [2024-11-27 23:41:58,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:41:58,043 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 195 [2024-11-27 23:41:58,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:41:58,045 INFO L225 Difference]: With dead ends: 751 [2024-11-27 23:41:58,045 INFO L226 Difference]: Without dead ends: 417 [2024-11-27 23:41:58,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:41:58,046 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 1 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:41:58,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 585 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:41:58,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-27 23:41:58,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 415. [2024-11-27 23:41:58,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 361 states have (on average 1.1523545706371192) internal successors, (416), 363 states have internal predecessors, (416), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-27 23:41:58,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 490 transitions. [2024-11-27 23:41:58,120 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 490 transitions. Word has length 195 [2024-11-27 23:41:58,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:41:58,121 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 490 transitions. [2024-11-27 23:41:58,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:41:58,121 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 490 transitions. [2024-11-27 23:41:58,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-27 23:41:58,123 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:41:58,124 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:41:58,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2024-11-27 23:41:58,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:41:58,324 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:41:58,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:41:58,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1639276836, now seen corresponding path program 1 times [2024-11-27 23:41:58,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:41:58,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091548873] [2024-11-27 23:41:58,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:41:58,326 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:41:58,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:41:58,331 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:41:58,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2024-11-27 23:41:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:41:59,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 23:41:59,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:42:00,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2024-11-27 23:42:00,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-27 23:42:00,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2024-11-27 23:42:00,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 63 [2024-11-27 23:42:00,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 66 [2024-11-27 23:42:01,049 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 16 proven. 340 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 23:42:01,049 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:42:01,331 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2024-11-27 23:42:01,331 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:42:01,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091548873] [2024-11-27 23:42:01,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091548873] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:42:01,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:42:01,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 13 [2024-11-27 23:42:01,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149362436] [2024-11-27 23:42:01,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:42:01,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:42:01,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:42:01,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:42:01,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:42:01,332 INFO L87 Difference]: Start difference. First operand 415 states and 490 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:42:01,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:42:01,657 INFO L93 Difference]: Finished difference Result 590 states and 703 transitions. [2024-11-27 23:42:01,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:42:01,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 195 [2024-11-27 23:42:01,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:42:01,660 INFO L225 Difference]: With dead ends: 590 [2024-11-27 23:42:01,660 INFO L226 Difference]: Without dead ends: 418 [2024-11-27 23:42:01,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-27 23:42:01,661 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 98 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:42:01,661 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 497 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:42:01,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-27 23:42:01,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 411. [2024-11-27 23:42:01,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 357 states have (on average 1.1484593837535013) internal successors, (410), 359 states have internal predecessors, (410), 37 states have call successors, (37), 16 states have call predecessors, (37), 16 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-27 23:42:01,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 484 transitions. [2024-11-27 23:42:01,733 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 484 transitions. Word has length 195 [2024-11-27 23:42:01,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:42:01,734 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 484 transitions. [2024-11-27 23:42:01,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:42:01,734 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 484 transitions. [2024-11-27 23:42:01,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-27 23:42:01,736 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:42:01,736 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:42:01,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2024-11-27 23:42:01,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:42:01,937 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:42:01,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:42:01,937 INFO L85 PathProgramCache]: Analyzing trace with hash -560193953, now seen corresponding path program 1 times [2024-11-27 23:42:01,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:42:01,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1607556456] [2024-11-27 23:42:01,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:42:01,938 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:42:01,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:42:01,942 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:42:01,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2024-11-27 23:42:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:42:02,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-27 23:42:02,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:42:04,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2024-11-27 23:42:04,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 54 [2024-11-27 23:42:04,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 50 [2024-11-27 23:42:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 14 proven. 