./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.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_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 3739a27a9c8740637c1508dfeaeb16861a9cb046f0a58f7010c764edaa57cdf6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:50:26,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:50:26,703 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 19:50:26,708 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:50:26,709 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:50:26,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:50:26,738 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:50:26,739 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:50:26,739 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 19:50:26,739 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 19:50:26,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:50:26,740 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:50:26,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:50:26,741 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:50:26,741 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:50:26,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:50:26,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:50:26,742 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 19:50:26,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:50:26,742 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 19:50:26,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:50:26,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:50:26,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:50:26,742 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:50:26,742 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 19:50:26,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:50:26,742 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:50:26,742 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:50:26,743 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:50:26,743 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:50:26,743 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:50:26,744 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:50:26,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:26,744 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:50:26,744 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:50:26,744 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:50:26,744 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:50:26,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:26,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:50:26,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:50:26,745 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:50:26,745 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:50:26,745 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 19:50:26,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 19:50:26,745 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:50:26,745 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:50:26,745 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:50:26,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:50:26,745 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_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 -> 3739a27a9c8740637c1508dfeaeb16861a9cb046f0a58f7010c764edaa57cdf6 [2024-11-27 19:50:27,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:50:27,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:50:27,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:50:27,105 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:50:27,106 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:50:27,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i [2024-11-27 19:50:30,115 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/data/b23bb13a4/89909dd0b1b1483289edb8e3984a1ac0/FLAG750ff50cb [2024-11-27 19:50:30,399 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:50:30,400 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i [2024-11-27 19:50:30,409 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/data/b23bb13a4/89909dd0b1b1483289edb8e3984a1ac0/FLAG750ff50cb [2024-11-27 19:50:30,426 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/data/b23bb13a4/89909dd0b1b1483289edb8e3984a1ac0 [2024-11-27 19:50:30,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:50:30,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:50:30,431 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:50:30,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:50:30,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:50:30,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:30" (1/1) ... [2024-11-27 19:50:30,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5640d170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:30, skipping insertion in model container [2024-11-27 19:50:30,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:30" (1/1) ... [2024-11-27 19:50:30,459 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:50:30,591 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_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i[917,930] [2024-11-27 19:50:30,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:50:30,685 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:50:30,701 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_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i[917,930] [2024-11-27 19:50:30,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:50:30,801 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:50:30,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:30 WrapperNode [2024-11-27 19:50:30,804 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:50:30,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:50:30,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:50:30,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:50:30,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:30" (1/1) ... [2024-11-27 19:50:30,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:30" (1/1) ... [2024-11-27 19:50:30,884 INFO L138 Inliner]: procedures = 30, calls = 140, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 426 [2024-11-27 19:50:30,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:50:30,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:50:30,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:50:30,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:50:30,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:30" (1/1) ... [2024-11-27 19:50:30,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:30" (1/1) ... [2024-11-27 19:50:30,901 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:30" (1/1) ... [2024-11-27 19:50:30,919 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-27 19:50:30,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:30" (1/1) ... [2024-11-27 19:50:30,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:30" (1/1) ... [2024-11-27 19:50:30,945 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:30" (1/1) ... [2024-11-27 19:50:30,947 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:30" (1/1) ... [2024-11-27 19:50:30,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:30" (1/1) ... [2024-11-27 19:50:30,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:30" (1/1) ... [2024-11-27 19:50:30,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:30" (1/1) ... [2024-11-27 19:50:30,969 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:50:30,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:50:30,971 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:50:30,971 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:50:30,972 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:30" (1/1) ... [2024-11-27 19:50:30,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:50:30,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:31,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:50:31,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:50:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:50:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-27 19:50:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-27 19:50:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-27 19:50:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 19:50:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-27 19:50:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 19:50:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 19:50:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 19:50:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 19:50:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:50:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:50:31,208 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:50:31,211 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:50:31,987 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-27 19:50:31,987 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:50:32,004 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:50:32,007 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 19:50:32,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:32 BoogieIcfgContainer [2024-11-27 19:50:32,008 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:50:32,010 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:50:32,010 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:50:32,018 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:50:32,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:50:30" (1/3) ... [2024-11-27 19:50:32,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e2e1aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:50:32, skipping insertion in model container [2024-11-27 19:50:32,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:30" (2/3) ... [2024-11-27 19:50:32,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e2e1aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:50:32, skipping insertion in model container [2024-11-27 19:50:32,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:32" (3/3) ... [2024-11-27 19:50:32,023 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-57.i [2024-11-27 19:50:32,056 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:50:32,060 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-57.i that has 2 procedures, 97 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 19:50:32,128 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:50:32,144 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;@11ea2833, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:50:32,144 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 19:50:32,149 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 76 states have (on average 1.394736842105263) internal successors, (106), 77 states have internal predecessors, (106), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-27 19:50:32,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-27 19:50:32,164 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:50:32,165 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:32,166 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:50:32,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:32,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1864968781, now seen corresponding path program 1 times [2024-11-27 19:50:32,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:32,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342691105] [2024-11-27 19:50:32,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:32,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:32,686 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-27 19:50:32,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:32,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342691105] [2024-11-27 19:50:32,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342691105] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:50:32,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784838396] [2024-11-27 19:50:32,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:32,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:50:32,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:32,698 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:50:32,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 19:50:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:33,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 19:50:33,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:50:33,161 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-27 19:50:33,161 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:50:33,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784838396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:33,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 19:50:33,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 19:50:33,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079304366] [2024-11-27 19:50:33,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:33,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 19:50:33,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:33,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 19:50:33,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 19:50:33,198 INFO L87 Difference]: Start difference. First operand has 97 states, 76 states have (on average 1.394736842105263) internal successors, (106), 77 states have internal predecessors, (106), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-27 19:50:33,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:50:33,239 INFO L93 Difference]: Finished difference Result 187 states and 296 transitions. [2024-11-27 19:50:33,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 19:50:33,240 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 134 [2024-11-27 19:50:33,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:50:33,251 INFO L225 Difference]: With dead ends: 187 [2024-11-27 19:50:33,251 INFO L226 Difference]: Without dead ends: 93 [2024-11-27 19:50:33,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 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 19:50:33,257 INFO L435 NwaCegarLoop]: 135 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, 135 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 19:50:33,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:50:33,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-27 19:50:33,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-27 19:50:33,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 73 states have (on average 1.356164383561644) internal successors, (99), 73 states have internal predecessors, (99), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-27 19:50:33,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2024-11-27 19:50:33,302 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 134 [2024-11-27 19:50:33,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:50:33,302 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2024-11-27 19:50:33,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-27 19:50:33,303 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2024-11-27 19:50:33,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-27 19:50:33,308 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:50:33,309 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:33,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 19:50:33,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 19:50:33,512 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:50:33,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:33,514 INFO L85 PathProgramCache]: Analyzing trace with hash -367330217, now seen corresponding path program 1 times [2024-11-27 19:50:33,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:33,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952019191] [2024-11-27 19:50:33,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:33,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:35,231 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 19:50:35,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:35,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952019191] [2024-11-27 19:50:35,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952019191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:35,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:35,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:50:35,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301137064] [2024-11-27 19:50:35,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:35,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:50:35,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:35,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:50:35,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:50:35,237 INFO L87 Difference]: Start difference. First operand 93 states and 135 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:50:35,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:50:35,832 INFO L93 Difference]: Finished difference Result 274 states and 400 transitions. [2024-11-27 19:50:35,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:50:35,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 134 [2024-11-27 19:50:35,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:50:35,842 INFO L225 Difference]: With dead ends: 274 [2024-11-27 19:50:35,842 INFO L226 Difference]: Without dead ends: 184 [2024-11-27 19:50:35,843 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 19:50:35,844 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 93 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 19:50:35,845 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 302 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 19:50:35,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-27 19:50:35,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 153. [2024-11-27 19:50:35,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 114 states have internal predecessors, (149), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 19:50:35,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 221 transitions. [2024-11-27 19:50:35,914 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 221 transitions. Word has length 134 [2024-11-27 19:50:35,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:50:35,916 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 221 transitions. [2024-11-27 19:50:35,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:50:35,917 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 221 transitions. [2024-11-27 19:50:35,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-27 19:50:35,925 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:50:35,926 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:35,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 19:50:35,926 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:50:35,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:35,928 INFO L85 PathProgramCache]: Analyzing trace with hash 686354215, now seen corresponding path program 1 times [2024-11-27 19:50:35,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:35,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238312612] [2024-11-27 19:50:35,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:35,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:36,344 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 19:50:36,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:36,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238312612] [2024-11-27 19:50:36,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238312612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:36,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:36,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:50:36,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067444552] [2024-11-27 19:50:36,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:36,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:50:36,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:36,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:50:36,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:50:36,350 INFO L87 Difference]: Start difference. First operand 153 states and 221 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:50:36,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:50:36,414 INFO L93 Difference]: Finished difference Result 246 states and 357 transitions. [2024-11-27 19:50:36,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:50:36,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 141 [2024-11-27 19:50:36,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:50:36,420 INFO L225 Difference]: With dead ends: 246 [2024-11-27 19:50:36,420 INFO L226 Difference]: Without dead ends: 156 [2024-11-27 19:50:36,421 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 19:50:36,422 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 1 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:50:36,423 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 387 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:50:36,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-27 19:50:36,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 155. [2024-11-27 19:50:36,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 116 states have (on average 1.3017241379310345) internal successors, (151), 116 states have internal predecessors, (151), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 19:50:36,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 223 transitions. [2024-11-27 19:50:36,472 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 223 transitions. Word has length 141 [2024-11-27 19:50:36,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:50:36,477 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 223 transitions. [2024-11-27 19:50:36,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:50:36,478 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 223 transitions. [2024-11-27 19:50:36,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-27 19:50:36,484 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:50:36,484 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:36,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 19:50:36,484 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:50:36,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:36,485 INFO L85 PathProgramCache]: Analyzing trace with hash 688201257, now seen corresponding path program 1 times [2024-11-27 19:50:36,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:36,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944781573] [2024-11-27 19:50:36,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:36,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:38,790 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 19:50:38,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:38,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944781573] [2024-11-27 19:50:38,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944781573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:38,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:38,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 19:50:38,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261651982] [2024-11-27 19:50:38,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:38,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 19:50:38,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:38,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 19:50:38,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-27 19:50:38,795 INFO L87 Difference]: Start difference. First operand 155 states and 223 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:50:39,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:50:39,875 INFO L93 Difference]: Finished difference Result 311 states and 451 transitions. [2024-11-27 19:50:39,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 19:50:39,875 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 141 [2024-11-27 19:50:39,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:50:39,878 INFO L225 Difference]: With dead ends: 311 [2024-11-27 19:50:39,878 INFO L226 Difference]: Without dead ends: 219 [2024-11-27 19:50:39,879 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-27 19:50:39,879 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 275 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 19:50:39,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 432 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 19:50:39,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-27 