./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-84.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_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e5c5150a720fdced1e7cf7a03c2f6f18e193ebaeb85e2a46b50fbe0597998c07 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:34:56,082 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:34:56,132 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 14:34:56,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:34:56,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:34:56,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:34:56,156 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:34:56,156 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:34:56,156 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:34:56,156 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:34:56,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:34:56,156 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:34:56,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:34:56,157 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:34:56,157 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:34:56,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:34:56,157 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:34:56,157 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:34:56,157 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:34:56,157 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:34:56,158 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:34:56,158 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:34:56,158 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:34:56,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:34:56,158 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:34:56,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:34:56,158 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:34:56,158 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:34:56,158 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:34:56,158 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:34:56,158 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:34:56,159 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:34:56,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:34:56,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:34:56,159 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:34:56,159 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:34:56,159 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:34:56,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:34:56,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:34:56,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:34:56,159 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:34:56,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:34:56,160 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:34:56,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:34:56,160 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:34:56,160 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:34:56,160 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:34:56,160 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:34:56,160 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_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5c5150a720fdced1e7cf7a03c2f6f18e193ebaeb85e2a46b50fbe0597998c07 [2024-12-02 14:34:56,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:34:56,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:34:56,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:34:56,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:34:56,364 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:34:56,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-84.i [2024-12-02 14:34:58,941 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/data/b0a2d1f98/b86ac7b435394d6983c4fa632f57d43c/FLAGb6eac1ae3 [2024-12-02 14:34:59,175 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:34:59,175 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-84.i [2024-12-02 14:34:59,183 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/data/b0a2d1f98/b86ac7b435394d6983c4fa632f57d43c/FLAGb6eac1ae3 [2024-12-02 14:34:59,536 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/data/b0a2d1f98/b86ac7b435394d6983c4fa632f57d43c [2024-12-02 14:34:59,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:34:59,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:34:59,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:34:59,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:34:59,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:34:59,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:34:59" (1/1) ... [2024-12-02 14:34:59,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21fe2b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:59, skipping insertion in model container [2024-12-02 14:34:59,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:34:59" (1/1) ... [2024-12-02 14:34:59,559 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:34:59,666 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_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-84.i[916,929] [2024-12-02 14:34:59,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:34:59,729 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:34:59,738 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_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-84.i[916,929] [2024-12-02 14:34:59,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:34:59,783 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:34:59,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:59 WrapperNode [2024-12-02 14:34:59,784 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:34:59,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:34:59,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:34:59,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:34:59,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:59" (1/1) ... [2024-12-02 14:34:59,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:59" (1/1) ... [2024-12-02 14:34:59,831 INFO L138 Inliner]: procedures = 29, calls = 168, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 464 [2024-12-02 14:34:59,831 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:34:59,832 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:34:59,832 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:34:59,832 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:34:59,838 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:59" (1/1) ... [2024-12-02 14:34:59,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:59" (1/1) ... [2024-12-02 14:34:59,842 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:59" (1/1) ... [2024-12-02 14:34:59,859 INFO L175 MemorySlicer]: Split 122 memory accesses to 16 slices as follows [2, 7, 10, 14, 16, 8, 4, 6, 8, 4, 8, 9, 6, 9, 3, 8]. 13 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 17 writes are split as follows [0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1]. [2024-12-02 14:34:59,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:59" (1/1) ... [2024-12-02 14:34:59,860 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:59" (1/1) ... [2024-12-02 14:34:59,876 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:59" (1/1) ... [2024-12-02 14:34:59,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:59" (1/1) ... [2024-12-02 14:34:59,881 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:59" (1/1) ... [2024-12-02 14:34:59,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:59" (1/1) ... [2024-12-02 14:34:59,888 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:59" (1/1) ... [2024-12-02 14:34:59,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:34:59,895 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:34:59,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:34:59,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:34:59,896 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:59" (1/1) ... [2024-12-02 14:34:59,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:34:59,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:34:59,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:34:59,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:34:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:34:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 14:34:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 14:34:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 14:34:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 14:34:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 14:34:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-12-02 14:34:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-12-02 14:34:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-12-02 14:34:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-12-02 14:34:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-12-02 14:34:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-12-02 14:34:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-12-02 14:34:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-12-02 14:34:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-12-02 14:34:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-12-02 14:34:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-12-02 14:34:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 14:34:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 14:34:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 14:34:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 14:34:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 14:34:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 14:34:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 14:34:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 14:34:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 14:34:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 14:34:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 14:34:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 14:34:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 14:34:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 14:34:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 14:34:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 14:34:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 14:34:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 14:34:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 14:34:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 14:34:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 14:34:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-12-02 14:34:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-12-02 14:34:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-12-02 14:34:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-12-02 14:34:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-12-02 14:34:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-12-02 14:34:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-12-02 14:34:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-12-02 14:34:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-12-02 14:34:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-12-02 14:34:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-12-02 14:34:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 14:34:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 14:34:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 14:34:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 14:34:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 14:34:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 14:34:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 14:34:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 14:34:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 14:34:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 14:34:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 14:34:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 14:34:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 14:34:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 14:34:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 14:34:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 14:34:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 14:34:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 14:34:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 14:34:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 14:34:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 14:34:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-12-02 14:34:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-12-02 14:34:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-12-02 14:34:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-12-02 14:34:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-12-02 14:34:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-12-02 14:34:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-12-02 14:34:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-12-02 14:34:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-12-02 14:34:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-12-02 14:34:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#15 [2024-12-02 14:34:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:34:59,955 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:34:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:34:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 14:34:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 14:34:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 14:34:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 14:34:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 14:34:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 14:34:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 14:34:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 14:34:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 14:34:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 14:34:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 14:34:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 14:34:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 14:34:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 14:34:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 14:34:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:34:59,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:35:00,129 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:35:00,130 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:35:00,592 INFO L? ?]: Removed 98 outVars from TransFormulas that were not future-live. [2024-12-02 14:35:00,592 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:35:00,603 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:35:00,603 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:35:00,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:35:00 BoogieIcfgContainer [2024-12-02 14:35:00,603 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:35:00,605 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:35:00,605 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:35:00,609 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:35:00,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:34:59" (1/3) ... [2024-12-02 14:35:00,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a3a5e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:35:00, skipping insertion in model container [2024-12-02 14:35:00,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:34:59" (2/3) ... [2024-12-02 14:35:00,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a3a5e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:35:00, skipping insertion in model container [2024-12-02 14:35:00,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:35:00" (3/3) ... [2024-12-02 14:35:00,610 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-84.i [2024-12-02 14:35:00,623 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:35:00,624 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-84.i