344 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 23:42:04,607 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:42:04,969 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2024-11-27 23:42:04,970 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:42:04,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1607556456] [2024-11-27 23:42:04,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1607556456] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:42:04,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:42:04,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 13 [2024-11-27 23:42:04,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851150390] [2024-11-27 23:42:04,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:42:04,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:42:04,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:42:04,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:42:04,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:42:04,972 INFO L87 Difference]: Start difference. First operand 411 states and 484 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:42:05,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:42:05,542 INFO L93 Difference]: Finished difference Result 686 states and 814 transitions. [2024-11-27 23:42:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:42:05,543 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 197 [2024-11-27 23:42:05,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:42:05,545 INFO L225 Difference]: With dead ends: 686 [2024-11-27 23:42:05,546 INFO L226 Difference]: Without dead ends: 518 [2024-11-27 23:42:05,546 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:42:05,546 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 49 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:42:05,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 611 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:42:05,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-11-27 23:42:05,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 473. [2024-11-27 23:42:05,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 416 states have (on average 1.1610576923076923) internal successors, (483), 419 states have internal predecessors, (483), 39 states have call successors, (39), 17 states have call predecessors, (39), 17 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-27 23:42:05,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 561 transitions. [2024-11-27 23:42:05,642 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 561 transitions. Word has length 197 [2024-11-27 23:42:05,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:42:05,642 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 561 transitions. [2024-11-27 23:42:05,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:42:05,643 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 561 transitions. [2024-11-27 23:42:05,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-27 23:42:05,648 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:42:05,648 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:42:05,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2024-11-27 23:42:05,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:42:05,849 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:42:05,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:42:05,849 INFO L85 PathProgramCache]: Analyzing trace with hash -419645343, now seen corresponding path program 1 times [2024-11-27 23:42:05,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:42:05,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [407088557] [2024-11-27 23:42:05,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:42:05,850 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:42:05,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:42:05,852 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:42:05,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2024-11-27 23:42:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:42:06,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-27 23:42:06,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:42:09,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-27 23:42:09,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-27 23:42:10,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-27 23:42:13,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2024-11-27 23:42:13,217 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 24 proven. 510 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-27 23:42:13,217 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:42:13,772 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2024-11-27 23:42:13,772 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:42:13,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [407088557] [2024-11-27 23:42:13,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [407088557] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:42:13,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:42:13,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [21] total 25 [2024-11-27 23:42:13,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195705259] [2024-11-27 23:42:13,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:42:13,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:42:13,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:42:13,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:42:13,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2024-11-27 23:42:13,774 INFO L87 Difference]: Start difference. First operand 473 states and 561 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:42:13,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:42:13,974 INFO L93 Difference]: Finished difference Result 860 states and 1020 transitions. [2024-11-27 23:42:13,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:42:13,975 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 197 [2024-11-27 23:42:13,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:42:13,978 INFO L225 Difference]: With dead ends: 860 [2024-11-27 23:42:13,978 INFO L226 Difference]: Without dead ends: 468 [2024-11-27 23:42:13,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2024-11-27 23:42:13,980 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 41 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:42:13,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 403 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:42:13,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-11-27 23:42:14,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 414. [2024-11-27 23:42:14,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 357 states have (on average 1.145658263305322) internal successors, (409), 360 states have internal predecessors, (409), 39 states have call successors, (39), 17 states have call predecessors, (39), 17 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-27 23:42:14,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 487 transitions. [2024-11-27 23:42:14,060 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 487 transitions. Word has length 197 [2024-11-27 23:42:14,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:42:14,061 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 487 transitions. [2024-11-27 23:42:14,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:42:14,061 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 487 transitions. [2024-11-27 23:42:14,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-27 23:42:14,063 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:42:14,063 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:42:14,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2024-11-27 23:42:14,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:42:14,264 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:42:14,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:42:14,267 INFO L85 