19:50:39,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 190. [2024-11-27 19:50:39,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 151 states have (on average 1.3509933774834437) internal successors, (204), 151 states have internal predecessors, (204), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 19:50:39,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 276 transitions. [2024-11-27 19:50:39,937 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 276 transitions. Word has length 141 [2024-11-27 19:50:39,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:50:39,940 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 276 transitions. [2024-11-27 19:50:39,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:50:39,941 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 276 transitions. [2024-11-27 19:50:39,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-27 19:50:39,942 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:50:39,942 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:39,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 19:50:39,943 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:50:39,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:39,943 INFO L85 PathProgramCache]: Analyzing trace with hash 946366695, now seen corresponding path program 1 times [2024-11-27 19:50:39,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:39,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487571582] [2024-11-27 19:50:39,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:39,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:42,036 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 19:50:42,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:42,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487571582] [2024-11-27 19:50:42,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487571582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:42,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:42,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-27 19:50:42,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153428508] [2024-11-27 19:50:42,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:42,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 19:50:42,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:42,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 19:50:42,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-27 19:50:42,038 INFO L87 Difference]: Start difference. First operand 190 states and 276 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:50:43,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:50:43,068 INFO L93 Difference]: Finished difference Result 343 states and 499 transitions. [2024-11-27 19:50:43,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 19:50:43,069 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 141 [2024-11-27 19:50:43,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:50:43,071 INFO L225 Difference]: With dead ends: 343 [2024-11-27 19:50:43,071 INFO L226 Difference]: Without dead ends: 230 [2024-11-27 19:50:43,072 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-11-27 19:50:43,072 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 258 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 19:50:43,073 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 491 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 19:50:43,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-27 19:50:43,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 180. [2024-11-27 19:50:43,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 141 states have (on average 1.3475177304964538) internal successors, (190), 141 states have internal predecessors, (190), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 19:50:43,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 262 transitions. [2024-11-27 19:50:43,120 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 262 transitions. Word has length 141 [2024-11-27 19:50:43,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:50:43,121 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 262 transitions. [2024-11-27 19:50:43,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:50:43,121 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 262 transitions. [2024-11-27 19:50:43,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-27 19:50:43,122 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:50:43,123 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:43,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 19:50:43,123 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:50:43,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:43,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1170047832, now seen corresponding path program 1 times [2024-11-27 19:50:43,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:43,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405160157] [2024-11-27 19:50:43,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:43,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:43,796 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 19:50:43,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:43,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405160157] [2024-11-27 19:50:43,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405160157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:43,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:43,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:50:43,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30173764] [2024-11-27 19:50:43,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:43,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:50:43,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:43,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:50:43,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:50:43,798 INFO L87 Difference]: Start difference. First operand 180 states and 262 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:50:44,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:50:44,285 INFO L93 Difference]: Finished difference Result 336 states and 489 transitions. [2024-11-27 19:50:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:50:44,286 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 144 [2024-11-27 19:50:44,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:50:44,288 INFO L225 Difference]: With dead ends: 336 [2024-11-27 19:50:44,289 INFO L226 Difference]: Without dead ends: 223 [2024-11-27 19:50:44,289 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:50:44,290 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 38 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 19:50:44,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 370 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 19:50:44,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-27 19:50:44,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 197. [2024-11-27 19:50:44,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 158 states have (on average 1.360759493670886) internal successors, (215), 158 states have internal predecessors, (215), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 19:50:44,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 287 transitions. [2024-11-27 19:50:44,326 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 287 transitions. Word has length 144 [2024-11-27 19:50:44,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:50:44,327 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 287 transitions. [2024-11-27 19:50:44,327 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:50:44,328 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 287 transitions. [2024-11-27 19:50:44,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-27 19:50:44,330 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:50:44,330 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:44,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 19:50:44,330 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:50:44,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:44,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1871112410, now seen corresponding path program 1 times [2024-11-27 19:50:44,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:44,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707734911] [2024-11-27 19:50:44,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:44,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:45,338 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 19:50:45,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:45,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707734911] [2024-11-27 19:50:45,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707734911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:45,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:45,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 19:50:45,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693245214] [2024-11-27 19:50:45,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:45,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 19:50:45,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:45,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 19:50:45,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-27 19:50:45,340 INFO L87 Difference]: Start difference. First operand 197 states and 287 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:50:46,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:50:46,023 INFO L93 Difference]: Finished difference Result 395 states and 577 transitions. [2024-11-27 19:50:46,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:50:46,024 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 144 [2024-11-27 19:50:46,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:50:46,026 INFO L225 Difference]: With dead ends: 395 [2024-11-27 19:50:46,026 INFO L226 Difference]: Without dead ends: 268 [2024-11-27 19:50:46,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-27 19:50:46,027 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 238 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 19:50:46,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 275 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 19:50:46,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-27 19:50:46,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 241. [2024-11-27 19:50:46,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 202 states have (on average 1.391089108910891) internal successors, (281), 202 states have internal predecessors, (281), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 19:50:46,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 353 transitions. [2024-11-27 19:50:46,066 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 353 transitions. Word has length 144 [2024-11-27 19:50:46,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:50:46,067 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 353 transitions. [2024-11-27 19:50:46,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:50:46,067 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 353 transitions. [2024-11-27 19:50:46,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-27 19:50:46,069 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:50:46,069 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:46,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 19:50:46,069 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:50:46,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:46,070 INFO L85 PathProgramCache]: Analyzing trace with hash -824096874, now seen corresponding path program 1 times [2024-11-27 19:50:46,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:46,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520770491] [2024-11-27 19:50:46,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:46,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:49,001 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 19:50:49,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:49,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520770491] [2024-11-27 19:50:49,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520770491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:49,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:49,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 19:50:49,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501092033] [2024-11-27 19:50:49,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:49,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 19:50:49,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:49,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 19:50:49,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-27 19:50:49,004 INFO L87 Difference]: Start difference. First operand 241 states and 353 transitions. Second operand has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-27 19:50:50,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:50:50,335 INFO L93 Difference]: Finished difference Result 520 states and 766 transitions. [2024-11-27 19:50:50,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 19:50:50,335 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 144 [2024-11-27 19:50:50,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:50:50,339 INFO L225 Difference]: With dead ends: 520 [2024-11-27 19:50:50,342 INFO L226 Difference]: Without dead ends: 350 [2024-11-27 19:50:50,343 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-27 19:50:50,344 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 179 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:50:50,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 378 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 19:50:50,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-27 19:50:50,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 270. [2024-11-27 19:50:50,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 231 states have (on average 1.4025974025974026) internal successors, (324), 231 states have internal predecessors, (324), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 19:50:50,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 396 transitions. [2024-11-27 19:50:50,390 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 396 transitions. Word has length 144 [2024-11-27 19:50:50,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:50:50,391 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 396 transitions. [2024-11-27 19:50:50,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-27 19:50:50,395 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 396 transitions. [2024-11-27 19:50:50,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-27 19:50:50,396 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:50:50,396 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:50,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 19:50:50,397 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:50:50,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:50,398 INFO L85 PathProgramCache]: Analyzing trace with hash 2089967128, now seen corresponding path program 1 times [2024-11-27 19:50:50,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:50,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195560336] [2024-11-27 19:50:50,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:50,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:52,308 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 19:50:52,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:52,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195560336] [2024-11-27 19:50:52,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195560336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:52,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:52,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 19:50:52,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516138110] [2024-11-27 19:50:52,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:52,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 19:50:52,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:52,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 19:50:52,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 19:50:52,311 INFO L87 Difference]: Start difference. First operand 270 states and 396 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:50:53,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:50:53,327 INFO L93 Difference]: Finished difference Result 521 states and 760 transitions. [2024-11-27 19:50:53,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 19:50:53,328 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 144 [2024-11-27 19:50:53,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:50:53,333 INFO L225 Difference]: With dead ends: 521 [2024-11-27 19:50:53,333 INFO L226 Difference]: Without dead ends: 341 [2024-11-27 19:50:53,334 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-27 19:50:53,335 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 267 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 19:50:53,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 464 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 19:50:53,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-27 19:50:53,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 299. [2024-11-27 19:50:53,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 260 states have (on average 1.4076923076923078) internal successors, (366), 260 states have internal predecessors, (366), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 19:50:53,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 438 transitions. [2024-11-27 19:50:53,384 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 438 transitions. Word has length 144 [2024-11-27 19:50:53,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:50:53,385 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 438 transitions. [2024-11-27 19:50:53,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:50:53,385 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 438 transitions. [2024-11-27 19:50:53,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-27 19:50:53,387 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:50:53,387 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:53,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 19:50:53,388 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:50:53,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:53,388 INFO L85 PathProgramCache]: Analyzing trace with hash -2129346889, now seen corresponding path program 1 times [2024-11-27 19:50:53,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:53,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520327228] [2024-11-27 19:50:53,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:53,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:53,874 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 19:50:53,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:53,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520327228] [2024-11-27 19:50:53,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520327228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:53,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:53,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:50:53,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814103958] [2024-11-27 19:50:53,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:53,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:50:53,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:53,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:50:53,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:50:53,879 INFO L87 Difference]: Start difference. First operand 299 states and 438 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:50:54,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:50:54,255 INFO L93 Difference]: Finished difference Result 560 states and 817 transitions. [2024-11-27 19:50:54,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:50:54,256 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2024-11-27 19:50:54,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:50:54,259 INFO L225 Difference]: With dead ends: 560 [2024-11-27 19:50:54,259 INFO L226 Difference]: Without dead ends: 354 [2024-11-27 19:50:54,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-27 19:50:54,260 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 96 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 19:50:54,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 365 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 19:50:54,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-27 19:50:54,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 308. [2024-11-27 19:50:54,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 269 states have (on average 1.4014869888475836) internal successors, (377), 269 states have internal predecessors, (377), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 19:50:54,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 449 transitions. [2024-11-27 19:50:54,311 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 449 transitions. Word has length 145 [2024-11-27 19:50:54,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:50:54,314 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 449 transitions. [2024-11-27 19:50:54,315 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:50:54,315 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 449 transitions. [2024-11-27 19:50:54,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-27 19:50:54,316 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:50:54,317 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:54,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 19:50:54,317 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:50:54,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:54,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1731041970, now seen corresponding path program 1 times [2024-11-27 19:50:54,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:54,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398018107] [2024-11-27 19:50:54,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:54,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:57,414 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 19:50:57,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:57,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398018107] [2024-11-27 19:50:57,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398018107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:57,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:57,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-27 19:50:57,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900247866] [2024-11-27 19:50:57,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:57,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 19:50:57,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:57,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 19:50:57,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-27 19:50:57,416 INFO L87 Difference]: Start difference. First operand 308 states and 449 transitions. Second operand has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-27 19:50:58,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:50:58,756 INFO L93 Difference]: Finished difference Result 631 states and 921 transitions. [2024-11-27 19:50:58,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 19:50:58,757 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 147 [2024-11-27 19:50:58,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:50:58,760 INFO L225 Difference]: With dead ends: 631 [2024-11-27 19:50:58,760 INFO L226 Difference]: Without dead ends: 416 [2024-11-27 19:50:58,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-11-27 19:50:58,761 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 357 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:50:58,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 309 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-27 19:50:58,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-27 19:50:58,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 329. [2024-11-27 19:50:58,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 290 states have (on average 1.410344827586207) internal successors, (409), 290 states have internal predecessors, (409), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 19:50:58,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 