that has 2 procedures, 103 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:35:00,679 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:35:00,690 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;@10263976, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:35:00,691 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:35:00,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 80 states have (on average 1.35) internal successors, (108), 81 states have internal predecessors, (108), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 14:35:00,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 14:35:00,706 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:00,706 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:00,707 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:00,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:00,712 INFO L85 PathProgramCache]: Analyzing trace with hash 557809999, now seen corresponding path program 1 times [2024-12-02 14:35:00,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:00,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595790364] [2024-12-02 14:35:00,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:00,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:01,001 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-12-02 14:35:01,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:01,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595790364] [2024-12-02 14:35:01,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595790364] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:35:01,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128486603] [2024-12-02 14:35:01,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:01,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:35:01,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:35:01,005 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:35:01,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:35:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:01,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:35:01,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:35:01,346 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-12-02 14:35:01,346 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:35:01,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128486603] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:01,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:35:01,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 14:35:01,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977127190] [2024-12-02 14:35:01,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:01,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:35:01,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:01,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:35:01,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:35:01,368 INFO L87 Difference]: Start difference. First operand has 103 states, 80 states have (on average 1.35) internal successors, (108), 81 states have internal predecessors, (108), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 14:35:01,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:01,393 INFO L93 Difference]: Finished difference Result 199 states and 310 transitions. [2024-12-02 14:35:01,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:35:01,395 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 150 [2024-12-02 14:35:01,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:01,400 INFO L225 Difference]: With dead ends: 199 [2024-12-02 14:35:01,400 INFO L226 Difference]: Without dead ends: 99 [2024-12-02 14:35:01,403 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:35:01,405 INFO L435 NwaCegarLoop]: 141 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, 141 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:01,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:35:01,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-12-02 14:35:01,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-12-02 14:35:01,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 77 states have (on average 1.3116883116883118) internal successors, (101), 77 states have internal predecessors, (101), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 14:35:01,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2024-12-02 14:35:01,440 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 150 [2024-12-02 14:35:01,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:01,440 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2024-12-02 14:35:01,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 14:35:01,441 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2024-12-02 14:35:01,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 14:35:01,443 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:01,444 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:01,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:35:01,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:35:01,644 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:01,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:01,645 INFO L85 PathProgramCache]: Analyzing trace with hash 665716147, now seen corresponding path program 1 times [2024-12-02 14:35:01,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:01,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208826977] [2024-12-02 14:35:01,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:01,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:01,951 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:01,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:01,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208826977] [2024-12-02 14:35:01,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208826977] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:01,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:01,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:35:01,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704010581] [2024-12-02 14:35:01,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:01,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:35:01,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:01,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:35:01,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:35:01,954 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:01,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:01,994 INFO L93 Difference]: Finished difference Result 198 states and 283 transitions. [2024-12-02 14:35:01,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:35:01,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 150 [2024-12-02 14:35:01,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:01,997 INFO L225 Difference]: With dead ends: 198 [2024-12-02 14:35:01,997 INFO L226 Difference]: Without dead ends: 102 [2024-12-02 14:35:01,998 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 [2024-12-02 14:35:01,998 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 1 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 405 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 [2024-12-02 14:35:01,999 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 405 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:35:01,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-12-02 14:35:02,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 101. [2024-12-02 14:35:02,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 79 states have (on average 1.3037974683544304) internal successors, (103), 79 states have internal predecessors, (103), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 14:35:02,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 143 transitions. [2024-12-02 14:35:02,010 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 143 transitions. Word has length 150 [2024-12-02 14:35:02,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:02,011 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 143 transitions. [2024-12-02 14:35:02,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:02,011 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2024-12-02 14:35:02,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 14:35:02,013 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:02,014 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:02,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:35:02,014 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:02,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:02,014 INFO L85 PathProgramCache]: Analyzing trace with hash 667563189, now seen corresponding path program 1 times [2024-12-02 14:35:02,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:02,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298750535] [2024-12-02 14:35:02,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:02,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:02,333 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:02,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:02,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298750535] [2024-12-02 14:35:02,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298750535] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:02,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:02,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:35:02,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903733287] [2024-12-02 14:35:02,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:02,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:35:02,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:02,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:35:02,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:35:02,335 INFO L87 Difference]: Start difference. First operand 101 states and 143 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:02,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:02,570 INFO L93 Difference]: Finished difference Result 324 states and 459 transitions. [2024-12-02 14:35:02,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:35:02,570 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 150 [2024-12-02 14:35:02,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:02,573 INFO L225 Difference]: With dead ends: 324 [2024-12-02 14:35:02,573 INFO L226 Difference]: Without dead ends: 226 [2024-12-02 14:35:02,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:35:02,574 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 209 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:02,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 483 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:35:02,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-12-02 14:35:02,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 199. [2024-12-02 14:35:02,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 156 states have (on average 1.294871794871795) internal successors, (202), 156 states have internal predecessors, (202), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 14:35:02,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 282 transitions. [2024-12-02 14:35:02,600 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 282 transitions. Word has length 150 [2024-12-02 14:35:02,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:02,601 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 282 transitions. [2024-12-02 14:35:02,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:02,601 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 282 transitions. [2024-12-02 14:35:02,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 14:35:02,604 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:02,604 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:02,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:35:02,604 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:02,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:02,605 INFO L85 PathProgramCache]: Analyzing trace with hash -329940525, now seen corresponding path program 1 times [2024-12-02 14:35:02,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:02,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292468968] [2024-12-02 14:35:02,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:02,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:03,721 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:03,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:03,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292468968] [2024-12-02 14:35:03,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292468968] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:03,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:03,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 14:35:03,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206265577] [2024-12-02 14:35:03,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:03,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 14:35:03,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:03,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 14:35:03,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:35:03,724 INFO L87 Difference]: Start difference. First operand 199 states and 282 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:04,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:04,001 INFO L93 Difference]: Finished difference Result 485 states and 685 transitions. [2024-12-02 14:35:04,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 14:35:04,002 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 158 [2024-12-02 14:35:04,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:04,004 INFO L225 Difference]: With dead ends: 485 [2024-12-02 14:35:04,004 INFO L226 Difference]: Without dead ends: 289 [2024-12-02 14:35:04,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:35:04,006 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 61 mSDsluCounter, 885 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:04,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1037 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:35:04,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-12-02 14:35:04,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 233. [2024-12-02 14:35:04,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 190 states have (on average 1.3105263157894738) internal successors, (249), 190 states have internal predecessors, (249), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 14:35:04,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 329 transitions. [2024-12-02 14:35:04,032 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 329 transitions. Word has length 158 [2024-12-02 14:35:04,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:04,033 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 329 transitions. [2024-12-02 14:35:04,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:04,033 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 329 transitions. [2024-12-02 14:35:04,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 14:35:04,035 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:04,035 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:04,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 14:35:04,036 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:04,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:04,036 INFO L85 PathProgramCache]: Analyzing trace with hash 634758488, now seen corresponding path program 1 times [2024-12-02 14:35:04,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:04,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224199227] [2024-12-02 14:35:04,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:04,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:04,755 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:04,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:04,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224199227] [2024-12-02 14:35:04,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224199227] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:04,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:04,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 