PathProgramCache]: Analyzing trace with hash -830187192, now seen corresponding path program 1 times [2024-11-27 23:42:14,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:42:14,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1853821606] [2024-11-27 23:42:14,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:42:14,268 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:42:14,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:42:14,270 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:42:14,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2024-11-27 23:42:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:42:15,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:42:15,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:42:15,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-27 23:42:15,622 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-27 23:42:15,622 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:42:15,622 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:42:15,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1853821606] [2024-11-27 23:42:15,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1853821606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:42:15,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:42:15,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:42:15,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775431473] [2024-11-27 23:42:15,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:42:15,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:42:15,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:42:15,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:42:15,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:42:15,624 INFO L87 Difference]: Start difference. First operand 414 states and 487 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:42:16,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:42:16,024 INFO L93 Difference]: Finished difference Result 426 states and 501 transitions. [2024-11-27 23:42:16,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:42:16,025 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 201 [2024-11-27 23:42:16,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:42:16,028 INFO L225 Difference]: With dead ends: 426 [2024-11-27 23:42:16,029 INFO L226 Difference]: Without dead ends: 424 [2024-11-27 23:42:16,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:42:16,030 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 81 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:42:16,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 606 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:42:16,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-27 23:42:16,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 423. [2024-11-27 23:42:16,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 366 states have (on average 1.1420765027322404) internal successors, (418), 369 states have internal predecessors, (418), 39 states have call successors, (39), 17 states have call predecessors, (39), 17 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-27 23:42:16,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 496 transitions. [2024-11-27 23:42:16,123 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 496 transitions. Word has length 201 [2024-11-27 23:42:16,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:42:16,124 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 496 transitions. [2024-11-27 23:42:16,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:42:16,125 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 496 transitions. [2024-11-27 23:42:16,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-27 23:42:16,126 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:42:16,127 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:42:16,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Ended with exit code 0 [2024-11-27 23:42:16,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:42:16,327 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:42:16,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:42:16,328 INFO L85 PathProgramCache]: Analyzing trace with hash -225780426, now seen corresponding path program 1 times [2024-11-27 23:42:16,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:42:16,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [661977497] [2024-11-27 23:42:16,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:42:16,329 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:42:16,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:42:16,331 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:42:16,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2024-11-27 23:42:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:42:17,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 23:42:17,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:42:18,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-27 23:42:19,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-27 23:42:19,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-27 23:42:19,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2024-11-27 23:42:19,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-27 23:42:19,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-27 23:42:19,636 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 15 proven. 345 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 23:42:19,636 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:42:20,076 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2024-11-27 23:42:20,076 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:42:20,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [661977497] [2024-11-27 23:42:20,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [661977497] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:42:20,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:42:20,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2024-11-27 23:42:20,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725817189] [2024-11-27 23:42:20,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:42:20,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:42:20,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:42:20,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:42:20,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:42:20,078 INFO L87 Difference]: Start difference. First operand 423 states and 496 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:42:20,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:42:20,653 INFO L93 Difference]: Finished difference Result 962 states and 1125 transitions. [2024-11-27 23:42:20,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:42:20,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 201 [2024-11-27 23:42:20,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:42:20,658 INFO L225 Difference]: With dead ends: 962 [2024-11-27 23:42:20,658 INFO L226 Difference]: Without dead ends: 733 [2024-11-27 23:42:20,659 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-27 23:42:20,660 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 153 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:42:20,660 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 267 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:42:20,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2024-11-27 23:42:20,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 467. [2024-11-27 23:42:20,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 410 states have (on average 1.1414634146341462) internal successors, (468), 413 states have internal predecessors, (468), 39 states have call successors, (39), 17 states have call predecessors, (39), 17 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-27 