481 transitions. [2024-11-27 19:50:58,806 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 481 transitions. Word has length 147 [2024-11-27 19:50:58,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:50:58,806 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 481 transitions. [2024-11-27 19:50:58,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-27 19:50:58,807 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 481 transitions. [2024-11-27 19:50:58,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-27 19:50:58,811 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:50:58,812 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:58,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 19:50:58,812 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:50:58,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:58,813 INFO L85 PathProgramCache]: Analyzing trace with hash 2109166017, now seen corresponding path program 1 times [2024-11-27 19:50:58,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:58,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929449125] [2024-11-27 19:50:58,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:58,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:58,914 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 19:50:58,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:58,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929449125] [2024-11-27 19:50:58,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929449125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:58,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:50:58,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:50:58,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104236137] [2024-11-27 19:50:58,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:58,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:50:58,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:58,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:50:58,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:58,916 INFO L87 Difference]: Start difference. First operand 329 states and 481 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:50:58,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:50:58,963 INFO L93 Difference]: Finished difference Result 553 states and 810 transitions. [2024-11-27 19:50:58,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:50:58,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2024-11-27 19:50:58,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:50:58,966 INFO L225 Difference]: With dead ends: 553 [2024-11-27 19:50:58,966 INFO L226 Difference]: Without dead ends: 330 [2024-11-27 19:50:58,966 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:50:58,967 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:50:58,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 261 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:50:58,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-27 19:50:59,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2024-11-27 19:50:59,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 291 states have (on average 1.4089347079037802) internal successors, (410), 291 states have internal predecessors, (410), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 19:50:59,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 482 transitions. [2024-11-27 19:50:59,009 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 482 transitions. Word has length 147 [2024-11-27 19:50:59,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:50:59,011 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 482 transitions. [2024-11-27 19:50:59,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:50:59,012 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 482 transitions. [2024-11-27 19:50:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-27 19:50:59,015 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:50:59,015 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:50:59,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 19:50:59,015 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:50:59,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:50:59,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1927635841, now seen corresponding path program 1 times [2024-11-27 19:50:59,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:50:59,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708424221] [2024-11-27 19:50:59,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:59,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:50:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:59,378 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-27 19:50:59,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:50:59,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708424221] [2024-11-27 19:50:59,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708424221] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:50:59,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131903117] [2024-11-27 19:50:59,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:50:59,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:50:59,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:50:59,382 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:50:59,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 19:50:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:50:59,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 19:50:59,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:50:59,843 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 19:50:59,845 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:50:59,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131903117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:50:59,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 19:50:59,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2024-11-27 19:50:59,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132193284] [2024-11-27 19:50:59,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:50:59,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 19:50:59,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:50:59,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 19:50:59,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-27 19:50:59,849 INFO L87 Difference]: Start difference. First operand 330 states and 482 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:50:59,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:50:59,961 INFO L93 Difference]: Finished difference Result 558 states and 815 transitions. [2024-11-27 19:50:59,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:50:59,963 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2024-11-27 19:50:59,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:50:59,969 INFO L225 Difference]: With dead ends: 558 [2024-11-27 19:50:59,969 INFO L226 Difference]: Without dead ends: 334 [2024-11-27 19:50:59,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-27 19:50:59,971 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:50:59,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 644 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:50:59,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-27 19:51:00,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 331. [2024-11-27 19:51:00,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 292 states have (on average 1.4075342465753424) internal successors, (411), 292 states have internal predecessors, (411), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 19:51:00,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 483 transitions. [2024-11-27 19:51:00,039 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 483 transitions. Word has length 147 [2024-11-27 19:51:00,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:51:00,040 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 483 transitions. [2024-11-27 19:51:00,040 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:51:00,040 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 483 transitions. [2024-11-27 19:51:00,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-27 19:51:00,043 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:51:00,043 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:51:00,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 19:51:00,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:51:00,244 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:51:00,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:00,244 INFO L85 PathProgramCache]: Analyzing trace with hash -240080967, now seen corresponding path program 1 times [2024-11-27 19:51:00,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:51:00,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496648269] [2024-11-27 19:51:00,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:00,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:51:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:51:00,516 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 19:51:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:51:00,810 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 19:51:00,811 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 19:51:00,813 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 19:51:00,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 19:51:00,819 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:51:01,055 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 19:51:01,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 07:51:01 BoogieIcfgContainer [2024-11-27 19:51:01,060 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 19:51:01,063 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 19:51:01,063 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 19:51:01,064 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 19:51:01,065 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:50:32" (3/4) ... [2024-11-27 19:51:01,067 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 19:51:01,070 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 19:51:01,072 INFO L158 Benchmark]: Toolchain (without parser) took 30641.51ms. Allocated memory was 117.4MB in the beginning and 620.8MB in the end (delta: 503.3MB). Free memory was 92.0MB in the beginning and 298.2MB in the end (delta: -206.2MB). Peak memory consumption was 297.7MB. Max. memory is 16.1GB. [2024-11-27 19:51:01,072 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:51:01,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.08ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 76.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 19:51:01,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.35ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 73.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:51:01,074 INFO L158 Benchmark]: Boogie Preprocessor took 83.95ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 71.0MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:51:01,074 INFO L158 Benchmark]: RCFGBuilder took 1037.43ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 39.9MB in the end (delta: 31.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 19:51:01,075 INFO L158 Benchmark]: TraceAbstraction took 29052.55ms. Allocated memory was 117.4MB in the beginning and 620.8MB in the end (delta: 503.3MB). Free memory was 39.5MB in the beginning and 298.2MB in the end (delta: -258.7MB). Peak memory consumption was 247.3MB. Max. memory is 16.1GB. [2024-11-27 19:51:01,076 INFO L158 Benchmark]: Witness Printer took 6.93ms. Allocated memory is still 620.8MB. Free memory was 298.2MB in the beginning and 298.2MB in the end (delta: 68.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:51:01,078 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.08ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 76.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.35ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 73.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 83.95ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 71.0MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1037.43ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 39.9MB in the end (delta: 31.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 29052.55ms. Allocated memory was 117.4MB in the beginning and 620.8MB in the end (delta: 503.3MB). Free memory was 39.5MB in the beginning and 298.2MB in the end (delta: -258.7MB). Peak memory consumption was 247.3MB. Max. memory is 16.1GB. * Witness Printer took 6.93ms. Allocated memory is still 620.8MB. Free memory was 298.2MB in the beginning and 298.2MB in the end (delta: 68.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 132. Possible FailurePath: [L37] unsigned char isInitial = 0; [L38-L52] struct WrapperStruct00 WrapperStruct00 = { 1, 0, 0, 1, 64, 4, -4, 32, 32, -64, 50, 16, 63.5 }; [L53] signed long int* WrapperStruct00_var_1_1_Pointer = &(WrapperStruct00.var_1_1); [L54] unsigned char* WrapperStruct00_var_1_4_Pointer = &(WrapperStruct00.var_1_4); [L55] unsigned char* WrapperStruct00_var_1_5_Pointer = &(WrapperStruct00.var_1_5); [L56] unsigned char* WrapperStruct00_var_1_6_Pointer = &(WrapperStruct00.var_1_6); [L57] signed char* WrapperStruct00_var_1_9_Pointer = &(WrapperStruct00.var_1_9); [L58] signed char* WrapperStruct00_var_1_10_Pointer = &(WrapperStruct00.var_1_10); [L59] signed char* WrapperStruct00_var_1_11_Pointer = &(WrapperStruct00.var_1_11); [L60] signed char* WrapperStruct00_var_1_12_Pointer = &(WrapperStruct00.var_1_12); [L61] signed char* WrapperStruct00_var_1_13_Pointer = &(WrapperStruct00.var_1_13); [L62] signed char* WrapperStruct00_var_1_14_Pointer = &(WrapperStruct00.var_1_14); [L63] signed char* WrapperStruct00_var_1_15_Pointer = &(WrapperStruct00.var_1_15); [L64] signed char* WrapperStruct00_var_1_16_Pointer = &(WrapperStruct00.var_1_16); [L65] float* WrapperStruct00_var_1_17_Pointer = &(WrapperStruct00.var_1_17); [L66] signed char last_1_WrapperStruct00_var_1_9 = 64; [L67] signed char last_1_WrapperStruct00_var_1_14 = -64; VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=0, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L136] isInitial = 1 [L137] FCALL initially() [L139] CALL updateLastVariables() [L128] EXPR WrapperStruct00.var_1_9 [L128] last_1_WrapperStruct00_var_1_9 = WrapperStruct00.var_1_9 [L129] EXPR WrapperStruct00.var_1_14 [L129] last_1_WrapperStruct00_var_1_14 = WrapperStruct00.var_1_14 [L139] RET updateLastVariables() [L140] CALL updateVariables() [L99] WrapperStruct00.var_1_4 = __VERIFIER_nondet_uchar() [L100] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L101] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L102] WrapperStruct00.var_1_5 = __VERIFIER_nondet_uchar() [L103] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L104] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L104] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L105] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L106] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L106] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L107] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L107] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L108] WrapperStruct00.var_1_10 = __VERIFIER_nondet_char() [L109] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= -127) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= -127) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L110] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 126) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L110] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 126) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L111] WrapperStruct00.var_1_11 = __VERIFIER_nondet_char() [L112] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= -127) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L112] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= -127) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L113] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 126) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L113] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 126) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L114] WrapperStruct00.var_1_12 = __VERIFIER_nondet_char() [L115] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= -1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L115] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= -1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L116] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 126) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L116] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 126) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L117] WrapperStruct00.var_1_13 = __VERIFIER_nondet_char() [L118] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L118] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L118] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L119] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 126) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L119] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 126) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L120] WrapperStruct00.var_1_15 = __VERIFIER_nondet_char() [L121] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L121] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L121] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L122] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L122] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 64) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L122] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 64) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L123] WrapperStruct00.var_1_16 = __VERIFIER_nondet_char() [L124] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L124] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L124] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L125] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L125] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 63) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L125] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 63) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L140] RET updateVariables() [L141] CALL step() [L71] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L71] unsigned char stepLocal_0 = (*(WrapperStruct00_var_1_6_Pointer)); [L72] COND TRUE ! (last_1_WrapperStruct00_var_1_14 >= last_1_WrapperStruct00_var_1_9) [L73] EXPR \read(*WrapperStruct00_var_1_4_Pointer) [L73] EXPR (*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64, stepLocal_0=-255] [L73] COND TRUE ((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && stepLocal_0 [L74] (*(WrapperStruct00_var_1_1_Pointer)) = ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L81] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L81] EXPR \read(*WrapperStruct00_var_1_16_Pointer) [L81] EXPR \read(*WrapperStruct00_var_1_13_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L81] EXPR ((64) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? (64) : ((*(WrapperStruct00_var_1_13_Pointer))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L81] signed long int stepLocal_3 = ((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_16_Pointer))) - ((((64) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? (64) : ((*(WrapperStruct00_var_1_13_Pointer))))); [L82] EXPR \read(*WrapperStruct00_var_1_12_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64, stepLocal_3=0] [L82] COND TRUE (*(WrapperStruct00_var_1_12_Pointer)) < stepLocal_3 [L83] EXPR \read(*WrapperStruct00_var_1_16_Pointer) [L83] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L83] (*(WrapperStruct00_var_1_14_Pointer)) = ((64 - (*(WrapperStruct00_var_1_16_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))) [L87] (*(WrapperStruct00_var_1_17_Pointer)) = 128.91f [L88] EXPR \read(*WrapperStruct00_var_1_14_Pointer) [L88] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L88] unsigned char stepLocal_2 = (*(WrapperStruct00_var_1_14_Pointer)) == (*(WrapperStruct00_var_1_1_Pointer)); [L89] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L89] unsigned char stepLocal_1 = (*(WrapperStruct00_var_1_5_Pointer)); [L90] stepLocal_1 && (*(WrapperStruct00_var_1_4_Pointer)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64, stepLocal_2=0] [L90] COND FALSE !(stepLocal_1 && (*(WrapperStruct00_var_1_4_Pointer))) [L95] EXPR \read(*WrapperStruct00_var_1_12_Pointer) [L95] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L95] (*(WrapperStruct00_var_1_9_Pointer)) = ((*(WrapperStruct00_var_1_12_Pointer)) - (*(WrapperStruct00_var_1_13_Pointer))) [L141] RET step() [L142] CALL, EXPR property() [L132] EXPR (! (last_1_WrapperStruct00_var_1_14 >= last_1_WrapperStruct00_var_1_9)) ? ((((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14)) [L132] EXPR \read(*WrapperStruct00_var_1_4_Pointer) [L132] EXPR (*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132] EXPR ((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer)) [L132] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L132] EXPR ((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132] EXPR (((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14)) [L132] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L132] EXPR (((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132] EXPR (! (last_1_WrapperStruct00_var_1_14 >= last_1_WrapperStruct00_var_1_9)) ? ((((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132] EXPR ((! (last_1_WrapperStruct00_var_1_14 >= last_1_WrapperStruct00_var_1_9)) ? ((((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) && (((*(WrapperStruct00_var_1_5_Pointer)) && (*(WrapperStruct00_var_1_4_Pointer))) ? (((*(WrapperStruct00_var_1_6_Pointer)) || ((*(WrapperStruct00_var_1_14_Pointer)) == (*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) ((*(WrapperStruct00_var_1_12_Pointer)) - (*(WrapperStruct00_var_1_13_Pointer)))))) [L132] EXPR \read(*WrapperStruct00_var_1_5_Pointer) [L132] EXPR (*(WrapperStruct00_var_1_5_Pointer)) && (*(WrapperStruct00_var_1_4_Pointer)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132] EXPR ((*(WrapperStruct00_var_1_5_Pointer)) && (*(WrapperStruct00_var_1_4_Pointer))) ? (((*(WrapperStruct00_var_1_6_Pointer)) || ((*(WrapperStruct00_var_1_14_Pointer)) == (*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) ((*(WrapperStruct00_var_1_12_Pointer)) - (*(WrapperStruct00_var_1_13_Pointer))))) [L132] EXPR \read(*WrapperStruct00_var_1_9_Pointer) [L132] EXPR \read(*WrapperStruct00_var_1_12_Pointer) [L132] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L132] EXPR ((*(WrapperStruct00_var_1_5_Pointer)) && (*(WrapperStruct00_var_1_4_Pointer))) ? (((*(WrapperStruct00_var_1_6_Pointer)) || ((*(WrapperStruct00_var_1_14_Pointer)) == (*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) ((*(WrapperStruct00_var_1_12_Pointer)) - (*(WrapperStruct00_var_1_13_Pointer))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132] EXPR ((! (last_1_WrapperStruct00_var_1_14 >= last_1_WrapperStruct00_var_1_9)) ? ((((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) && (((*(WrapperStruct00_var_1_5_Pointer)) && (*(WrapperStruct00_var_1_4_Pointer))) ? (((*(WrapperStruct00_var_1_6_Pointer)) || ((*(WrapperStruct00_var_1_14_Pointer)) == (*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) ((*(WrapperStruct00_var_1_12_Pointer)) - (*(WrapperStruct00_var_1_13_Pointer)))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132] EXPR (((! (last_1_WrapperStruct00_var_1_14 >= last_1_WrapperStruct00_var_1_9)) ? ((((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) && (((*(WrapperStruct00_var_1_5_Pointer)) && (*(WrapperStruct00_var_1_4_Pointer))) ? (((*(WrapperStruct00_var_1_6_Pointer)) || ((*(WrapperStruct00_var_1_14_Pointer)) == (*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) ((*(WrapperStruct00_var_1_12_Pointer)) - (*(WrapperStruct00_var_1_13_Pointer))))))) && (((*(WrapperStruct00_var_1_12_Pointer)) < (((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_16_Pointer))) - ((((64) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? (64) : ((*(WrapperStruct00_var_1_13_Pointer))))))) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) ((64 - (*(WrapperStruct00_var_1_16_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) : ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer)))))))) [L132] EXPR \read(*WrapperStruct00_var_1_12_Pointer) [L132] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L132] EXPR \read(*WrapperStruct00_var_1_16_Pointer) [L132] EXPR \read(*WrapperStruct00_var_1_13_Pointer) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132] EXPR ((64) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? (64) : ((*(WrapperStruct00_var_1_13_Pointer))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132] EXPR ((*(WrapperStruct00_var_1_12_Pointer)) < (((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_16_Pointer))) - ((((64) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? (64) : ((*(WrapperStruct00_var_1_13_Pointer))))))) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) ((64 - (*(WrapperStruct00_var_1_16_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) : ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))) [L132] EXPR \read(*WrapperStruct00_var_1_14_Pointer) [L132] EXPR \read(*WrapperStruct00_var_1_16_Pointer) [L132] EXPR \read(*WrapperStruct00_var_1_13_Pointer) [L132] EXPR ((*(WrapperStruct00_var_1_12_Pointer)) < (((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_16_Pointer))) - ((((64) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? (64) : ((*(WrapperStruct00_var_1_13_Pointer))))))) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) ((64 - (*(WrapperStruct00_var_1_16_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) : ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132] EXPR (((! (last_1_WrapperStruct00_var_1_14 >= last_1_WrapperStruct00_var_1_9)) ? ((((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) && (((*(WrapperStruct00_var_1_5_Pointer)) && (*(WrapperStruct00_var_1_4_Pointer))) ? (((*(WrapperStruct00_var_1_6_Pointer)) || ((*(WrapperStruct00_var_1_14_Pointer)) == (*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) ((*(WrapperStruct00_var_1_12_Pointer)) - (*(WrapperStruct00_var_1_13_Pointer))))))) && (((*(WrapperStruct00_var_1_12_Pointer)) < (((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_16_Pointer))) - ((((64) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? (64) : ((*(WrapperStruct00_var_1_13_Pointer))))))) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) ((64 - (*(WrapperStruct00_var_1_16_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) : ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer)))))))) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132] EXPR ((((! (last_1_WrapperStruct00_var_1_14 >= last_1_WrapperStruct00_var_1_9)) ? ((((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) && (((*(WrapperStruct00_var_1_5_Pointer)) && (*(WrapperStruct00_var_1_4_Pointer))) ? (((*(WrapperStruct00_var_1_6_Pointer)) || ((*(WrapperStruct00_var_1_14_Pointer)) == (*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) ((*(WrapperStruct00_var_1_12_Pointer)) - (*(WrapperStruct00_var_1_13_Pointer))))))) && (((*(WrapperStruct00_var_1_12_Pointer)) < (((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_16_Pointer))) - ((((64) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? (64) : ((*(WrapperStruct00_var_1_13_Pointer))))))) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) ((64 - (*(WrapperStruct00_var_1_16_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) : ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))))) && ((*(WrapperStruct00_var_1_17_Pointer)) == ((float) 128.91f)) [L132] EXPR \read(*WrapperStruct00_var_1_17_Pointer) [L132] EXPR ((((! (last_1_WrapperStruct00_var_1_14 >= last_1_WrapperStruct00_var_1_9)) ? ((((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) && (((*(WrapperStruct00_var_1_5_Pointer)) && (*(WrapperStruct00_var_1_4_Pointer))) ? (((*(WrapperStruct00_var_1_6_Pointer)) || ((*(WrapperStruct00_var_1_14_Pointer)) == (*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) ((*(WrapperStruct00_var_1_12_Pointer)) - (*(WrapperStruct00_var_1_13_Pointer))))))) && (((*(WrapperStruct00_var_1_12_Pointer)) < (((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_16_Pointer))) - ((((64) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? (64) : ((*(WrapperStruct00_var_1_13_Pointer))))))) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) ((64 - (*(WrapperStruct00_var_1_16_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) : ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))))) && ((*(WrapperStruct00_var_1_17_Pointer)) == ((float) 128.91f)) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L132-L133] return ((((! (last_1_WrapperStruct00_var_1_14 >= last_1_WrapperStruct00_var_1_9)) ? ((((*(WrapperStruct00_var_1_4_Pointer)) || (*(WrapperStruct00_var_1_5_Pointer))) && (*(WrapperStruct00_var_1_6_Pointer))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) ((((last_1_WrapperStruct00_var_1_9) < (last_1_WrapperStruct00_var_1_14)) ? (last_1_WrapperStruct00_var_1_9) : (last_1_WrapperStruct00_var_1_14))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((signed long int) last_1_WrapperStruct00_var_1_14))) && (((*(WrapperStruct00_var_1_5_Pointer)) && (*(WrapperStruct00_var_1_4_Pointer))) ? (((*(WrapperStruct00_var_1_6_Pointer)) || ((*(WrapperStruct00_var_1_14_Pointer)) == (*(WrapperStruct00_var_1_1_Pointer)))) ? ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))) : 1) : ((*(WrapperStruct00_var_1_9_Pointer)) == ((signed char) ((*(WrapperStruct00_var_1_12_Pointer)) - (*(WrapperStruct00_var_1_13_Pointer))))))) && (((*(WrapperStruct00_var_1_12_Pointer)) < (((*(WrapperStruct00_var_1_15_Pointer)) + (*(WrapperStruct00_var_1_16_Pointer))) - ((((64) > ((*(WrapperStruct00_var_1_13_Pointer)))) ? (64) : ((*(WrapperStruct00_var_1_13_Pointer))))))) ? ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) ((64 - (*(WrapperStruct00_var_1_16_Pointer))) - (*(WrapperStruct00_var_1_13_Pointer))))) : ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed char) (((((*(WrapperStruct00_var_1_10_Pointer))) < ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))))))) && ((*(WrapperStruct00_var_1_17_Pointer)) == ((float) 128.91f)) ; [L142] RET, EXPR property() [L142] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] [L19] reach_error() VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:8}, WrapperStruct00_var_1_11_Pointer={4:9}, WrapperStruct00_var_1_12_Pointer={4:10}, WrapperStruct00_var_1_13_Pointer={4:11}, WrapperStruct00_var_1_14_Pointer={4:12}, WrapperStruct00_var_1_15_Pointer={4:13}, WrapperStruct00_var_1_16_Pointer={4:14}, WrapperStruct00_var_1_17_Pointer={4:15}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_4_Pointer={4:4}, WrapperStruct00_var_1_5_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:6}, WrapperStruct00_var_1_9_Pointer={4:7}, isInitial=1, last_1_WrapperStruct00_var_1_14=-64, last_1_WrapperStruct00_var_1_9=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 97 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 28.7s, OverallIterations: 14, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1804 SdHoareTripleChecker+Valid, 6.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1802 mSDsluCounter, 4813 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3336 mSDsCounter, 207 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3042 IncrementalHoareTripleChecker+Invalid, 3249 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 207 mSolverCounterUnsat, 1477 mSDtfsCounter, 3042 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 420 GetRequests, 330 SyntacticMatches, 6 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=331occurred in iteration=13, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 422 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 15.6s InterpolantComputationTime, 2281 NumberOfCodeBlocks, 2281 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2119 ConstructedInterpolants, 0 QuantifiedInterpolants, 11634 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1122 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 9095/9180 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 19:51:01,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 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_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 3739a27a9c8740637c1508dfeaeb16861a9cb046f0a58f7010c764edaa57cdf6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:51:04,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:51:04,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 19:51:04,298 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:51:04,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:51:04,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:51:04,338 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:51:04,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:51:04,340 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 19:51:04,341 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 19:51:04,342 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:51:04,342 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:51:04,342 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:51:04,342 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:51:04,343 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:51:04,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:51:04,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:51:04,344 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 19:51:04,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 19:51:04,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:51:04,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:51:04,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:51:04,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:51:04,344 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 19:51:04,345 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 19:51:04,345 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 19:51:04,345 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 19:51:04,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:51:04,345 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:51:04,345 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:51:04,345 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:51:04,345 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:51:04,345 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:51:04,345 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:51:04,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:51:04,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:51:04,345 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:51:04,346 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:51:04,346 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:51:04,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:51:04,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:51:04,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:51:04,346 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:51:04,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:51:04,346 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 19:51:04,346 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 19:51:04,346 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:51:04,346 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:51:04,346 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:51:04,346 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:51:04,347 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_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 -> 3739a27a9c8740637c1508dfeaeb16861a9cb046f0a58f7010c764edaa57cdf6 [2024-11-27 19:51:04,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:51:04,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:51:04,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:51:04,757 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:51:04,757 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:51:04,759 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i [2024-11-27 19:51:07,854 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/data/d345354e0/e173225b3b7f465ca115a33023ba5adc/FLAG3151cf880 [2024-11-27 19:51:08,209 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:51:08,211 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i [2024-11-27 19:51:08,226 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/data/d345354e0/e173225b3b7f465ca115a33023ba5adc/FLAG3151cf880 [2024-11-27 19:51:08,255 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/data/d345354e0/e173225b3b7f465ca115a33023ba5adc [2024-11-27 19:51:08,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:51:08,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:51:08,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:51:08,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:51:08,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:51:08,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:51:08" (1/1) ... [2024-11-27 19:51:08,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a4ee96f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:08, skipping insertion in model container [2024-11-27 19:51:08,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:51:08" (1/1) ... [2024-11-27 19:51:08,306 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:51:08,511 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_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i[917,930] [2024-11-27 19:51:08,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:51:08,668 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:51:08,682 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_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-57.i[917,930] [2024-11-27 19:51:08,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:51:08,793 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:51:08,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:08 WrapperNode [2024-11-27 19:51:08,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:51:08,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:51:08,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:51:08,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:51:08,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:08" (1/1) ... [2024-11-27 19:51:08,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:08" (1/1) ... [2024-11-27 19:51:08,889 INFO L138 Inliner]: procedures = 34, calls = 140, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 419 [2024-11-27 19:51:08,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:51:08,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:51:08,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:51:08,898 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:51:08,912 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:08" (1/1) ... [2024-11-27 19:51:08,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:08" (1/1) ... [2024-11-27 19:51:08,926 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:08" (1/1) ... [2024-11-27 19:51:08,968 INFO L175 MemorySlicer]: Split 111 memory accesses to 2 slices as follows [2, 109]. 98 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 31 writes are split as follows [0, 31]. [2024-11-27 19:51:08,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:08" (1/1) ... [2024-11-27 19:51:08,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:08" (1/1) ... [2024-11-27 19:51:09,007 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:08" (1/1) ... [2024-11-27 19:51:09,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:08" (1/1) ... [2024-11-27 19:51:09,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:08" (1/1) ... [2024-11-27 19:51:09,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:08" (1/1) ... [2024-11-27 19:51:09,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:08" (1/1) ... [2024-11-27 19:51:09,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:51:09,044 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:51:09,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:51:09,045 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:51:09,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:08" (1/1) ... [2024-11-27 19:51:09,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:51:09,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:51:09,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:51:09,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:51:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:51:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-27 19:51:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-27 19:51:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 19:51:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-27 19:51:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-27 19:51:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-27 19:51:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-27 19:51:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-27 19:51:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-27 19:51:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-27 19:51:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-27 19:51:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-27 19:51:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-27 19:51:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-27 19:51:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 19:51:09,148 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 19:51:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-27 19:51:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-27 19:51:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:51:09,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:51:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-27 19:51:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-27 19:51:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-27 19:51:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-27 19:51:09,368 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:51:09,371 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:51:10,355 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-27 19:51:10,355 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:51:10,367 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:51:10,368 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 19:51:10,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:51:10 BoogieIcfgContainer [2024-11-27 19:51:10,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:51:10,370 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:51:10,371 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:51:10,376 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:51:10,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:51:08" (1/3) ... [2024-11-27 19:51:10,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210b51b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:51:10, skipping insertion in model container [2024-11-27 19:51:10,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:51:08" (2/3) ... [2024-11-27 19:51:10,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210b51b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:51:10, skipping insertion in model container [2024-11-27 19:51:10,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:51:10" (3/3) ... [2024-11-27 19:51:10,378 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-57.i [2024-11-27 19:51:10,394 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:51:10,396 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-57.i that has 2 procedures, 97 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 19:51:10,462 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:51:10,476 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;@6fceeca0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:51:10,476 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 19:51:10,481 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 76 states have (on average 1.394736842105263) internal successors, (106), 77 states have internal predecessors, (106), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-27 19:51:10,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-27 19:51:10,500 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:51:10,501 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:51:10,502 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:51:10,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:10,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1840313941, now seen corresponding path program 1 times [2024-11-27 19:51:10,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:51:10,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [787309857] [2024-11-27 19:51:10,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:10,529 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 19:51:10,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 19:51:10,534 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:51:10,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:51:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:11,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 19:51:11,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:51:11,064 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-27 19:51:11,064 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:51:11,065 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:51:11,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [787309857] [2024-11-27 19:51:11,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [787309857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:11,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:11,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:51:11,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360585334] [2024-11-27 19:51:11,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:11,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 19:51:11,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:51:11,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 19:51:11,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 19:51:11,097 INFO L87 Difference]: Start difference. First operand has 97 states, 76 states have (on average 1.394736842105263) internal successors, (106), 77 states have internal predecessors, (106), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-27 19:51:11,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:51:11,127 INFO L93 Difference]: Finished difference Result 187 states and 296 transitions. [2024-11-27 19:51:11,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 19:51:11,129 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 134 [2024-11-27 19:51:11,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:51:11,137 INFO L225 Difference]: With dead ends: 187 [2024-11-27 19:51:11,138 INFO L226 Difference]: Without dead ends: 93 [2024-11-27 19:51:11,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 19:51:11,146 INFO L435 NwaCegarLoop]: 135 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, 135 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 19:51:11,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:51:11,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-27 19:51:11,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-27 19:51:11,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 73 states have (on average 1.356164383561644) internal successors, (99), 73 states have internal predecessors, (99), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-27 19:51:11,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2024-11-27 19:51:11,194 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 134 [2024-11-27 19:51:11,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:51:11,194 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2024-11-27 19:51:11,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-27 19:51:11,195 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2024-11-27 19:51:11,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-27 19:51:11,199 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:51:11,199 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:51:11,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:51:11,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:51:11,400 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:51:11,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:11,401 INFO L85 PathProgramCache]: Analyzing trace with hash -957014791, now seen corresponding path program 1 times [2024-11-27 19:51:11,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:51:11,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [766079189] [2024-11-27 19:51:11,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:11,402 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 19:51:11,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 19:51:11,407 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:51:11,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:51:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:11,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 