14:35:04,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835529090] [2024-12-02 14:35:04,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:04,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:35:04,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:04,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:35:04,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:35:04,757 INFO L87 Difference]: Start difference. First operand 233 states and 329 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:04,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:04,963 INFO L93 Difference]: Finished difference Result 575 states and 807 transitions. [2024-12-02 14:35:04,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 14:35:04,964 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-12-02 14:35:04,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:04,967 INFO L225 Difference]: With dead ends: 575 [2024-12-02 14:35:04,968 INFO L226 Difference]: Without dead ends: 345 [2024-12-02 14:35:04,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:35:04,969 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 61 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:04,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 837 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:35:04,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-12-02 14:35:04,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 341. [2024-12-02 14:35:04,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 292 states have (on average 1.3287671232876712) internal successors, (388), 294 states have internal predecessors, (388), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 14:35:04,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 476 transitions. [2024-12-02 14:35:04,995 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 476 transitions. Word has length 160 [2024-12-02 14:35:04,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:04,996 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 476 transitions. [2024-12-02 14:35:04,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:04,996 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 476 transitions. [2024-12-02 14:35:04,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 14:35:04,997 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:04,997 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:04,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 14:35:04,997 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:04,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:04,998 INFO L85 PathProgramCache]: Analyzing trace with hash -386309866, now seen corresponding path program 1 times [2024-12-02 14:35:04,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:04,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758190845] [2024-12-02 14:35:04,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:04,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:05,751 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:05,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:05,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758190845] [2024-12-02 14:35:05,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758190845] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:05,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:05,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 14:35:05,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622530527] [2024-12-02 14:35:05,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:05,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:35:05,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:05,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:35:05,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:35:05,754 INFO L87 Difference]: Start difference. First operand 341 states and 476 transitions. Second operand has 9 states, 8 states have (on average 7.875) internal successors, (63), 9 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-12-02 14:35:06,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:06,354 INFO L93 Difference]: Finished difference Result 688 states and 956 transitions. [2024-12-02 14:35:06,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 14:35:06,354 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 9 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2024-12-02 14:35:06,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:06,358 INFO L225 Difference]: With dead ends: 688 [2024-12-02 14:35:06,358 INFO L226 Difference]: Without dead ends: 350 [2024-12-02 14:35:06,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-12-02 14:35:06,360 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 283 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:06,360 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 738 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 14:35:06,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-12-02 14:35:06,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 337. [2024-12-02 14:35:06,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 288 states have (on average 1.3194444444444444) internal successors, (380), 290 states have internal predecessors, (380), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 14:35:06,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 468 transitions. [2024-12-02 14:35:06,396 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 468 transitions. Word has length 160 [2024-12-02 14:35:06,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:06,397 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 468 transitions. [2024-12-02 14:35:06,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 9 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-12-02 14:35:06,397 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 468 transitions. [2024-12-02 14:35:06,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 14:35:06,399 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:06,399 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:06,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 14:35:06,399 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:06,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:06,400 INFO L85 PathProgramCache]: Analyzing trace with hash -383894516, now seen corresponding path program 1 times [2024-12-02 14:35:06,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:06,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589375264] [2024-12-02 14:35:06,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:06,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:06,673 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 14:35:06,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:06,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589375264] [2024-12-02 14:35:06,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589375264] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:35:06,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288466705] [2024-12-02 14:35:06,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:06,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:35:06,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:35:06,676 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:35:06,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 14:35:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:06,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 14:35:06,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:35:06,997 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:06,997 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:35:06,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288466705] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:06,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:35:06,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-12-02 14:35:06,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194658155] [2024-12-02 14:35:06,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:06,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:35:06,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:06,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:35:06,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:35:06,999 INFO L87 Difference]: Start difference. First operand 337 states and 468 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:07,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:07,051 INFO L93 Difference]: Finished difference Result 683 states and 949 transitions. [2024-12-02 14:35:07,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:35:07,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-12-02 14:35:07,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:07,054 INFO L225 Difference]: With dead ends: 683 [2024-12-02 14:35:07,054 INFO L226 Difference]: Without dead ends: 349 [2024-12-02 14:35:07,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:35:07,056 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:07,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 535 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:35:07,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-12-02 14:35:07,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2024-12-02 14:35:07,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 300 states have (on average 1.3066666666666666) internal successors, (392), 302 states have internal predecessors, (392), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 14:35:07,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 480 transitions. [2024-12-02 14:35:07,096 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 480 transitions. Word has length 160 [2024-12-02 14:35:07,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:07,096 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 480 transitions. [2024-12-02 14:35:07,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:07,096 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 480 transitions. [2024-12-02 14:35:07,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 14:35:07,098 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:07,098 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:07,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 14:35:07,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:35:07,299 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:07,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:07,299 INFO L85 PathProgramCache]: Analyzing trace with hash -642059954, now seen corresponding path program 1 times [2024-12-02 14:35:07,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:07,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055975075] [2024-12-02 14:35:07,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:07,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:08,062 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:08,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:08,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055975075] [2024-12-02 14:35:08,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055975075] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:08,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:08,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:35:08,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566495522] [2024-12-02 14:35:08,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:08,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:35:08,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:08,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:35:08,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:35:08,064 INFO L87 Difference]: Start difference. First operand 349 states and 480 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:08,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:08,224 INFO L93 Difference]: Finished difference Result 935 states and 1277 transitions. [2024-12-02 14:35:08,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:35:08,225 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-12-02 14:35:08,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:08,228 INFO L225 Difference]: With dead ends: 935 [2024-12-02 14:35:08,229 INFO L226 Difference]: Without dead ends: 589 [2024-12-02 14:35:08,230 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:35:08,230 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 56 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:08,230 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 678 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:35:08,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-12-02 14:35:08,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 573. [2024-12-02 14:35:08,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 508 states have (on average 1.3169291338582678) internal successors, (669), 514 states have internal predecessors, (669), 56 states have call successors, (56), 8 states have call predecessors, (56), 8 states have return successors, (56), 50 states have call predecessors, (56), 56 states have call successors, (56) [2024-12-02 14:35:08,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 781 transitions. [2024-12-02 14:35:08,282 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 781 transitions. Word has length 160 [2024-12-02 14:35:08,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:08,283 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 781 transitions. [2024-12-02 14:35:08,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:08,283 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 781 transitions. [2024-12-02 14:35:08,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 14:35:08,285 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:08,285 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:08,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 14:35:08,286 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:08,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:08,286 INFO L85 PathProgramCache]: Analyzing trace with hash -2082808520, now seen corresponding path program 1 times [2024-12-02 14:35:08,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:08,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983849536] [2024-12-02 14:35:08,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:08,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:08,772 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:08,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:08,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983849536] [2024-12-02 14:35:08,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983849536] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:08,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:08,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 14:35:08,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793699996] [2024-12-02 14:35:08,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:08,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:35:08,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:08,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:35:08,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:35:08,773 INFO L87 Difference]: Start difference. First operand 573 states and 781 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:08,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:08,968 INFO L93 Difference]: Finished difference Result 1365 states and 1852 transitions. [2024-12-02 14:35:08,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 14:35:08,968 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-12-02 14:35:08,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:08,973 INFO L225 Difference]: With dead ends: 1365 [2024-12-02 14:35:08,973 INFO L226 Difference]: Without dead ends: 795 [2024-12-02 14:35:08,974 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:35:08,975 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 58 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:08,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 781 