23:42:20,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 546 transitions. [2024-11-27 23:42:20,746 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 546 transitions. Word has length 201 [2024-11-27 23:42:20,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:42:20,746 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 546 transitions. [2024-11-27 23:42:20,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:42:20,746 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 546 transitions. [2024-11-27 23:42:20,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-27 23:42:20,748 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:42:20,748 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:42:20,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Ended with exit code 0 [2024-11-27 23:42:20,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:42:20,949 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:42:20,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:42:20,950 INFO L85 PathProgramCache]: Analyzing trace with hash -182007215, now seen corresponding path program 1 times [2024-11-27 23:42:20,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:42:20,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [345794939] [2024-11-27 23:42:20,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:42:20,952 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:42:20,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:42:20,954 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:42:20,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2024-11-27 23:42:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:42:21,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-27 23:42:21,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:42:23,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-27 23:42:23,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-27 23:42:23,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-27 23:42:23,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-27 23:42:23,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2024-11-27 23:42:23,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-27 23:42:23,756 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 24 proven. 336 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 23:42:23,756 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:42:23,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2024-11-27 23:42:24,168 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-27 23:42:24,169 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:42:24,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [345794939] [2024-11-27 23:42:24,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [345794939] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:42:24,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:42:24,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-27 23:42:24,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690098353] [2024-11-27 23:42:24,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:42:24,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:42:24,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:42:24,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:42:24,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:42:24,171 INFO L87 Difference]: Start difference. First operand 467 states and 546 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:42:24,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:42:24,814 INFO L93 Difference]: Finished difference Result 1015 states and 1169 transitions. [2024-11-27 23:42:24,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:42:24,815 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 203 [2024-11-27 23:42:24,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:42:24,817 INFO L225 Difference]: With dead ends: 1015 [2024-11-27 23:42:24,817 INFO L226 Difference]: Without dead ends: 604 [2024-11-27 23:42:24,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-27 23:42:24,818 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 184 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:42:24,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 275 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:42:24,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2024-11-27 23:42:24,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 336. [2024-11-27 23:42:24,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 293 states have (on average 1.10580204778157) internal successors, (324), 293 states have internal predecessors, (324), 27 states have call successors, (27), 15 states have call predecessors, (27), 15 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:42:24,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 378 transitions. [2024-11-27 23:42:24,886 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 378 transitions. Word has length 203 [2024-11-27 23:42:24,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:42:24,886 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 378 transitions. [2024-11-27 23:42:24,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:42:24,887 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 378 transitions. [2024-11-27 23:42:24,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-27 23:42:24,888 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:42:24,889 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:42:24,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2024-11-27 23:42:25,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:42:25,090 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:42:25,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:42:25,091 INFO L85 PathProgramCache]: Analyzing trace with hash -340362338, now seen corresponding path program 1 times [2024-11-27 23:42:25,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:42:25,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [373537378] [2024-11-27 23:42:25,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:42:25,092 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:42:25,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:42:25,095 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:42:25,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2024-11-27 23:42:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:42:25,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 23:42:25,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:42:25,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-27 23:42:26,047 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-11-27 23:42:26,047 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:42:26,047 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:42:26,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [373537378] [2024-11-27 23:42:26,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [373537378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:42:26,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:42:26,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 23:42:26,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545433354] [2024-11-27 23:42:26,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:42:26,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:42:26,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:42:26,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:42:26,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:42:26,049 INFO L87 Difference]: Start difference. First operand 336 states and 378 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:42:26,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:42:26,644 INFO L93 Difference]: Finished difference Result 605 states and 685 transitions. [2024-11-27 23:42:26,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:42:26,644 