19:51:11,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:51:11,856 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 19:51:11,856 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:51:11,856 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:51:11,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [766079189] [2024-11-27 19:51:11,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [766079189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:11,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:11,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:51:11,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305727405] [2024-11-27 19:51:11,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:11,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:51:11,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:51:11,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:51:11,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:51:11,862 INFO L87 Difference]: Start difference. First operand 93 states and 135 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:51:11,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:51:11,987 INFO L93 Difference]: Finished difference Result 188 states and 274 transitions. [2024-11-27 19:51:11,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:51:11,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 134 [2024-11-27 19:51:11,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:51:11,991 INFO L225 Difference]: With dead ends: 188 [2024-11-27 19:51:11,993 INFO L226 Difference]: Without dead ends: 98 [2024-11-27 19:51:11,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 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 19:51:11,995 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 1 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:51:11,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 507 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:51:11,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-27 19:51:12,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2024-11-27 19:51:12,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 77 states have (on average 1.3376623376623376) internal successors, (103), 77 states have internal predecessors, (103), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-27 19:51:12,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2024-11-27 19:51:12,015 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 134 [2024-11-27 19:51:12,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:51:12,021 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions. [2024-11-27 19:51:12,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:51:12,022 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2024-11-27 19:51:12,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-27 19:51:12,025 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:51:12,026 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:51:12,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:51:12,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:51:12,230 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:51:12,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:12,232 INFO L85 PathProgramCache]: Analyzing trace with hash -955167749, now seen corresponding path program 1 times [2024-11-27 19:51:12,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:51:12,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634669398] [2024-11-27 19:51:12,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:12,233 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 19:51:12,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 19:51:12,235 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:51:12,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:51:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:12,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 19:51:12,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:51:12,749 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 72 treesize of output 71 [2024-11-27 19:51:13,047 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 156 treesize of output 128 [2024-11-27 19:51:14,270 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 19:51:14,271 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:51:14,272 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:51:14,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [634669398] [2024-11-27 19:51:14,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [634669398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:14,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:51:14,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:51:14,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801469059] [2024-11-27 19:51:14,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:14,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:51:14,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:51:14,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:51:14,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:51:14,277 INFO L87 Difference]: Start difference. First operand 97 states and 139 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:51:17,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:51:17,217 INFO L93 Difference]: Finished difference Result 286 states and 412 transitions. [2024-11-27 19:51:17,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:51:17,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 134 [2024-11-27 19:51:17,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:51:17,221 INFO L225 Difference]: With dead ends: 286 [2024-11-27 19:51:17,221 INFO L226 Difference]: Without dead ends: 192 [2024-11-27 19:51:17,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:51:17,223 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 82 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-27 19:51:17,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 301 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-27 19:51:17,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-27 19:51:17,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 157. [2024-11-27 19:51:17,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 118 states have (on average 1.2966101694915255) internal successors, (153), 118 states have internal predecessors, (153), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 19:51:17,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 225 transitions. [2024-11-27 19:51:17,267 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 225 transitions. Word has length 134 [2024-11-27 19:51:17,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:51:17,268 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 225 transitions. [2024-11-27 19:51:17,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:51:17,268 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 225 transitions. [2024-11-27 19:51:17,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-27 19:51:17,274 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:51:17,274 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:51:17,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-27 19:51:17,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:51:17,475 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:51:17,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:17,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1705869233, now seen corresponding path program 1 times [2024-11-27 19:51:17,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:51:17,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [586152553] [2024-11-27 19:51:17,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:17,477 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 19:51:17,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 19:51:17,479 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:51:17,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:51:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:17,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-27 19:51:17,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:51:18,271 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 19:51:19,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 19:51:20,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 19:51:21,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-27 19:51:22,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-27 19:51:23,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-11-27 19:51:24,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 43 [2024-11-27 19:51:25,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2024-11-27 19:51:25,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2024-11-27 19:51:27,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 95 treesize of output 71 [2024-11-27 19:51:27,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 121 [2024-11-27 19:51:27,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2024-11-27 19:51:28,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 117 [2024-11-27 19:51:28,947 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 19:51:28,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 146 treesize of output 117 [2024-11-27 19:51:29,453 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 361 proven. 170 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-27 19:51:29,453 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:51:34,514 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:51:34,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [586152553] [2024-11-27 19:51:34,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [586152553] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:51:34,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2036529237] [2024-11-27 19:51:34,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:34,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 19:51:34,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 19:51:34,520 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 19:51:34,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-27 19:51:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:35,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 19:51:35,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:51:39,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 45 treesize of output 32 [2024-11-27 19:51:39,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 8 [2024-11-27 19:51:39,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 8 [2024-11-27 19:51:39,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2024-11-27 19:51:39,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2024-11-27 19:51:40,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2024-11-27 19:51:40,464 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 97 treesize of output 73 [2024-11-27 19:51:40,828 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 19:51:40,828 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:51:40,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2036529237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:51:40,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 19:51:40,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [16] total 24 [2024-11-27 19:51:40,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96349109] [2024-11-27 19:51:40,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:51:40,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 19:51:40,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:51:40,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 19:51:40,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=815, Unknown=0, NotChecked=0, Total=930 [2024-11-27 19:51:40,832 INFO L87 Difference]: Start difference. First operand 157 states and 225 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:51:42,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:51:42,500 INFO L93 Difference]: Finished difference Result 317 states and 457 transitions. [2024-11-27 19:51:42,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 19:51:42,502 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 141 [2024-11-27 19:51:42,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:51:42,505 INFO L225 Difference]: With dead ends: 317 [2024-11-27 19:51:42,505 INFO L226 Difference]: Without dead ends: 223 [2024-11-27 19:51:42,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=139, Invalid=983, Unknown=0, NotChecked=0, Total=1122 [2024-11-27 19:51:42,507 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 256 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-27 19:51:42,507 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 432 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-27 19:51:42,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-27 19:51:42,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 192. [2024-11-27 19:51:42,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 153 states have (on average 1.34640522875817) internal successors, (206), 153 states have internal predecessors, (206), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 19:51:42,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 278 transitions. [2024-11-27 19:51:42,566 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 278 transitions. Word has length 141 [2024-11-27 19:51:42,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:51:42,566 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 278 transitions. [2024-11-27 19:51:42,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:51:42,567 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 278 transitions. [2024-11-27 19:51:42,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-27 19:51:42,569 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:51:42,569 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:51:42,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:51:42,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-27 19:51:42,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-27 19:51:42,970 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:51:42,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:51:42,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1447703795, now seen corresponding path program 1 times [2024-11-27 19:51:42,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:51:42,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212819141] [2024-11-27 19:51:42,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:51:42,971 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 19:51:42,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 19:51:42,974 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:51:42,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:51:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:51:43,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-27 19:51:43,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:51:43,584 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 19:51:44,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-27 19:51:45,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-27 19:51:45,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 43 [2024-11-27 19:51:46,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2024-11-27 19:51:47,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 65 [2024-11-27 19:51:48,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 68 [2024-11-27 19:51:49,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 76 [2024-11-27 19:51:50,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 87 [2024-11-27 19:51:52,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 119 treesize of output 89 [2024-11-27 19:51:52,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 163 [2024-11-27 19:51:53,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 60 [2024-11-27 19:51:54,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 194 treesize of output 162 [2024-11-27 19:51:55,018 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 19:51:55,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 194 treesize of output 162 [2024-11-27 19:51:55,852 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 393 proven. 170 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-27 19:51:55,852 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:52:00,741 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:52:00,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212819141] [2024-11-27 19:52:00,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [212819141] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:52:00,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1135450645] [2024-11-27 19:52:00,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:00,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 19:52:00,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 19:52:00,743 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 19:52:00,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-27 19:52:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:01,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-27 19:52:01,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:52:04,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 45 treesize of output 32 [2024-11-27 19:52:04,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 8 [2024-11-27 19:52:04,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 8 [2024-11-27 19:52:05,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2024-11-27 19:52:05,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2024-11-27 19:52:05,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2024-11-27 19:52:06,503 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 19:52:06,503 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:52:06,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1135450645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:52:06,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 19:52:06,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [19] total 28 [2024-11-27 19:52:06,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398197891] [2024-11-27 19:52:06,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:52:06,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 19:52:06,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:52:06,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 19:52:06,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1046, Unknown=0, NotChecked=0, Total=1190 [2024-11-27 19:52:06,507 INFO L87 Difference]: Start difference. First operand 192 states and 278 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:52:08,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:52:08,872 INFO L93 Difference]: Finished difference Result 366 states and 527 transitions. [2024-11-27 19:52:08,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 19:52:08,873 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 141 [2024-11-27 19:52:08,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:52:08,875 INFO L225 Difference]: With dead ends: 366 [2024-11-27 19:52:08,875 INFO L226 Difference]: Without dead ends: 251 [2024-11-27 19:52:08,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 478 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=182, Invalid=1300, Unknown=0, NotChecked=0, Total=1482 [2024-11-27 19:52:08,877 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 438 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-27 19:52:08,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 525 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-27 19:52:08,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-27 19:52:08,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 192. [2024-11-27 19:52:08,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 153 states have (on average 1.34640522875817) internal successors, (206), 153 states have internal predecessors, (206), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 19:52:08,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 278 transitions. [2024-11-27 19:52:08,919 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 278 transitions. Word has length 141 [2024-11-27 19:52:08,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:52:08,919 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 278 transitions. [2024-11-27 19:52:08,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:52:08,920 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 278 transitions. [2024-11-27 19:52:08,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-27 19:52:08,922 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:52:08,922 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:08,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-27 19:52:09,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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)] Forceful destruction successful, exit code 0 [2024-11-27 19:52:09,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:52:09,323 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:52:09,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:09,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1565320623, now seen corresponding path program 1 times [2024-11-27 19:52:09,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:52:09,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [712932288] [2024-11-27 19:52:09,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:09,324 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 19:52:09,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 19:52:09,326 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:52:09,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:52:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:09,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-27 19:52:09,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:52:09,891 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 12 treesize of output 8 [2024-11-27 19:52:10,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-27 19:52:11,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-27 19:52:12,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-27 19:52:13,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-27 19:52:13,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2024-11-27 19:52:14,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2024-11-27 19:52:15,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2024-11-27 19:52:16,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 53 [2024-11-27 19:52:18,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 61 [2024-11-27 19:52:18,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 61 [2024-11-27 19:52:18,540 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 19:52:18,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 61 [2024-11-27 19:52:18,676 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 19:52:18,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 64 treesize of output 36 [2024-11-27 19:52:18,723 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 297 proven. 