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:35:08,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2024-12-02 14:35:09,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 643. [2024-12-02 14:35:09,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 578 states have (on average 1.320069204152249) internal successors, (763), 584 states have internal predecessors, (763), 56 states have call successors, (56), 8 states have call predecessors, (56), 8 states have return successors, (56), 50 states have call predecessors, (56), 56 states have call successors, (56) [2024-12-02 14:35:09,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 875 transitions. [2024-12-02 14:35:09,046 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 875 transitions. Word has length 160 [2024-12-02 14:35:09,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:09,047 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 875 transitions. [2024-12-02 14:35:09,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:09,047 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 875 transitions. [2024-12-02 14:35:09,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 14:35:09,050 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:09,050 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:09,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 14:35:09,051 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:09,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:09,051 INFO L85 PathProgramCache]: Analyzing trace with hash 218014070, now seen corresponding path program 1 times [2024-12-02 14:35:09,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:09,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886535435] [2024-12-02 14:35:09,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:09,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:09,646 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:09,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:09,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886535435] [2024-12-02 14:35:09,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886535435] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:09,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:09,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 14:35:09,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864987820] [2024-12-02 14:35:09,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:09,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:35:09,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:09,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:35:09,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:35:09,648 INFO L87 Difference]: Start difference. First operand 643 states and 875 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-12-02 14:35:10,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:10,056 INFO L93 Difference]: Finished difference Result 1290 states and 1750 transitions. [2024-12-02 14:35:10,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:35:10,056 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2024-12-02 14:35:10,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:10,060 INFO L225 Difference]: With dead ends: 1290 [2024-12-02 14:35:10,060 INFO L226 Difference]: Without dead ends: 650 [2024-12-02 14:35:10,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:35:10,062 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 381 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:10,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 469 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:35:10,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2024-12-02 14:35:10,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 635. [2024-12-02 14:35:10,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 570 states have (on average 1.3105263157894738) internal successors, (747), 576 states have internal predecessors, (747), 56 states have call successors, (56), 8 states have call predecessors, (56), 8 states have return successors, (56), 50 states have call predecessors, (56), 56 states have call successors, (56) [2024-12-02 14:35:10,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 859 transitions. [2024-12-02 14:35:10,107 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 859 transitions. Word has length 160 [2024-12-02 14:35:10,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:10,107 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 859 transitions. [2024-12-02 14:35:10,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-12-02 14:35:10,107 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 859 transitions. [2024-12-02 14:35:10,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 14:35:10,109 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:10,109 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:10,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 14:35:10,110 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:10,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:10,110 INFO L85 PathProgramCache]: Analyzing trace with hash -501511344, now seen corresponding path program 1 times [2024-12-02 14:35:10,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:10,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337283157] [2024-12-02 14:35:10,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:10,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:10,329 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:10,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:10,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337283157] [2024-12-02 14:35:10,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337283157] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:10,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:10,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:35:10,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253734018] [2024-12-02 14:35:10,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:10,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:35:10,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:10,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:35:10,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:35:10,331 INFO L87 Difference]: Start difference. First operand 635 states and 859 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:10,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:10,444 INFO L93 Difference]: Finished difference Result 1304 states and 1760 transitions. [2024-12-02 14:35:10,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:35:10,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-12-02 14:35:10,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:10,448 INFO L225 Difference]: With dead ends: 1304 [2024-12-02 14:35:10,448 INFO L226 Difference]: Without dead ends: 672 [2024-12-02 14:35:10,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:35:10,450 INFO L435 NwaCegarLoop]: 214 mSDtfsCounter, 66 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:10,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 743 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:35:10,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2024-12-02 14:35:10,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 668. [2024-12-02 14:35:10,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 588 states have (on average 1.2942176870748299) internal successors, (761), 595 states have internal predecessors, (761), 68 states have call successors, (68), 11 states have call predecessors, (68), 11 states have return successors, (68), 61 states have call predecessors, (68), 68 states have call successors, (68) [2024-12-02 14:35:10,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 897 transitions. [2024-12-02 14:35:10,498 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 897 transitions. Word has length 160 [2024-12-02 14:35:10,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:10,498 INFO L471 AbstractCegarLoop]: Abstraction has 668 states and 897 transitions. [2024-12-02 14:35:10,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:10,498 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 897 transitions. [2024-12-02 14:35:10,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 14:35:10,501 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:10,501 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:10,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 14:35:10,501 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:10,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:10,502 INFO L85 PathProgramCache]: Analyzing trace with hash 657390742, now seen corresponding path program 1 times [2024-12-02 14:35:10,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:10,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988481982] [2024-12-02 14:35:10,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:10,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:10,983 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:10,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:10,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988481982] [2024-12-02 14:35:10,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988481982] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:10,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:10,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 14:35:10,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115816322] [2024-12-02 14:35:10,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:10,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 14:35:10,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:10,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 14:35:10,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:35:10,985 INFO L87 Difference]: Start difference. First operand 668 states and 897 transitions. Second operand has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-12-02 14:35:11,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:11,460 INFO L93 Difference]: Finished difference Result 1630 states and 2181 transitions. [2024-12-02 14:35:11,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 14:35:11,461 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2024-12-02 14:35:11,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:11,465 INFO L225 Difference]: With dead ends: 1630 [2024-12-02 14:35:11,465 INFO L226 Difference]: Without dead ends: 978 [2024-12-02 14:35:11,466 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-12-02 14:35:11,467 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 318 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:11,467 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 771 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:35:11,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2024-12-02 14:35:11,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 614. [2024-12-02 14:35:11,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 538 states have (on average 1.295539033457249) internal successors, (697), 543 states have internal predecessors, (697), 64 states have call successors, (64), 11 states have call predecessors, (64), 11 states have return successors, (64), 59 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 14:35:11,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 825 transitions. [2024-12-02 14:35:11,496 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 825 transitions. Word has length 160 [2024-12-02 14:35:11,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:11,496 INFO L471 AbstractCegarLoop]: Abstraction has 614 states and 825 transitions. [2024-12-02 14:35:11,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-12-02 14:35:11,496 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 825 transitions. [2024-12-02 14:35:11,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 14:35:11,498 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:11,498 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:11,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 14:35:11,498 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:11,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:11,498 INFO L85 PathProgramCache]: Analyzing trace with hash -363677612, now seen corresponding path program 1 times [2024-12-02 14:35:11,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:11,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302190065] [2024-12-02 14:35:11,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:11,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:11,875 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:11,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:11,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302190065] [2024-12-02 14:35:11,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302190065] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:11,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:11,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 14:35:11,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608194497] [2024-12-02 14:35:11,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:11,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:35:11,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:11,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:35:11,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:35:11,877 INFO L87 Difference]: Start difference. First operand 614 states and 825 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-12-02 14:35:12,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:12,276 INFO L93 Difference]: Finished difference Result 1374 states and 1834 transitions. [2024-12-02 14:35:12,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:35:12,277 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2024-12-02 14:35:12,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:12,281 INFO L225 Difference]: With dead ends: 1374 [2024-12-02 14:35:12,281 INFO L226 Difference]: Without dead ends: 776 [2024-12-02 14:35:12,282 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:35:12,283 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 218 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:12,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 538 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:35:12,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2024-12-02 14:35:12,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 614. [2024-12-02 14:35:12,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 538 states have (on average 1.29182156133829) internal successors, (695), 543 states have internal predecessors, (695), 64 states have call successors, (64), 11 states have call predecessors, (64), 11 states have return successors, (64), 59 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 14:35:12,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 823 transitions. [2024-12-02 14:35:12,332 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 823 transitions. Word has length 160 [2024-12-02 14:35:12,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:12,333 INFO L471 AbstractCegarLoop]: Abstraction has 614 states and 823 transitions. [2024-12-02 14:35:12,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-12-02 14:35:12,333 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 823 transitions. [2024-12-02 14:35:12,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 14:35:12,334 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:12,334 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:12,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 14:35:12,335 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:12,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:12,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1559550422, now seen corresponding path program 1 times [2024-12-02 14:35:12,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:12,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858529020] [2024-12-02 14:35:12,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:12,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:12,691 