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 204 [2024-11-27 23:42:26,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:42:26,646 INFO L225 Difference]: With dead ends: 605 [2024-11-27 23:42:26,646 INFO L226 Difference]: Without dead ends: 436 [2024-11-27 23:42:26,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:42:26,647 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 75 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:42:26,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 898 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:42:26,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-27 23:42:26,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 356. [2024-11-27 23:42:26,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 313 states have (on average 1.1054313099041533) internal successors, (346), 313 states have internal predecessors, (346), 27 states have call successors, (27), 15 states have call predecessors, (27), 15 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:42:26,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 400 transitions. [2024-11-27 23:42:26,714 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 400 transitions. Word has length 204 [2024-11-27 23:42:26,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:42:26,715 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 400 transitions. [2024-11-27 23:42:26,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:42:26,715 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 400 transitions. [2024-11-27 23:42:26,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-27 23:42:26,717 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:42:26,717 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:42:26,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Ended with exit code 0 [2024-11-27 23:42:26,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:42:26,918 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:42:26,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:42:26,918 INFO L85 PathProgramCache]: Analyzing trace with hash 360702240, now seen corresponding path program 1 times [2024-11-27 23:42:26,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:42:26,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [988944014] [2024-11-27 23:42:26,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:42:26,919 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:42:26,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:42:26,921 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:42:26,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2024-11-27 23:42:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:42:27,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 23:42:27,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:42:27,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-27 23:42:27,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2024-11-27 23:42:27,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-27 23:42:28,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2024-11-27 23:42:28,113 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-27 23:42:28,113 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:42:28,113 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:42:28,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [988944014] [2024-11-27 23:42:28,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [988944014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:42:28,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:42:28,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 23:42:28,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924369826] [2024-11-27 23:42:28,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:42:28,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 23:42:28,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:42:28,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 23:42:28,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:42:28,115 INFO L87 Difference]: Start difference. First operand 356 states and 400 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:42:29,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:42:29,209 INFO L93 Difference]: Finished difference Result 685 states and 774 transitions. [2024-11-27 23:42:29,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:42:29,210 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 204 [2024-11-27 23:42:29,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:42:29,212 INFO L225 Difference]: With dead ends: 685 [2024-11-27 23:42:29,212 INFO L226 Difference]: Without dead ends: 496 [2024-11-27 23:42:29,213 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:42:29,213 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 162 mSDsluCounter, 956 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:42:29,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 1163 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 23:42:29,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-11-27 23:42:29,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 333. [2024-11-27 23:42:29,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 290 states have (on average 1.103448275862069) internal successors, (320), 290 states have internal predecessors, (320), 27 states have call successors, (27), 15 states have call predecessors, (27), 15 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-27 23:42:29,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 374 transitions. [2024-11-27 23:42:29,285 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 374 transitions. Word has length 204 [2024-11-27 23:42:29,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:42:29,285 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 374 transitions. [2024-11-27 23:42:29,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:42:29,286 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 374 transitions. [2024-11-27 23:42:29,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-27 23:42:29,287 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:42:29,287 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:42:29,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Ended with exit code 0 [2024-11-27 23:42:29,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:42:29,489 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:42:29,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:42:29,490 INFO L85 PathProgramCache]: Analyzing trace with hash 370042475, now seen corresponding path program 1 times [2024-11-27 23:42:29,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:42:29,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1017478679] [2024-11-27 23:42:29,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:42:29,491 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:42:29,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:42:29,496 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 23:42:29,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2024-11-27 23:42:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:42:30,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 23:42:30,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:42:31,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2024-11-27 23:42:31,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-27 23:42:31,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-27 23:42:31,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-27 23:42:32,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2024-11-27 23:42:32,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-11-27 23:42:32,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-27 23:42:32,278 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 24 proven. 