170 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-27 19:52:18,723 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:52:19,454 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:52:19,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [712932288] [2024-11-27 19:52:19,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [712932288] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:52:19,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1486958489] [2024-11-27 19:52:19,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:19,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 19:52:19,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 19:52:19,456 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 19:52:19,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-27 19:52:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:20,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-27 19:52:20,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:52:23,525 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 12 treesize of output 8 [2024-11-27 19:52:23,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-27 19:52:23,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-27 19:52:23,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-27 19:52:24,195 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 69 treesize of output 57 [2024-11-27 19:52:24,400 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 19:52:24,400 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:52:24,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1486958489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:52:24,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 19:52:24,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [17] total 26 [2024-11-27 19:52:24,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868457196] [2024-11-27 19:52:24,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:52:24,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 19:52:24,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:52:24,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 19:52:24,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=924, Unknown=0, NotChecked=0, Total=1056 [2024-11-27 19:52:24,402 INFO L87 Difference]: Start difference. First operand 192 states and 278 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:52:26,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:52:26,582 INFO L93 Difference]: Finished difference Result 363 states and 524 transitions. [2024-11-27 19:52:26,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 19:52:26,582 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 141 [2024-11-27 19:52:26,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:52:26,584 INFO L225 Difference]: With dead ends: 363 [2024-11-27 19:52:26,584 INFO L226 Difference]: Without dead ends: 248 [2024-11-27 19:52:26,585 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=188, Invalid=1294, Unknown=0, NotChecked=0, Total=1482 [2024-11-27 19:52:26,586 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 200 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-27 19:52:26,586 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 715 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-27 19:52:26,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-27 19:52:26,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 173. [2024-11-27 19:52:26,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 134 states have (on average 1.3208955223880596) internal successors, (177), 134 states have internal predecessors, (177), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 19:52:26,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 249 transitions. [2024-11-27 19:52:26,620 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 249 transitions. Word has length 141 [2024-11-27 19:52:26,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:52:26,621 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 249 transitions. [2024-11-27 19:52:26,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:52:26,621 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 249 transitions. [2024-11-27 19:52:26,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-27 19:52:26,623 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:52:26,623 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:26,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-27 19:52:26,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:52:27,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:52:27,024 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:52:27,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:27,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1643005562, now seen corresponding path program 1 times [2024-11-27 19:52:27,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:52:27,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383331491] [2024-11-27 19:52:27,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:27,025 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 19:52:27,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 19:52:27,026 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:52:27,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:52:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:27,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 19:52:27,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:52:27,351 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 19:52:27,351 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:52:27,351 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:52:27,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [383331491] [2024-11-27 19:52:27,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [383331491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:52:27,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:52:27,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:52:27,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717923205] [2024-11-27 19:52:27,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:52:27,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:52:27,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:52:27,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:52:27,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:52:27,353 INFO L87 Difference]: Start difference. First operand 173 states and 249 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:52:27,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:52:27,990 INFO L93 Difference]: Finished difference Result 317 states and 456 transitions. [2024-11-27 19:52:27,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:52:27,991 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 144 [2024-11-27 19:52:27,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:52:27,993 INFO L225 Difference]: With dead ends: 317 [2024-11-27 19:52:27,993 INFO L226 Difference]: Without dead ends: 207 [2024-11-27 19:52:27,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 140 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 19:52:27,994 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 38 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 19:52:27,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 362 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 19:52:27,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-27 19:52:28,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 181. [2024-11-27 19:52:28,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 142 states have (on average 1.323943661971831) internal successors, (188), 142 states have internal predecessors, (188), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 19:52:28,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 260 transitions. [2024-11-27 19:52:28,026 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 260 transitions. Word has length 144 [2024-11-27 19:52:28,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:52:28,027 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 260 transitions. [2024-11-27 19:52:28,027 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:52:28,027 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 260 transitions. [2024-11-27 19:52:28,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-27 19:52:28,029 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:52:28,029 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:28,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:52:28,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:52:28,230 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:52:28,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:28,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1950897156, now seen corresponding path program 1 times [2024-11-27 19:52:28,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:52:28,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277793983] [2024-11-27 19:52:28,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:28,230 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 19:52:28,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 19:52:28,232 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:52:28,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:52:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:28,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-27 19:52:28,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:52:28,834 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 19:52:29,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-27 19:52:30,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-27 19:52:31,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 43 [2024-11-27 19:52:32,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2024-11-27 19:52:33,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 57 [2024-11-27 19:52:34,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 65 [2024-11-27 19:52:35,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 76 [2024-11-27 19:52:37,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 87 [2024-11-27 19:52:39,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 119 treesize of output 89 [2024-11-27 19:52:39,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 163 [2024-11-27 19:52:39,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 67 [2024-11-27 19:52:40,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 194 treesize of output 162 [2024-11-27 19:52:41,169 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 19:52:41,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 194 treesize of output 162 [2024-11-27 19:52:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 393 proven. 170 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-27 19:52:42,046 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:52:47,306 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:52:47,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1277793983] [2024-11-27 19:52:47,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1277793983] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:52:47,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [36450834] [2024-11-27 19:52:47,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:47,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 19:52:47,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 19:52:47,309 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 19:52:47,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-27 19:52:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:47,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 19:52:47,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:52:50,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-27 19:52:50,259 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 19:52:50,259 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:52:50,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [36450834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:52:50,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 19:52:50,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 23 [2024-11-27 19:52:50,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881671730] [2024-11-27 19:52:50,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:52:50,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 19:52:50,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:52:50,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 19:52:50,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=741, Unknown=0, NotChecked=0, Total=870 [2024-11-27 19:52:50,261 INFO L87 Difference]: Start difference. First operand 181 states and 260 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:52:51,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:52:51,322 INFO L93 Difference]: Finished difference Result 346 states and 497 transitions. [2024-11-27 19:52:51,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 19:52:51,323 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 144 [2024-11-27 19:52:51,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:52:51,325 INFO L225 Difference]: With dead ends: 346 [2024-11-27 19:52:51,325 INFO L226 Difference]: Without dead ends: 228 [2024-11-27 19:52:51,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=141, Invalid=851, Unknown=0, NotChecked=0, Total=992 [2024-11-27 19:52:51,330 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 159 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-27 19:52:51,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 277 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-27 19:52:51,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-27 19:52:51,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 191. [2024-11-27 19:52:51,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 152 states have (on average 1.3355263157894737) internal successors, (203), 152 states have internal predecessors, (203), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 19:52:51,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 275 transitions. [2024-11-27 19:52:51,394 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 275 transitions. Word has length 144 [2024-11-27 19:52:51,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:52:51,395 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 275 transitions. [2024-11-27 19:52:51,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 19:52:51,396 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 275 transitions. [2024-11-27 19:52:51,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-27 19:52:51,398 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:52:51,398 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:51,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-27 19:52:51,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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)] Forceful destruction successful, exit code 0 [2024-11-27 19:52:51,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:52:51,799 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:52:51,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:52:51,800 INFO L85 PathProgramCache]: Analyzing trace with hash -351139144, now seen corresponding path program 1 times [2024-11-27 19:52:51,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:52:51,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510863874] [2024-11-27 19:52:51,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:52:51,801 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 19:52:51,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 19:52:51,804 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:52:51,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 (14)] Waiting until timeout for monitored process [2024-11-27 19:52:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:52:52,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-27 19:52:52,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:52:52,471 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 19:52:53,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-27 19:52:54,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-11-27 19:52:54,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-27 19:52:55,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-11-27 19:52:56,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-11-27 19:52:57,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-11-27 19:52:58,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-11-27 19:52:59,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 43 [2024-11-27 19:53:00,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 87 treesize of output 65 [2024-11-27 19:53:00,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 107 [2024-11-27 19:53:00,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 33 [2024-11-27 19:53:01,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 102 [2024-11-27 19:53:01,918 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 19:53:01,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 130 treesize of output 102 [2024-11-27 19:53:02,268 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 233 proven. 170 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-11-27 19:53:02,268 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:53:07,353 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:53:07,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [510863874] [2024-11-27 19:53:07,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [510863874] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:53:07,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [835874893] [2024-11-27 19:53:07,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:53:07,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 19:53:07,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 19:53:07,357 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 19:53:07,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-27 19:53:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:53:08,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-27 19:53:08,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:53:08,699 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 12 treesize of output 8 [2024-11-27 19:53:09,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-27 19:53:10,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2024-11-27 19:53:11,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2024-11-27 19:53:13,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2024-11-27 19:53:14,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2024-11-27 19:53:15,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 53 [2024-11-27 19:53:16,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 64 [2024-11-27 19:53:18,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 75 [2024-11-27 19:53:20,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 110 treesize of output 82 [2024-11-27 19:53:20,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 148 [2024-11-27 19:53:20,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 60 [2024-11-27 19:53:21,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 145 [2024-11-27 19:53:22,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 145 [2024-11-27 19:53:23,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 145 [2024-11-27 19:53:24,281 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 416 proven. 128 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-27 19:53:24,281 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:53:36,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [835874893] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:53:36,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 19:53:36,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2024-11-27 19:53:36,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177754409] [2024-11-27 19:53:36,693 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 19:53:36,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-27 19:53:36,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:53:36,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-27 19:53:36,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1438, Unknown=0, NotChecked=0, Total=1640 [2024-11-27 19:53:36,696 INFO L87 Difference]: Start difference. First operand 191 states and 275 transitions. Second operand has 30 states, 29 states have (on average 4.379310344827586) internal successors, (127), 28 states have internal predecessors, (127), 12 states have call successors, (36), 11 states have call predecessors, (36), 12 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2024-11-27 19:54:01,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 19:54:03,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 19:54:08,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 19:54:11,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:54:11,708 INFO L93 Difference]: Finished difference Result 423 states and 605 transitions. [2024-11-27 19:54:11,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-27 19:54:11,710 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 4.379310344827586) internal successors, (127), 28 states have internal predecessors, (127), 12 states have call successors, (36), 11 states have call predecessors, (36), 12 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) Word has length 144 [2024-11-27 19:54:11,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:54:11,713 INFO L225 Difference]: With dead ends: 423 [2024-11-27 19:54:11,713 INFO L226 Difference]: Without dead ends: 296 [2024-11-27 19:54:11,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 876 ImplicationChecksByTransitivity, 29.7s TimeCoverageRelationStatistics Valid=573, Invalid=2619, Unknown=0, NotChecked=0, Total=3192 [2024-11-27 19:54:11,715 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 1041 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1041 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 1657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2024-11-27 19:54:11,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1041 Valid, 477 Invalid, 1657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 1361 Invalid, 0 Unknown, 0 Unchecked, 26.7s Time] [2024-11-27 19:54:11,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-27 19:54:11,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 247. [2024-11-27 19:54:11,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 206 states have (on average 1.3689320388349515) internal successors, (282), 206 states have internal predecessors, (282), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 19:54:11,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 354 transitions. [2024-11-27 19:54:11,784 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 354 transitions. Word has length 144 [2024-11-27 19:54:11,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:54:11,785 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 354 transitions. [2024-11-27 19:54:11,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 4.379310344827586) internal successors, (127), 28 states have internal predecessors, (127), 12 states have call successors, (36), 11 states have call predecessors, (36), 12 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2024-11-27 19:54:11,785 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 354 transitions. [2024-11-27 19:54:11,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-27 19:54:11,786 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:54:11,787 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:54:11,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 (14)] Ended with exit code 0 [2024-11-27 19:54:11,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-27 19:54:12,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-27 19:54:12,188 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:54:12,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:54:12,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1732042438, now seen corresponding path program 1 times [2024-11-27 19:54:12,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:54:12,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [963624570] [2024-11-27 19:54:12,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:54:12,190 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 19:54:12,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 19:54:12,191 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:54:12,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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)] Waiting until timeout for monitored process [2024-11-27 19:54:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:54:12,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-27 19:54:12,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:54:18,622 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 19:54:20,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 19:54:22,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2024-11-27 19:54:24,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2024-11-27 19:54:26,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 79 treesize of output 59 [2024-11-27 19:54:26,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 103 [2024-11-27 19:54:26,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 43 [2024-11-27 19:54:28,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 99 [2024-11-27 19:54:28,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 99 [2024-11-27 19:54:29,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 115 [2024-11-27 19:54:30,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 19:54:30,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 194 treesize of output 114 [2024-11-27 19:54:31,263 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 264 proven. 