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:12,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:12,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858529020] [2024-12-02 14:35:12,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858529020] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:12,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:12,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:35:12,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877949255] [2024-12-02 14:35:12,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:12,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 14:35:12,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:12,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 14:35:12,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:35:12,692 INFO L87 Difference]: Start difference. First operand 614 states and 823 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:12,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:12,975 INFO L93 Difference]: Finished difference Result 1398 states and 1857 transitions. [2024-12-02 14:35:12,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:35:12,975 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-12-02 14:35:12,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:12,979 INFO L225 Difference]: With dead ends: 1398 [2024-12-02 14:35:12,979 INFO L226 Difference]: Without dead ends: 800 [2024-12-02 14:35:12,981 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:35:12,981 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 62 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:12,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 942 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:35:12,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2024-12-02 14:35:13,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 731. [2024-12-02 14:35:13,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 642 states have (on average 1.2819314641744548) internal successors, (823), 649 states have internal predecessors, (823), 72 states have call successors, (72), 16 states have call predecessors, (72), 16 states have return successors, (72), 65 states have call predecessors, (72), 72 states have call successors, (72) [2024-12-02 14:35:13,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 967 transitions. [2024-12-02 14:35:13,039 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 967 transitions. Word has length 160 [2024-12-02 14:35:13,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:13,040 INFO L471 AbstractCegarLoop]: Abstraction has 731 states and 967 transitions. [2024-12-02 14:35:13,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:13,040 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 967 transitions. [2024-12-02 14:35:13,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 14:35:13,041 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:13,041 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:13,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 14:35:13,042 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:13,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:13,042 INFO L85 PathProgramCache]: Analyzing trace with hash 240646324, now seen corresponding path program 1 times [2024-12-02 14:35:13,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:13,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701608201] [2024-12-02 14:35:13,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:13,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:13,952 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:13,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:13,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701608201] [2024-12-02 14:35:13,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701608201] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:13,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:13,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 14:35:13,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920567607] [2024-12-02 14:35:13,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:13,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 14:35:13,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:13,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 14:35:13,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:35:13,954 INFO L87 Difference]: Start difference. First operand 731 states and 967 transitions. Second operand has 15 states, 13 states have (on average 4.846153846153846) internal successors, (63), 14 states have internal predecessors, (63), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 6 states have call successors, (20) [2024-12-02 14:35:14,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:14,638 INFO L93 Difference]: Finished difference Result 1633 states and 2142 transitions. [2024-12-02 14:35:14,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 14:35:14,639 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 4.846153846153846) internal successors, (63), 14 states have internal predecessors, (63), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 6 states have call successors, (20) Word has length 160 [2024-12-02 14:35:14,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:14,642 INFO L225 Difference]: With dead ends: 1633 [2024-12-02 14:35:14,642 INFO L226 Difference]: Without dead ends: 905 [2024-12-02 14:35:14,643 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2024-12-02 14:35:14,644 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 181 mSDsluCounter, 1024 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:14,644 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 1194 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:35:14,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2024-12-02 14:35:14,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 738. [2024-12-02 14:35:14,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 738 states, 649 states have (on average 1.2727272727272727) internal successors, (826), 656 states have internal predecessors, (826), 72 states have call successors, (72), 16 states have call predecessors, (72), 16 states have return successors, (72), 65 states have call predecessors, (72), 72 states have call successors, (72) [2024-12-02 14:35:14,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 970 transitions. [2024-12-02 14:35:14,699 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 970 transitions. Word has length 160 [2024-12-02 14:35:14,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:14,700 INFO L471 AbstractCegarLoop]: Abstraction has 738 states and 970 transitions. [2024-12-02 14:35:14,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 4.846153846153846) internal successors, (63), 14 states have internal predecessors, (63), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 6 states have call successors, (20) [2024-12-02 14:35:14,700 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 970 transitions. [2024-12-02 14:35:14,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 14:35:14,702 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:14,702 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:14,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 14:35:14,702 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:14,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:14,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1574974333, now seen corresponding path program 1 times [2024-12-02 14:35:14,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:14,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927308948] [2024-12-02 14:35:14,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:14,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:15,431 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:15,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:15,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927308948] [2024-12-02 14:35:15,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927308948] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:15,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:15,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 14:35:15,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008004205] [2024-12-02 14:35:15,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:15,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 14:35:15,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:15,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 14:35:15,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:35:15,433 INFO L87 Difference]: Start difference. First operand 738 states and 970 transitions. Second operand has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:15,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:15,820 INFO L93 Difference]: Finished difference Result 1659 states and 2180 transitions. [2024-12-02 14:35:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 14:35:15,821 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-12-02 14:35:15,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:15,824 INFO L225 Difference]: With dead ends: 1659 [2024-12-02 14:35:15,824 INFO L226 Difference]: Without dead ends: 924 [2024-12-02 14:35:15,826 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-12-02 14:35:15,826 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 57 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 1284 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:15,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 1284 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:35:15,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2024-12-02 14:35:15,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 798. [2024-12-02 14:35:15,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 709 states have (on average 1.2778561354019746) internal successors, (906), 716 states have internal predecessors, (906), 72 states have call successors, (72), 16 states have call predecessors, (72), 16 states have return successors, (72), 65 states have call predecessors, (72), 72 states have call successors, (72) [2024-12-02 14:35:15,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1050 transitions. [2024-12-02 14:35:15,874 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1050 transitions. Word has length 162 [2024-12-02 14:35:15,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:15,874 INFO L471 AbstractCegarLoop]: Abstraction has 798 states and 1050 transitions. [2024-12-02 14:35:15,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:15,874 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1050 transitions. [2024-12-02 14:35:15,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 14:35:15,875 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:15,876 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:15,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 14:35:15,876 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:15,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:15,876 INFO L85 PathProgramCache]: Analyzing trace with hash 295110655, now seen corresponding path program 1 times [2024-12-02 14:35:15,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:15,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101037490] [2024-12-02 14:35:15,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:15,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:16,489 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:16,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:16,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101037490] [2024-12-02 14:35:16,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101037490] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:16,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:16,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 14:35:16,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444559474] [2024-12-02 14:35:16,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:16,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:35:16,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:16,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:35:16,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:35:16,491 INFO L87 Difference]: Start difference. First operand 798 states and 1050 transitions. Second operand has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-12-02 14:35:16,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:16,959 INFO L93 Difference]: Finished difference Result 1744 states and 2284 transitions. [2024-12-02 14:35:16,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 14:35:16,960 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 162 [2024-12-02 14:35:16,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:16,964 INFO L225 Difference]: With dead ends: 1744 [2024-12-02 14:35:16,964 INFO L226 Difference]: Without dead ends: 949 [2024-12-02 14:35:16,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-12-02 14:35:16,966 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 200 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:16,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 650 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:35:16,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2024-12-02 14:35:17,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 801. [2024-12-02 14:35:17,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 712 states have (on average 1.2668539325842696) internal successors, (902), 719 states have internal predecessors, (902), 72 states have call successors, (72), 16 states have call predecessors, (72), 16 states have return successors, (72), 65 states have call predecessors, (72), 72 states have call successors, (72) [2024-12-02 14:35:17,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1046 transitions. [2024-12-02 14:35:17,045 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1046 transitions. Word has length 162 [2024-12-02 14:35:17,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:17,046 INFO L471 AbstractCegarLoop]: Abstraction has 801 states and 1046 transitions. [2024-12-02 14:35:17,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-12-02 14:35:17,046 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1046 transitions. [2024-12-02 14:35:17,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 14:35:17,047 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:17,048 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:17,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 14:35:17,048 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:17,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:17,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1333789569, now seen corresponding path program 1 times [2024-12-02 14:35:17,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:17,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214908001] [2024-12-02 14:35:17,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:17,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:17,558 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:17,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:17,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214908001] [2024-12-02 14:35:17,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214908001] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:17,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:17,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 14:35:17,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268662270] [2024-12-02 14:35:17,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:17,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:35:17,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:17,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:35:17,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:35:17,559 INFO L87 Difference]: Start difference. First operand 801 states and 1046 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-12-02 14:35:17,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:17,847 INFO L93 Difference]: Finished difference Result 