336 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-27 23:42:32,278 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:42:32,731 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-27 23:42:32,731 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:42:32,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1017478679] [2024-11-27 23:42:32,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1017478679] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 23:42:32,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:42:32,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2024-11-27 23:42:32,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559423963] [2024-11-27 23:42:32,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:42:32,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:42:32,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:42:32,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:42:32,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:42:32,733 INFO L87 Difference]: Start difference. First operand 333 states and 374 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:42:33,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:42:33,483 INFO L93 Difference]: Finished difference Result 706 states and 790 transitions. [2024-11-27 23:42:33,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:42:33,484 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 204 [2024-11-27 23:42:33,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:42:33,485 INFO L225 Difference]: With dead ends: 706 [2024-11-27 23:42:33,485 INFO L226 Difference]: Without dead ends: 0 [2024-11-27 23:42:33,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 395 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:42:33,486 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 187 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:42:33,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 231 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 23:42:33,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-27 23:42:33,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-27 23:42:33,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:42:33,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 23:42:33,488 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2024-11-27 23:42:33,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:42:33,488 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 23:42:33,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-27 23:42:33,489 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-27 23:42:33,489 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-27 23:42:33,491 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 23:42:33,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2024-11-27 23:42:33,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 23:42:33,695 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:42:33,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-27 23:43:22,805 WARN L286 SmtUtils]: Spent 24.21s on a formula simplification. DAG size of input: 1017 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-27 23:43:58,896 WARN L286 SmtUtils]: Spent 24.17s on a formula simplification. DAG size of input: 959 DAG size of output: 110 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-27 23:44:09,054 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:44:09,073 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,073 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base [2024-11-27 23:44:09,074 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base [2024-11-27 23:44:09,076 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#9 [2024-11-27 23:44:09,076 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#9,GLOBAL] [2024-11-27 23:44:09,077 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#9,GLOBAL],[IdentifierExpression[~#var_1_13~0!base,GLOBAL]]] [2024-11-27 23:44:09,077 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset [2024-11-27 23:44:09,077 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset [2024-11-27 23:44:09,077 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset [2024-11-27 23:44:09,077 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,077 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_5_Pointer~0!offset [2024-11-27 23:44:09,077 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_5~0!offset [2024-11-27 23:44:09,078 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_5~0!base [2024-11-27 23:44:09,078 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_5_Pointer~0!base [2024-11-27 23:44:09,078 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base [2024-11-27 23:44:09,078 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-11-27 23:44:09,078 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-11-27 23:44:09,078 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[BitvecLiteral[6,32]]] [2024-11-27 23:44:09,079 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,079 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,079 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,079 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,079 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,079 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-27 23:44:09,080 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-27 23:44:09,080 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base [2024-11-27 23:44:09,080 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base [2024-11-27 23:44:09,080 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset [2024-11-27 23:44:09,080 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset [2024-11-27 23:44:09,080 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,080 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,080 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,080 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,080 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-27 23:44:09,080 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,080 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,080 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-27 23:44:09,080 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-27 23:44:09,081 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,081 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,081 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,081 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base [2024-11-27 23:44:09,081 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base [2024-11-27 23:44:09,082 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset [2024-11-27 23:44:09,082 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset [2024-11-27 23:44:09,082 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,082 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#9 [2024-11-27 23:44:09,082 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#9,GLOBAL] [2024-11-27 23:44:09,082 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#9,GLOBAL],[IdentifierExpression[~var_1_13_Pointer~0!base,GLOBAL]]] [2024-11-27 23:44:09,082 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,083 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,083 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,083 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,083 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,083 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-27 23:44:09,083 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-27 23:44:09,083 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,083 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,084 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base [2024-11-27 23:44:09,084 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base [2024-11-27 23:44:09,084 