149 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-11-27 19:54:31,263 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:54:52,981 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:54:52,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [963624570] [2024-11-27 19:54:52,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [963624570] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:54:52,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1994972329] [2024-11-27 19:54:52,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:54:52,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 19:54:52,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 19:54:52,983 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 19:54:52,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-27 19:54:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:54:54,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-27 19:54:54,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:55:00,718 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 12 treesize of output 8 [2024-11-27 19:55:03,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-27 19:55:06,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 33 [2024-11-27 19:55:08,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 33 [2024-11-27 19:55:10,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 52 [2024-11-27 19:55:10,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2024-11-27 19:55:11,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 23 [2024-11-27 19:55:13,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 89 [2024-11-27 19:55:14,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 89 [2024-11-27 19:55:15,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 105 [2024-11-27 19:55:17,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 118 [2024-11-27 19:55:18,071 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 267 proven. 149 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-27 19:55:18,071 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:55:29,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1994972329] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:55:29,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 19:55:29,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22] total 39 [2024-11-27 19:55:29,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475501152] [2024-11-27 19:55:29,011 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 19:55:29,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-27 19:55:29,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:55:29,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-27 19:55:29,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=398, Invalid=1857, Unknown=1, NotChecked=0, Total=2256 [2024-11-27 19:55:29,014 INFO L87 Difference]: Start difference. First operand 247 states and 354 transitions. Second operand has 40 states, 36 states have (on average 3.8333333333333335) internal successors, (138), 37 states have internal predecessors, (138), 13 states have call successors, (36), 11 states have call predecessors, (36), 13 states have return successors, (36), 9 states have call predecessors, (36), 13 states have call successors, (36) [2024-11-27 19:56:47,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 19:56:48,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 19:57:01,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 19:57:02,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 19:57:06,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 19:57:08,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 19:57:11,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 19:57:15,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 19:57:21,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 19:57:25,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 19:57:28,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 19:57:30,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 19:57:31,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 19:57:35,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 19:57:36,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:57:36,856 INFO L93 Difference]: Finished difference Result 722 states and 990 transitions. [2024-11-27 19:57:36,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-27 19:57:36,858 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 36 states have (on average 3.8333333333333335) internal successors, (138), 37 states have internal predecessors, (138), 13 states have call successors, (36), 11 states have call predecessors, (36), 13 states have return successors, (36), 9 states have call predecessors, (36), 13 states have call successors, (36) Word has length 144 [2024-11-27 19:57:36,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:57:36,864 INFO L225 Difference]: With dead ends: 722 [2024-11-27 19:57:36,864 INFO L226 Difference]: Without dead ends: 561 [2024-11-27 19:57:36,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 303 SyntacticMatches, 3 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1616 ImplicationChecksByTransitivity, 75.1s TimeCoverageRelationStatistics Valid=1263, Invalid=4436, Unknown=1, NotChecked=0, Total=5700 [2024-11-27 19:57:36,868 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 1437 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 2611 mSolverCounterSat, 585 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 1110 SdHoareTripleChecker+Invalid, 3196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 585 IncrementalHoareTripleChecker+Valid, 2611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 89.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:57:36,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 1110 Invalid, 3196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [585 Valid, 2611 Invalid, 0 Unknown, 0 Unchecked, 89.2s Time] [2024-11-27 19:57:36,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2024-11-27 19:57:36,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 381. [2024-11-27 19:57:36,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 328 states have (on average 1.3597560975609757) internal successors, (446), 328 states have internal predecessors, (446), 36 states have call successors, (36), 16 states have call predecessors, (36), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 19:57:36,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 518 transitions. [2024-11-27 19:57:36,988 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 518 transitions. Word has length 144 [2024-11-27 19:57:36,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:57:36,989 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 518 transitions. [2024-11-27 19:57:36,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 36 states have (on average 3.8333333333333335) internal successors, (138), 37 states have internal predecessors, (138), 13 states have call successors, (36), 11 states have call predecessors, (36), 13 states have return successors, (36), 9 states have call predecessors, (36), 13 states have call successors, (36) [2024-11-27 19:57:36,990 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 518 transitions. [2024-11-27 19:57:36,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-27 19:57:36,992 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:57:36,992 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:57:37,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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)] Ended with exit code 0 [2024-11-27 19:57:37,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-27 19:57:37,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-27 19:57:37,393 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:57:37,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:57:37,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1670002824, now seen corresponding path program 1 times [2024-11-27 19:57:37,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:57:37,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1498881833] [2024-11-27 19:57:37,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:57:37,395 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 19:57:37,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 19:57:37,398 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:57:37,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 19:57:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:57:37,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-27 19:57:37,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:57:50,132 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 19:57:52,470 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 12 treesize of output 8 [2024-11-27 19:57:55,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-27 19:57:58,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2024-11-27 19:58:02,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 69 treesize of output 51 [2024-11-27 19:58:02,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 87 [2024-11-27 19:58:03,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 16 [2024-11-27 19:58:04,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 75 [2024-11-27 19:58:05,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 75 [2024-11-27 19:58:06,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 98 [2024-11-27 19:58:09,246 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 19:58:09,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 165 treesize of output 97 [2024-11-27 19:58:09,634 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 208 proven. 128 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-27 19:58:09,635 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:58:42,689 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:58:42,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1498881833] [2024-11-27 19:58:42,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1498881833] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:58:42,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1126892990] [2024-11-27 19:58:42,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:58:42,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 19:58:42,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 19:58:42,692 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 19:58:42,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-27 19:58:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:58:43,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-27 19:58:43,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:58:59,840 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 12 treesize of output 8 [2024-11-27 19:59:04,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-27 19:59:11,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2024-11-27 19:59:15,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 47 [2024-11-27 19:59:20,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 64 [2024-11-27 19:59:20,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 106 [2024-11-27 19:59:21,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 38 [2024-11-27 19:59:26,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 107 [2024-11-27 19:59:27,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 107 [2024-11-27 19:59:29,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 123 [2024-11-27 19:59:34,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 122 [2024-11-27 19:59:34,882 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 275 proven. 149 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-27 19:59:34,882 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:00:20,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1126892990] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:00:20,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:00:20,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 23] total 31 [2024-11-27 20:00:20,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478307220] [2024-11-27 20:00:20,414 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:00:20,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-27 20:00:20,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:00:20,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-27 20:00:20,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=358, Invalid=1272, Unknown=10, NotChecked=0, Total=1640 [2024-11-27 20:00:20,417 INFO L87 Difference]: Start difference. First operand 381 states and 518 transitions. Second operand has 32 states, 30 states have (on average 4.4) internal successors, (132), 29 states have internal predecessors, (132), 11 states have call successors, (36), 11 states have call predecessors, (36), 11 states have return successors, (36), 9 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-27 20:01:25,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:01:31,455 WARN L539 Checker$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 20:01:49,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:02:01,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:02:06,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:02:08,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:02:10,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:02:17,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:02:19,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:02:29,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:02:29,060 INFO L93 Difference]: Finished difference Result 905 states and 1229 transitions. [2024-11-27 20:02:29,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-27 20:02:29,062 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 30 states have (on average 4.4) internal successors, (132), 29 states have internal predecessors, (132), 11 states have call successors, (36), 11 states have call predecessors, (36), 11 states have return successors, (36), 9 states have call predecessors, (36), 11 states have call successors, (36) Word has length 144 [2024-11-27 20:02:29,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:02:29,066 INFO L225 Difference]: With dead ends: 905 [2024-11-27 20:02:29,066 INFO L226 Difference]: Without dead ends: 655 [2024-11-27 20:02:29,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 311 SyntacticMatches, 3 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1296 ImplicationChecksByTransitivity, 142.2s TimeCoverageRelationStatistics Valid=1409, Invalid=3983, Unknown=10, NotChecked=0, Total=5402 [2024-11-27 20:02:29,069 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 895 mSDsluCounter, 1142 mSDsCounter, 0 mSdLazyCounter, 3291 mSolverCounterSat, 361 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 1269 SdHoareTripleChecker+Invalid, 3653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 361 IncrementalHoareTripleChecker+Valid, 3291 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:02:29,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 1269 Invalid, 3653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [361 Valid, 3291 Invalid, 1 Unknown, 0 Unchecked, 74.0s Time] [2024-11-27 20:02:29,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2024-11-27 20:02:29,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 329. [2024-11-27 20:02:29,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 276 states have (on average 1.3224637681159421) internal successors, (365), 276 states have internal predecessors, (365), 36 states have call successors, (36), 16 states have call predecessors, (36), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 20:02:29,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 437 transitions. [2024-11-27 20:02:29,232 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 437 transitions. Word has length 144 [2024-11-27 20:02:29,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:02:29,233 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 437 transitions. [2024-11-27 20:02:29,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 30 states have (on average 4.4) internal successors, (132), 29 states have internal predecessors, (132), 11 states have call successors, (36), 11 states have call predecessors, (36), 11 states have return successors, (36), 9 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-27 20:02:29,233 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 437 transitions. [2024-11-27 20:02:29,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-27 20:02:29,234 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:02:29,234 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:29,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-27 20:02:29,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:02:29,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:02:29,635 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:02:29,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:02:29,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1952317151, now seen corresponding path program 1 times [2024-11-27 20:02:29,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:02:29,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [726026785] [2024-11-27 20:02:29,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:02:29,636 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 20:02:29,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:02:29,639 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:02:29,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:02:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:02:29,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:02:29,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:02:30,131 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 20:02:30,131 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:02:30,131 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:02:30,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [726026785] [2024-11-27 20:02:30,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [726026785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:02:30,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:02:30,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:02:30,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162429908] [2024-11-27 20:02:30,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:02:30,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:02:30,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:02:30,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:02:30,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:02:30,133 INFO L87 Difference]: Start difference. First operand 329 states and 437 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 20:02:32,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:02:32,056 INFO L93 Difference]: Finished difference Result 607 states and 820 transitions. [2024-11-27 20:02:32,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:02:32,057 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2024-11-27 20:02:32,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:02:32,060 INFO L225 Difference]: With dead ends: 607 [2024-11-27 20:02:32,060 INFO L226 Difference]: Without dead ends: 392 [2024-11-27 20:02:32,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:02:32,062 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 43 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:02:32,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 446 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-27 20:02:32,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-27 20:02:32,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 351. [2024-11-27 20:02:32,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 298 states have (on average 1.3221476510067114) internal successors, (394), 298 states have internal predecessors, (394), 36 states have call successors, (36), 16 states have call predecessors, (36), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 20:02:32,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 466 transitions. [2024-11-27 20:02:32,234 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 466 transitions. Word has length 145 [2024-11-27 20:02:32,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:02:32,234 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 466 transitions. [2024-11-27 20:02:32,235 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 20:02:32,235 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 466 transitions. [2024-11-27 20:02:32,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-27 20:02:32,236 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:02:32,237 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:32,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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)] Ended with exit code 0 [2024-11-27 20:02:32,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:02:32,437 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:02:32,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:02:32,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1062786467, now seen corresponding path program 1 times [2024-11-27 20:02:32,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:02:32,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533808292] [2024-11-27 20:02:32,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:02:32,439 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 20:02:32,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:02:32,441 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:02:32,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:02:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:02:32,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:02:32,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:02:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 20:02:33,085 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:02:33,085 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:02:33,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1533808292] [2024-11-27 20:02:33,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1533808292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:02:33,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:02:33,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:02:33,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845316486] [2024-11-27 20:02:33,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:02:33,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:02:33,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:02:33,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:02:33,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:02:33,088 INFO L87 Difference]: Start difference. First operand 351 states and 466 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 20:02:35,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:02:35,041 INFO L93 Difference]: Finished difference Result 625 states and 839 transitions. [2024-11-27 20:02:35,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:02:35,043 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2024-11-27 20:02:35,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:02:35,045 INFO L225 Difference]: With dead ends: 625 [2024-11-27 20:02:35,046 INFO L226 Difference]: Without dead ends: 392 [2024-11-27 20:02:35,047 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:02:35,047 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 42 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:02:35,048 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 432 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-27 20:02:35,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-27 20:02:35,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 363. [2024-11-27 20:02:35,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 310 states have (on average 1.3129032258064517) internal successors, (407), 310 states have internal predecessors, (407), 36 states have call successors, (36), 16 states have call predecessors, (36), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 20:02:35,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 479 transitions. [2024-11-27 20:02:35,228 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 479 transitions. Word has length 145 [2024-11-27 20:02:35,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:02:35,228 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 479 transitions. [2024-11-27 20:02:35,228 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 20:02:35,228 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 479 transitions. [2024-11-27 20:02:35,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-27 20:02:35,230 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:02:35,230 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:35,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:02:35,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:02:35,431 