1533 states and 2005 transitions. [2024-12-02 14:35:17,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:35:17,848 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 162 [2024-12-02 14:35:17,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:17,850 INFO L225 Difference]: With dead ends: 1533 [2024-12-02 14:35:17,850 INFO L226 Difference]: Without dead ends: 735 [2024-12-02 14:35:17,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:35:17,852 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 131 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:17,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 431 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:35:17,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-12-02 14:35:17,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 735. [2024-12-02 14:35:17,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 646 states have (on average 1.263157894736842) internal successors, (816), 653 states have internal predecessors, (816), 72 states have call successors, (72), 16 states have call predecessors, (72), 16 states have return successors, (72), 65 states have call predecessors, (72), 72 states have call successors, (72) [2024-12-02 14:35:17,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 960 transitions. [2024-12-02 14:35:17,892 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 960 transitions. Word has length 162 [2024-12-02 14:35:17,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:17,892 INFO L471 AbstractCegarLoop]: Abstraction has 735 states and 960 transitions. [2024-12-02 14:35:17,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-12-02 14:35:17,893 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 960 transitions. [2024-12-02 14:35:17,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 14:35:17,893 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:17,894 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:17,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 14:35:17,894 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:17,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:17,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1586754338, now seen corresponding path program 1 times [2024-12-02 14:35:17,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:17,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043292145] [2024-12-02 14:35:17,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:17,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:18,080 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 14:35:18,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:18,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043292145] [2024-12-02 14:35:18,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043292145] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:35:18,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476741940] [2024-12-02 14:35:18,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:18,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:35:18,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:35:18,082 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:35:18,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 14:35:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:18,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 14:35:18,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:35:18,349 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:18,350 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:35:18,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476741940] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:18,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:35:18,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-12-02 14:35:18,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120038759] [2024-12-02 14:35:18,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:18,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:35:18,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:18,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:35:18,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:35:18,351 INFO L87 Difference]: Start difference. First operand 735 states and 960 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:18,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:18,403 INFO L93 Difference]: Finished difference Result 1494 states and 1953 transitions. [2024-12-02 14:35:18,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:35:18,404 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-12-02 14:35:18,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:18,406 INFO L225 Difference]: With dead ends: 1494 [2024-12-02 14:35:18,406 INFO L226 Difference]: Without dead ends: 762 [2024-12-02 14:35:18,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:35:18,407 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:18,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 535 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:35:18,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2024-12-02 14:35:18,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 762. [2024-12-02 14:35:18,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 673 states have (on average 1.2526002971768202) internal successors, (843), 680 states have internal predecessors, (843), 72 states have call successors, (72), 16 states have call predecessors, (72), 16 states have return successors, (72), 65 states have call predecessors, (72), 72 states have call successors, (72) [2024-12-02 14:35:18,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 987 transitions. [2024-12-02 14:35:18,448 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 987 transitions. Word has length 162 [2024-12-02 14:35:18,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:18,449 INFO L471 AbstractCegarLoop]: Abstraction has 762 states and 987 transitions. [2024-12-02 14:35:18,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:18,449 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 987 transitions. [2024-12-02 14:35:18,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 14:35:18,450 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:18,450 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:18,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 14:35:18,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:35:18,650 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:18,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:18,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1241792635, now seen corresponding path program 1 times [2024-12-02 14:35:18,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:18,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026843940] [2024-12-02 14:35:18,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:18,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:19,205 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:19,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:19,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026843940] [2024-12-02 14:35:19,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026843940] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:19,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:19,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 14:35:19,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214398389] [2024-12-02 14:35:19,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:19,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 14:35:19,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:19,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 14:35:19,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:35:19,207 INFO L87 Difference]: Start difference. First operand 762 states and 987 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-12-02 14:35:19,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:19,679 INFO L93 Difference]: Finished difference Result 1663 states and 2146 transitions. [2024-12-02 14:35:19,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:35:19,679 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 162 [2024-12-02 14:35:19,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:19,683 INFO L225 Difference]: With dead ends: 1663 [2024-12-02 14:35:19,683 INFO L226 Difference]: Without dead ends: 904 [2024-12-02 14:35:19,684 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-12-02 14:35:19,685 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 193 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:19,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 809 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:35:19,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2024-12-02 14:35:19,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 762. [2024-12-02 14:35:19,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 673 states have (on average 1.2466567607726597) internal successors, (839), 680 states have internal predecessors, (839), 72 states have call successors, (72), 16 states have call predecessors, (72), 16 states have return successors, (72), 65 states have call predecessors, (72), 72 states have call successors, (72) [2024-12-02 14:35:19,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 983 transitions. [2024-12-02 14:35:19,758 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 983 transitions. Word has length 162 [2024-12-02 14:35:19,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:19,758 INFO L471 AbstractCegarLoop]: Abstraction has 762 states and 983 transitions. [2024-12-02 14:35:19,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-12-02 14:35:19,758 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 983 transitions. [2024-12-02 14:35:19,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 14:35:19,760 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:19,760 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:19,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 14:35:19,760 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:19,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:19,761 INFO L85 PathProgramCache]: Analyzing trace with hash -38071043, now seen corresponding path program 1 times [2024-12-02 14:35:19,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:19,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533576539] [2024-12-02 14:35:19,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:19,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:20,282 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:20,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:20,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533576539] [2024-12-02 14:35:20,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533576539] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:20,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:20,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 14:35:20,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958215260] [2024-12-02 14:35:20,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:20,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 14:35:20,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:20,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 14:35:20,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:35:20,284 INFO L87 Difference]: Start difference. First operand 762 states and 983 transitions. Second operand has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:20,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:20,630 INFO L93 Difference]: Finished difference Result 1631 states and 2102 transitions. [2024-12-02 14:35:20,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 14:35:20,630 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-12-02 14:35:20,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:20,633 INFO L225 Difference]: With dead ends: 1631 [2024-12-02 14:35:20,633 INFO L226 Difference]: Without dead ends: 872 [2024-12-02 14:35:20,634 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2024-12-02 14:35:20,634 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 52 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 1562 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:20,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 1562 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:35:20,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2024-12-02 14:35:20,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 749. [2024-12-02 14:35:20,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 660 states have (on average 1.2454545454545454) internal successors, (822), 667 states have internal predecessors, (822), 72 states have call successors, (72), 16 states have call predecessors, (72), 16 states have return successors, (72), 65 states have call predecessors, (72), 72 states have call successors, (72) [2024-12-02 14:35:20,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 966 transitions. [2024-12-02 14:35:20,674 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 966 transitions. Word has length 162 [2024-12-02 14:35:20,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:20,674 INFO L471 AbstractCegarLoop]: Abstraction has 749 states and 966 transitions. [2024-12-02 14:35:20,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:20,674 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 966 transitions. [2024-12-02 14:35:20,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 14:35:20,675 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:20,675 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:20,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 14:35:20,676 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:20,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:20,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1731578697, now seen corresponding path program 1 times [2024-12-02 14:35:20,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:20,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380314117] [2024-12-02 14:35:20,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:20,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:20,816 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:20,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:35:20,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380314117] [2024-12-02 14:35:20,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380314117] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:20,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:20,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:35:20,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556717105] [2024-12-02 14:35:20,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:20,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:35:20,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:35:20,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:35:20,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:35:20,817 INFO L87 Difference]: Start difference. First operand 749 states and 966 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:20,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:20,917 INFO L93 Difference]: Finished difference Result 1507 states and 1938 transitions. [2024-12-02 14:35:20,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:35:20,917 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 164 [2024-12-02 14:35:20,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:20,921 INFO L225 Difference]: With dead ends: 1507 [2024-12-02 14:35:20,921 INFO L226 Difference]: Without dead ends: 761 [2024-12-02 14:35:20,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:35:20,923 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 68 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:20,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 514 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:35:20,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2024-12-02 14:35:20,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 757. [2024-12-02 14:35:20,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 666 states