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,084 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset [2024-11-27 23:44:09,084 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset [2024-11-27 23:44:09,084 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,084 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,084 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,085 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,085 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-27 23:44:09,085 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-27 23:44:09,085 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-27 23:44:09,085 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,085 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,085 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,085 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-27 23:44:09,086 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#12 [2024-11-27 23:44:09,086 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#12,GLOBAL] [2024-11-27 23:44:09,086 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#12,GLOBAL],[IdentifierExpression[~var_1_16_Pointer~0!base,GLOBAL]]] [2024-11-27 23:44:09,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:44:09 BoogieIcfgContainer [2024-11-27 23:44:09,086 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:44:09,087 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:44:09,087 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:44:09,087 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:44:09,089 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:39:29" (3/4) ... [2024-11-27 23:44:09,092 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 23:44:09,099 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-27 23:44:09,112 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-27 23:44:09,116 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-27 23:44:09,117 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 23:44:09,117 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 23:44:09,274 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 23:44:09,275 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 23:44:09,275 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:44:09,279 INFO L158 Benchmark]: Toolchain (without parser) took 287521.71ms. Allocated memory was 83.9MB in the beginning and 687.9MB in the end (delta: 604.0MB). Free memory was 60.9MB in the beginning and 354.7MB in the end (delta: -293.8MB). Peak memory consumption was 305.3MB. Max. memory is 16.1GB. [2024-11-27 23:44:09,280 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:44:09,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 569.13ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 46.0MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:44:09,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.43ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 43.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:44:09,281 INFO L158 Benchmark]: Boogie Preprocessor took 177.21ms. Allocated memory is still 83.9MB. Free memory was 43.1MB in the beginning and 37.4MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:44:09,281 INFO L158 Benchmark]: RCFGBuilder took 7114.98ms. Allocated memory is still 83.9MB. Free memory was 37.4MB in the beginning and 33.8MB in the end (delta: 3.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-27 23:44:09,282 INFO L158 Benchmark]: TraceAbstraction took 279359.93ms. Allocated memory was 83.9MB in the beginning and 687.9MB in the end (delta: 604.0MB). Free memory was 33.2MB in the beginning and 363.1MB in the end (delta: -329.8MB). Peak memory consumption was 401.5MB. Max. memory is 16.1GB. [2024-11-27 23:44:09,282 INFO L158 Benchmark]: Witness Printer took 188.12ms. Allocated memory is still 687.9MB. Free memory was 363.1MB in the beginning and 354.7MB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:44:09,285 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 569.13ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 46.0MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.43ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 43.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 177.21ms. Allocated memory is still 83.9MB. Free memory was 43.1MB in the beginning and 37.4MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 7114.98ms. Allocated memory is still 83.9MB. Free memory was 37.4MB in the beginning and 33.8MB in the end (delta: 3.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 279359.93ms. Allocated memory was 83.9MB in the beginning and 687.9MB in the end (delta: 604.0MB). Free memory was 33.2MB in the beginning and 363.1MB in the end (delta: -329.8MB). Peak memory consumption was 401.5MB. Max. memory is 16.1GB. * Witness Printer took 188.12ms. Allocated memory is still 687.9MB. Free memory was 363.1MB in the beginning and 354.7MB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#9 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#9,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#9,GLOBAL],[IdentifierExpression[~#var_1_13~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_5_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_5~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_5~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_5_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_7_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[BitvecLiteral[6,32]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#9 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#9,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#9,GLOBAL],[IdentifierExpression[~var_1_13_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#var_1_11~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~var_1_11_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#12 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#12,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#12,GLOBAL],[IdentifierExpression[~var_1_16_Pointer~0!base,GLOBAL]]] * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 183.9s, OverallIterations: 33, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 97.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 3700 SdHoareTripleChecker+Valid, 77.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3683 mSDsluCounter, 18987 SdHoareTripleChecker+Invalid, 74.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14841 mSDsCounter, 381 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4561 IncrementalHoareTripleChecker+Invalid, 4944 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 381 mSolverCounterUnsat, 4146 mSDtfsCounter, 4561 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6753 GetRequests, 6336 SyntacticMatches, 8 SemanticMatches, 409 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2638 ImplicationChecksByTransitivity, 35.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=687occurred in iteration=14, InterpolantAutomatonStates: 274, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 33 MinimizatonAttempts, 1335 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.6s SsaConstructionTime, 14.1s SatisfiabilityAnalysisTime, 52.1s InterpolantComputationTime, 4662 NumberOfCodeBlocks, 4662 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 6509 ConstructedInterpolants, 191 QuantifiedInterpolants, 40574 SizeOfPredicates, 283 NumberOfNonLiveVariables, 12720 ConjunctsInSsa, 407 ConjunctsInUnsatCore, 49 InterpolantComputations, 29 PerfectInterpolantSequences, 13263/16014 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 23:44:09,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aecdd9f8-31d9-4251-bc83-21ffc51c1816/bin/uautomizer-verify-aQ6SnzHsRB/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 Writing output log to file Ultimate.log Result: TRUE