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:02:35,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:02:35,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1609790563, now seen corresponding path program 1 times [2024-11-27 20:02:35,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:02:35,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1937492970] [2024-11-27 20:02:35,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:02:35,432 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 20:02:35,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:02:35,434 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:02:35,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:02:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:02:35,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:02:35,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:02:36,084 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 20:02:36,085 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:02:36,085 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:02:36,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1937492970] [2024-11-27 20:02:36,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1937492970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:02:36,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:02:36,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:02:36,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036321613] [2024-11-27 20:02:36,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:02:36,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:02:36,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:02:36,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:02:36,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:02:36,087 INFO L87 Difference]: Start difference. First operand 363 states and 479 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 20:02:38,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:02:38,046 INFO L93 Difference]: Finished difference Result 681 states and 913 transitions. [2024-11-27 20:02:38,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:02:38,047 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2024-11-27 20:02:38,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:02:38,049 INFO L225 Difference]: With dead ends: 681 [2024-11-27 20:02:38,049 INFO L226 Difference]: Without dead ends: 436 [2024-11-27 20:02:38,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:02:38,051 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 47 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:02:38,052 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 457 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-27 20:02:38,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-27 20:02:38,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 366. [2024-11-27 20:02:38,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 313 states have (on average 1.3194888178913737) internal successors, (413), 313 states have internal predecessors, (413), 36 states have call successors, (36), 16 states have call predecessors, (36), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 20:02:38,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 485 transitions. [2024-11-27 20:02:38,203 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 485 transitions. Word has length 145 [2024-11-27 20:02:38,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:02:38,204 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 485 transitions. [2024-11-27 20:02:38,204 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 20:02:38,204 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 485 transitions. [2024-11-27 20:02:38,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-27 20:02:38,205 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:02:38,205 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:38,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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)] Forceful destruction successful, exit code 0 [2024-11-27 20:02:38,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:02:38,406 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:02:38,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:02:38,406 INFO L85 PathProgramCache]: Analyzing trace with hash 879738399, now seen corresponding path program 1 times [2024-11-27 20:02:38,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:02:38,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1046360099] [2024-11-27 20:02:38,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:02:38,407 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 20:02:38,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:02:38,409 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:02:38,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:02:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:02:38,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:02:38,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:02:38,770 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 20:02:38,770 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:02:38,770 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:02:38,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1046360099] [2024-11-27 20:02:38,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1046360099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:02:38,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:02:38,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:02:38,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014163337] [2024-11-27 20:02:38,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:02:38,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:02:38,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:02:38,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:02:38,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:02:38,772 INFO L87 Difference]: Start difference. First operand 366 states and 485 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 20:02:39,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:02:39,007 INFO L93 Difference]: Finished difference Result 613 states and 819 transitions. [2024-11-27 20:02:39,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:02:39,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2024-11-27 20:02:39,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:02:39,011 INFO L225 Difference]: With dead ends: 613 [2024-11-27 20:02:39,011 INFO L226 Difference]: Without dead ends: 352 [2024-11-27 20:02:39,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:02:39,015 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:02:39,015 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 262 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:02:39,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-27 20:02:39,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2024-11-27 20:02:39,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 299 states have (on average 1.2909698996655519) internal successors, (386), 299 states have internal predecessors, (386), 36 states have call successors, (36), 16 states have call predecessors, (36), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 20:02:39,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 458 transitions. [2024-11-27 20:02:39,160 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 458 transitions. Word has length 145 [2024-11-27 20:02:39,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:02:39,161 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 458 transitions. [2024-11-27 20:02:39,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 20:02:39,161 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 458 transitions. [2024-11-27 20:02:39,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-27 20:02:39,162 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:02:39,162 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:02:39,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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)] Forceful destruction successful, exit code 0 [2024-11-27 20:02:39,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:02:39,363 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:02:39,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:02:39,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1772671844, now seen corresponding path program 1 times [2024-11-27 20:02:39,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:02:39,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1871720773] [2024-11-27 20:02:39,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:02:39,364 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 20:02:39,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:02:39,366 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:02:39,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:02:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:02:39,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-27 20:02:39,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:02:42,748 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 8 treesize of output 1 [2024-11-27 20:02:45,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-11-27 20:02:48,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-11-27 20:02:50,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-11-27 20:02:52,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2024-11-27 20:02:55,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2024-11-27 20:02:58,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 43 [2024-11-27 20:03:01,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 46 [2024-11-27 20:03:04,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 78 treesize of output 58 [2024-11-27 20:03:04,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 102 [2024-11-27 20:03:05,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2024-11-27 20:03:06,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 92 [2024-11-27 20:03:07,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 92 [2024-11-27 20:03:09,405 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:03:09,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 121 treesize of output 97 [2024-11-27 20:03:11,606 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 341 proven. 164 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-27 20:03:11,606 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:03:52,036 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:03:52,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1871720773] [2024-11-27 20:03:52,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1871720773] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:03:52,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [210471780] [2024-11-27 20:03:52,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:03:52,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 20:03:52,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 20:03:52,039 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 20:03:52,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-27 20:03:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:03:52,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 20:03:52,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:03:59,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 20:04:00,335 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 20:04:00,336 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:04:00,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [210471780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:00,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:04:00,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [16] total 20 [2024-11-27 20:04:00,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53915277] [2024-11-27 20:04:00,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:00,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:04:00,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:04:00,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:04:00,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=565, Unknown=3, NotChecked=0, Total=702 [2024-11-27 20:04:00,338 INFO L87 Difference]: Start difference. First operand 352 states and 458 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 20:04:02,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:02,674 INFO L93 Difference]: Finished difference Result 630 states and 829 transitions. [2024-11-27 20:04:02,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:04:02,676 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2024-11-27 20:04:02,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:02,678 INFO L225 Difference]: With dead ends: 630 [2024-11-27 20:04:02,678 INFO L226 Difference]: Without dead ends: 394 [2024-11-27 20:04:02,679 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 44.2s TimeCoverageRelationStatistics Valid=146, Invalid=607, Unknown=3, NotChecked=0, Total=756 [2024-11-27 20:04:02,680 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 153 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:02,680 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 373 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-27 20:04:02,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-27 20:04:02,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 352. [2024-11-27 20:04:02,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 299 states have (on average 1.2909698996655519) internal successors, (386), 299 states have internal predecessors, (386), 36 states have call successors, (36), 16 states have call predecessors, (36), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 20:04:02,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 458 transitions. [2024-11-27 20:04:02,861 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 458 transitions. Word has length 147 [2024-11-27 20:04:02,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:02,861 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 458 transitions. [2024-11-27 20:04:02,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 20:04:02,862 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 458 transitions. [2024-11-27 20:04:02,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-27 20:04:02,863 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:02,863 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:04:02,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-27 20:04:03,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:04:03,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:04:03,264 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:04:03,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:03,265 INFO L85 PathProgramCache]: Analyzing trace with hash 205210215, now seen corresponding path program 1 times [2024-11-27 20:04:03,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:04:03,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1133749100] [2024-11-27 20:04:03,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:03,266 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 20:04:03,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:04:03,267 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:04:03,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:04:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:03,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:04:03,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:03,892 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 20:04:03,892 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:04:03,893 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:04:03,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1133749100] [2024-11-27 20:04:03,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1133749100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:03,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:03,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:04:03,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056484994] [2024-11-27 20:04:03,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:03,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:04:03,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:04:03,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:04:03,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:04:03,895 INFO L87 Difference]: Start difference. First operand 352 states and 458 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 20:04:05,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:05,286 INFO L93 Difference]: Finished difference Result 641 states and 840 transitions. [2024-11-27 20:04:05,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:04:05,287 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2024-11-27 20:04:05,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:05,289 INFO L225 Difference]: With dead ends: 641 [2024-11-27 20:04:05,289 INFO L226 Difference]: Without dead ends: 405 [2024-11-27 20:04:05,290 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:04:05,290 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 33 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:05,290 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 369 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-27 20:04:05,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-27 20:04:05,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 377. [2024-11-27 20:04:05,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 324 states have (on average 1.2808641975308641) internal successors, (415), 324 states have internal predecessors, (415), 36 states have call successors, (36), 16 states have call predecessors, (36), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 20:04:05,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 487 transitions. [2024-11-27 20:04:05,473 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 487 transitions. Word has length 147 [2024-11-27 20:04:05,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:05,474 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 487 transitions. [2024-11-27 20:04:05,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 20:04:05,474 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 487 transitions. [2024-11-27 20:04:05,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-27 20:04:05,475 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:05,476 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:04:05,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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)] Ended with exit code 0 [2024-11-27 20:04:05,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:04:05,676 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:04:05,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:05,677 INFO L85 PathProgramCache]: Analyzing trace with hash -2144036769, now seen corresponding path program 1 times [2024-11-27 20:04:05,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:04:05,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [95385823] [2024-11-27 20:04:05,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:05,677 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 20:04:05,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:04:05,679 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:04:05,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:04:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:06,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-27 20:04:06,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:12,065 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 20:04:12,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2024-11-27 20:04:12,990 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 20:04:13,186 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-27 20:04:13,186 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:04:13,186 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:04:13,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [95385823] [2024-11-27 20:04:13,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [95385823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:13,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:13,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:04:13,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3039892] [2024-11-27 20:04:13,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:13,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:04:13,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:04:13,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:04:13,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:04:13,188 INFO L87 Difference]: Start difference. First operand 377 states and 487 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 20:04:15,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:15,258 INFO L93 Difference]: Finished difference Result 382 states and 492 transitions. [2024-11-27 20:04:15,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:04:15,259 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 147 [2024-11-27 20:04:15,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:15,261 INFO L225 Difference]: With dead ends: 382 [2024-11-27 20:04:15,262 INFO L226 Difference]: Without dead ends: 380 [2024-11-27 20:04:15,262 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:04:15,262 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 162 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:15,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 414 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-27 20:04:15,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-27 20:04:15,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2024-11-27 20:04:15,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 327 states have (on average 1.2782874617737003) internal successors, (418), 327 states have internal predecessors, (418), 36 states have call successors, (36), 16 states have call predecessors, (36), 16 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 20:04:15,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 490 transitions. [2024-11-27 20:04:15,436 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 490 transitions. Word has length 147 [2024-11-27 20:04:15,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:15,437 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 490 transitions. [2024-11-27 20:04:15,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-27 20:04:15,437 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 490 transitions. [2024-11-27 20:04:15,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-27 20:04:15,439 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:15,439 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:04:15,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:04:15,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:04:15,640 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:04:15,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:15,641 INFO L85 PathProgramCache]: Analyzing trace with hash -2142189727, now seen corresponding path program 1 times [2024-11-27 20:04:15,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:04:15,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886139472] [2024-11-27 20:04:15,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:15,642 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 20:04:15,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:04:15,644 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:04:15,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3cadf2b-e3a5-4336-8cdd-d3f7ef863f49/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 20:04:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:16,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-27 20:04:16,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:30,311 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 8 treesize of output 1 [2024-11-27 20:04:33,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 20:04:36,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 20:04:42,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 72 treesize of output 54 [2024-11-27 20:04:42,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 80 [2024-11-27 20:04:42,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 15 [2024-11-27 20:04:45,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 97 [2024-11-27 20:04:46,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 100 [2024-11-27 20:04:47,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 100