have (on average 1.2372372372372373) internal successors, (824), 673 states have internal predecessors, (824), 72 states have call successors, (72), 18 states have call predecessors, (72), 18 states have return successors, (72), 65 states have call predecessors, (72), 72 states have call successors, (72) [2024-12-02 14:35:20,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 968 transitions. [2024-12-02 14:35:20,982 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 968 transitions. Word has length 164 [2024-12-02 14:35:20,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:20,982 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 968 transitions. [2024-12-02 14:35:20,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:20,983 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 968 transitions. [2024-12-02 14:35:20,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 14:35:20,983 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:20,983 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:20,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 14:35:20,984 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:20,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:20,984 INFO L85 PathProgramCache]: Analyzing trace with hash -710510343, now seen corresponding path program 1 times [2024-12-02 14:35:20,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:35:20,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679811594] [2024-12-02 14:35:20,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:20,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:35:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:35:21,080 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:35:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:35:21,304 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 14:35:21,304 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 14:35:21,305 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:35:21,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 14:35:21,308 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:21,468 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:35:21,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:35:21 BoogieIcfgContainer [2024-12-02 14:35:21,470 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:35:21,471 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:35:21,471 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:35:21,471 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:35:21,471 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:35:00" (3/4) ... [2024-12-02 14:35:21,473 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 14:35:21,474 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:35:21,474 INFO L158 Benchmark]: Toolchain (without parser) took 21935.64ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 92.7MB in the beginning and 217.0MB in the end (delta: -124.3MB). Peak memory consumption was 186.0MB. Max. memory is 16.1GB. [2024-12-02 14:35:21,474 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:35:21,475 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.48ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.0MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:35:21,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.11ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 73.9MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:35:21,475 INFO L158 Benchmark]: Boogie Preprocessor took 62.27ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 68.2MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:35:21,475 INFO L158 Benchmark]: RCFGBuilder took 708.72ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 78.0MB in the end (delta: -9.9MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2024-12-02 14:35:21,476 INFO L158 Benchmark]: TraceAbstraction took 20865.11ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 77.5MB in the beginning and 217.0MB in the end (delta: -139.6MB). Peak memory consumption was 170.6MB. Max. memory is 16.1GB. [2024-12-02 14:35:21,476 INFO L158 Benchmark]: Witness Printer took 2.94ms. Allocated memory is still 427.8MB. Free memory was 217.0MB in the beginning and 217.0MB in the end (delta: 56.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:35:21,477 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.48ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.0MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.11ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 73.9MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.27ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 68.2MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 708.72ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 78.0MB in the end (delta: -9.9MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * TraceAbstraction took 20865.11ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 77.5MB in the beginning and 217.0MB in the end (delta: -139.6MB). Peak memory consumption was 170.6MB. Max. memory is 16.1GB. * Witness Printer took 2.94ms. Allocated memory is still 427.8MB. Free memory was 217.0MB in the beginning and 217.0MB in the end (delta: 56.8kB). 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 108, overapproximation of someBinaryFLOATComparisonOperation at line 115, overapproximation of someBinaryFLOATComparisonOperation at line 108. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 128; [L22] unsigned char var_1_1 = 128; [L23] unsigned char* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_4 = 25; [L24] unsigned char var_1_4 = 25; [L25] unsigned char* var_1_4_Pointer = &(var_1_4); [L26] unsigned char var_1_5 = 64; [L26] unsigned char var_1_5 = 64; [L27] unsigned char* var_1_5_Pointer = &(var_1_5); [L28] unsigned char var_1_6 = 8; [L28] unsigned char var_1_6 = 8; [L29] unsigned char* var_1_6_Pointer = &(var_1_6); [L30] unsigned char var_1_7 = 0; [L30] unsigned char var_1_7 = 0; [L31] unsigned char* var_1_7_Pointer = &(var_1_7); [L32] unsigned short int var_1_8 = 64; [L32] unsigned short int var_1_8 = 64; [L33] unsigned short int* var_1_8_Pointer = &(var_1_8); [L34] unsigned char var_1_9 = 1; [L34] unsigned char var_1_9 = 1; [L35] unsigned char* var_1_9_Pointer = &(var_1_9); [L36] unsigned short int var_1_10 = 27843; [L36] unsigned short int var_1_10 = 27843; [L37] unsigned short int* var_1_10_Pointer = &(var_1_10); [L38] signed short int var_1_11 = -4; [L38] signed short int var_1_11 = -4; [L39] signed short int* var_1_11_Pointer = &(var_1_11); [L40] unsigned char var_1_13 = 128; [L40] unsigned char var_1_13 = 128; [L41] unsigned char* var_1_13_Pointer = &(var_1_13); [L42] unsigned char var_1_14 = 5; [L42] unsigned char var_1_14 = 5; [L43] unsigned char* var_1_14_Pointer = &(var_1_14); [L44] signed short int var_1_15 = 28020; [L44] signed short int var_1_15 = 28020; [L45] signed short int* var_1_15_Pointer = &(var_1_15); [L46] signed short int var_1_16 = 128; [L46] signed short int var_1_16 = 128; [L47] signed short int* var_1_16_Pointer = &(var_1_16); [L48] float var_1_17 = 10000000000000.926; [L48] float var_1_17 = 10000000000000.926; [L49] float* var_1_17_Pointer = &(var_1_17); [L50] float var_1_18 = 1000000.6; [L50] float var_1_18 = 1000000.6; [L51] float* var_1_18_Pointer = &(var_1_18); [L52] unsigned short int last_1_var_1_8 = 64; [L53] signed short int last_1_var_1_11 = -4; VAL [isInitial=0, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L119] isInitial = 1 [L120] FCALL initially() [L122] CALL updateLastVariables() [L111] EXPR \read(var_1_8) [L111] last_1_var_1_8 = var_1_8 [L112] EXPR \read(var_1_11) [L112] last_1_var_1_11 = var_1_11 [L122] RET updateLastVariables() [L123] CALL updateVariables() [L79] var_1_4 = __VERIFIER_nondet_uchar() [L80] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L80] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L80] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L81] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L81] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L81] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L82] var_1_5 = __VERIFIER_nondet_uchar() [L83] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L83] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L83] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] var_1_6 = __VERIFIER_nondet_uchar() [L86] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] var_1_7 = __VERIFIER_nondet_uchar() [L89] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] var_1_9 = __VERIFIER_nondet_uchar() [L92] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] var_1_10 = __VERIFIER_nondet_ushort() [L95] EXPR \read(var_1_10) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] CALL assume_abort_if_not(var_1_10 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] RET assume_abort_if_not(var_1_10 >= 16383) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] EXPR \read(var_1_10) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] CALL assume_abort_if_not(var_1_10 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] RET assume_abort_if_not(var_1_10 <= 32767) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L97] var_1_13 = __VERIFIER_nondet_uchar() [L98] EXPR \read(var_1_13) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] CALL assume_abort_if_not(var_1_13 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] RET assume_abort_if_not(var_1_13 >= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR \read(var_1_13) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] CALL assume_abort_if_not(var_1_13 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] RET assume_abort_if_not(var_1_13 <= 255) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L100] var_1_14 = __VERIFIER_nondet_uchar() [L101] EXPR \read(var_1_14) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L101] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L101] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] EXPR \read(var_1_14) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L103] EXPR \read(var_1_14) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L103] CALL assume_abort_if_not(var_1_14 != 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L103] RET assume_abort_if_not(var_1_14 != 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] var_1_15 = __VERIFIER_nondet_short() [L105] EXPR \read(var_1_15) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L105] CALL assume_abort_if_not(var_1_15 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L105] RET assume_abort_if_not(var_1_15 >= 16383) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR \read(var_1_15) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] CALL assume_abort_if_not(var_1_15 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] RET assume_abort_if_not(var_1_15 <= 32766) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L107] var_1_18 = __VERIFIER_nondet_float() [L108] EXPR \read(var_1_18) [L108] EXPR var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L108] EXPR var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F [L108] EXPR \read(var_1_18) [L108] EXPR var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L108] EXPR (var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L108] EXPR (var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L108] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L108] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L123] RET updateVariables() [L124] CALL step() [L57] signed long int stepLocal_0 = last_1_var_1_11; VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, stepLocal_0=-4, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L58] COND TRUE stepLocal_0 != last_1_var_1_8 [L59] EXPR \read(*var_1_4_Pointer) [L59] EXPR \read(*var_1_5_Pointer) [L59] EXPR \read(*var_1_6_Pointer) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L59] EXPR (((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer))) [L59] EXPR \read(*var_1_5_Pointer) [L59] EXPR (((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L59] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L59] EXPR (((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer))) [L59] EXPR \read(*var_1_7_Pointer) [L59] EXPR (((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L59] (*(var_1_1_Pointer)) = ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))) [L63] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L63] COND TRUE (*(var_1_9_Pointer)) [L64] EXPR \read(*var_1_10_Pointer) [L64] EXPR \read(*var_1_6_Pointer) [L64] (*(var_1_8_Pointer)) = (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))) [L66] EXPR \read(*var_1_5_Pointer) [L66] EXPR \read(*var_1_10_Pointer) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L66] COND TRUE ! ((*(var_1_5_Pointer)) > (*(var_1_10_Pointer))) [L67] (*(var_1_16_Pointer)) = (32 - 8) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L71] EXPR \read(*var_1_18_Pointer) [L71] (*(var_1_17_Pointer)) = (*(var_1_18_Pointer)) [L72] EXPR \read(*var_1_1_Pointer) [L72] EXPR \read(*var_1_16_Pointer) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L72] COND FALSE !((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) [L124] RET step() [L125] CALL, EXPR property() [L115] EXPR (last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer)))) [L115] EXPR \read(*var_1_1_Pointer) [L115] EXPR \read(*var_1_4_Pointer) [L115] EXPR \read(*var_1_5_Pointer) [L115] EXPR \read(*var_1_6_Pointer) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR (((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer))) [L115] EXPR \read(*var_1_5_Pointer) [L115] EXPR (((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR (((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer))) [L115] EXPR \read(*var_1_7_Pointer) [L115] EXPR (((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR (last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer)))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR ((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR ((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1) [L115] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR (*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1 [L115] EXPR \read(*var_1_8_Pointer) [L115] EXPR \read(*var_1_10_Pointer) [L115] EXPR \read(*var_1_6_Pointer) [L115] EXPR (*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1 VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR ((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR (((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR (((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1) [L115] EXPR \read(*var_1_1_Pointer) [L115] EXPR \read(*var_1_16_Pointer) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR ((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1 [L115] EXPR ((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1 VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR (((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR ((((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1)) && ((! ((*(var_1_5_Pointer)) > (*(var_1_10_Pointer)))) ? ((*(var_1_16_Pointer)) == ((signed short int) (32 - 8))) : ((*(var_1_16_Pointer)) == ((signed short int) ((*(var_1_13_Pointer)) - (*(var_1_4_Pointer)))))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR ((((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1)) && ((! ((*(var_1_5_Pointer)) > (*(var_1_10_Pointer)))) ? ((*(var_1_16_Pointer)) == ((signed short int) (32 - 8))) : ((*(var_1_16_Pointer)) == ((signed short int) ((*(var_1_13_Pointer)) - (*(var_1_4_Pointer)))))) [L115] EXPR \read(*var_1_5_Pointer) [L115] EXPR \read(*var_1_10_Pointer) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR (! ((*(var_1_5_Pointer)) > (*(var_1_10_Pointer)))) ? ((*(var_1_16_Pointer)) == ((signed short int) (32 - 8))) : ((*(var_1_16_Pointer)) == ((signed short int) ((*(var_1_13_Pointer)) - (*(var_1_4_Pointer))))) [L115] EXPR \read(*var_1_16_Pointer) [L115] EXPR (! ((*(var_1_5_Pointer)) > (*(var_1_10_Pointer)))) ? ((*(var_1_16_Pointer)) == ((signed short int) (32 - 8))) : ((*(var_1_16_Pointer)) == ((signed short int) ((*(var_1_13_Pointer)) - (*(var_1_4_Pointer))))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR ((((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1)) && ((! ((*(var_1_5_Pointer)) > (*(var_1_10_Pointer)))) ? ((*(var_1_16_Pointer)) == ((signed short int) (32 - 8))) : ((*(var_1_16_Pointer)) == ((signed short int) ((*(var_1_13_Pointer)) - (*(var_1_4_Pointer)))))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR (((((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1)) && ((! ((*(var_1_5_Pointer)) > (*(var_1_10_Pointer)))) ? ((*(var_1_16_Pointer)) == ((signed short int) (32 - 8))) : ((*(var_1_16_Pointer)) == ((signed short int) ((*(var_1_13_Pointer)) - (*(var_1_4_Pointer))))))) && ((*(var_1_17_Pointer)) == ((float) (*(var_1_18_Pointer)))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR (((((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1)) && ((! ((*(var_1_5_Pointer)) > (*(var_1_10_Pointer)))) ? ((*(var_1_16_Pointer)) == ((signed short int) (32 - 8))) : ((*(var_1_16_Pointer)) == ((signed short int) ((*(var_1_13_Pointer)) - (*(var_1_4_Pointer))))))) && ((*(var_1_17_Pointer)) == ((float) (*(var_1_18_Pointer)))) [L115] EXPR \read(*var_1_17_Pointer) [L115] EXPR \read(*var_1_18_Pointer) [L115] EXPR (((((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1)) && ((! ((*(var_1_5_Pointer)) > (*(var_1_10_Pointer)))) ? ((*(var_1_16_Pointer)) == ((signed short int) (32 - 8))) : ((*(var_1_16_Pointer)) == ((signed short int) ((*(var_1_13_Pointer)) - (*(var_1_4_Pointer))))))) && ((*(var_1_17_Pointer)) == ((float) (*(var_1_18_Pointer)))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115-L116] return (((((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1)) && ((! ((*(var_1_5_Pointer)) > (*(var_1_10_Pointer)))) ? ((*(var_1_16_Pointer)) == ((signed short int) (32 - 8))) : ((*(var_1_16_Pointer)) == ((signed short int) ((*(var_1_13_Pointer)) - (*(var_1_4_Pointer))))))) && ((*(var_1_17_Pointer)) == ((float) (*(var_1_18_Pointer)))) ; [L125] RET, EXPR property() [L125] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.6s, OverallIterations: 23, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2656 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2656 mSDsluCounter, 16077 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12706 mSDsCounter, 212 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4718 IncrementalHoareTripleChecker+Invalid, 4930 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 212 mSolverCounterUnsat, 3371 mSDtfsCounter, 4718 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 752 GetRequests, 546 SyntacticMatches, 0 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=801occurred in iteration=17, InterpolantAutomatonStates: 167, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 22 MinimizatonAttempts, 1593 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 4140 NumberOfCodeBlocks, 4140 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 3951 ConstructedInterpolants, 0 QuantifiedInterpolants, 9983 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1983 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 25 InterpolantComputations, 22 PerfectInterpolantSequences, 18848/19000 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 14:35:21,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e5c5150a720fdced1e7cf7a03c2f6f18e193ebaeb85e2a46b50fbe0597998c07 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:35:23,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:35:23,567 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 14:35:23,573 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:35:23,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:35:23,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:35:23,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:35:23,596 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:35:23,596 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:35:23,596 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:35:23,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:35:23,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:35:23,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:35:23,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:35:23,597 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:35:23,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:35:23,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:35:23,597 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:35:23,597 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:35:23,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:35:23,598 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:35:23,598 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:35:23,598 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:35:23,598 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 14:35:23,598 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 14:35:23,598 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 14:35:23,598 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:35:23,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:35:23,598 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:35:23,598 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:35:23,598 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:35:23,598 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:35:23,599 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:35:23,599 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:35:23,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:35:23,599 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:35:23,599 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:35:23,600 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:35:23,600 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:35:23,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:35:23,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:35:23,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:35:23,600 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:35:23,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:35:23,600 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 14:35:23,600 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 14:35:23,600 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:35:23,600 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:35:23,600 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:35:23,601 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:35:23,601 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_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5c5150a720fdced1e7cf7a03c2f6f18e193ebaeb85e2a46b50fbe0597998c07 [2024-12-02 14:35:23,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:35:23,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:35:23,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:35:23,843 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:35:23,844 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:35:23,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-84.i [2024-12-02 14:35:26,548 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/data/70a152166/3d7f937c2a754a9c986990a438646f6b/FLAG2218cce32 [2024-12-02 14:35:26,728 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:35:26,728 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-84.i [2024-12-02 14:35:26,737 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/data/70a152166/3d7f937c2a754a9c986990a438646f6b/FLAG2218cce32 [2024-12-02 14:35:26,753 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/data/70a152166/3d7f937c2a754a9c986990a438646f6b [2024-12-02 14:35:26,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:35:26,757 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:35:26,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:35:26,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:35:26,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:35:26,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:35:26" (1/1) ... [2024-12-02 14:35:26,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8316ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:26, skipping insertion in model container [2024-12-02 14:35:26,765 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:35:26" (1/1) ... [2024-12-02 14:35:26,783 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:35:26,918 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_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-84.i[916,929] [2024-12-02 14:35:26,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:35:26,994 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:35:27,006 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_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-84.i[916,929] [2024-12-02 14:35:27,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:35:27,057 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:35:27,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:27 WrapperNode [2024-12-02 14:35:27,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:35:27,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:35:27,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:35:27,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:35:27,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:27" (1/1) ... [2024-12-02 14:35:27,078 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:27" (1/1) ... [2024-12-02 14:35:27,107 INFO L138 Inliner]: procedures = 33, calls = 168, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 463 [2024-12-02 14:35:27,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:35:27,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:35:27,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:35:27,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:35:27,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:27" (1/1) ... [2024-12-02 14:35:27,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:27" (1/1) ... [2024-12-02 14:35:27,123 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:27" (1/1) ... [2024-12-02 14:35:27,145 INFO L175 MemorySlicer]: Split 122 memory accesses to 16 slices as follows [2, 7, 10, 14, 16, 8, 4, 6, 8, 4, 8, 9, 6, 9, 3, 8]. 13 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 17 writes are split as follows [0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1]. [2024-12-02 14:35:27,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:27" (1/1) ... [2024-12-02 14:35:27,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:27" (1/1) ... [2024-12-02 14:35:27,166 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:27" (1/1) ... [2024-12-02 14:35:27,167 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:27" (1/1) ... [2024-12-02 14:35:27,171 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:27" (1/1) ... [2024-12-02 14:35:27,177 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:27" (1/1) ... [2024-12-02 14:35:27,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:27" (1/1) ... [2024-12-02 14:35:27,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:35:27,188 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:35:27,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:35:27,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:35:27,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:27" (1/1) ... [2024-12-02 14:35:27,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:35:27,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:35:27,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:35:27,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:35:27,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:35:27,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 14:35:27,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 14:35:27,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 14:35:27,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 14:35:27,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 14:35:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-12-02 14:35:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-12-02 14:35:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-12-02 14:35:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-12-02 14:35:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-12-02 14:35:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-12-02 14:35:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-12-02 14:35:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-12-02 14:35:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2024-12-02 14:35:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2024-12-02 14:35:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2024-12-02 14:35:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-12-02 14:35:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-12-02 14:35:27,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-12-02 14:35:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-12-02 14:35:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-12-02 14:35:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-12-02 14:35:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-12-02 14:35:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-12-02 14:35:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-12-02 14:35:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-12-02 14:35:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-12-02 14:35:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-12-02 14:35:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-12-02 14:35:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#13 [2024-12-02 14:35:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#14 [2024-12-02 14:35:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#15 [2024-12-02 14:35:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 14:35:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 14:35:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 14:35:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 14:35:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 14:35:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-12-02 14:35:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-12-02 14:35:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-12-02 14:35:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-12-02 14:35:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-12-02 14:35:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-12-02 14:35:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-12-02 14:35:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-12-02 14:35:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-12-02 14:35:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-12-02 14:35:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-12-02 14:35:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 14:35:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 14:35:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-12-02 14:35:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-12-02 14:35:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-12-02 14:35:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-12-02 14:35:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-12-02 14:35:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-12-02 14:35:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-12-02 14:35:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-12-02 14:35:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-12-02 14:35:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-12-02 14:35:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-12-02 14:35:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-12-02 14:35:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-12-02 14:35:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-12-02 14:35:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 14:35:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 14:35:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-12-02 14:35:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-12-02 14:35:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-12-02 14:35:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-12-02 14:35:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-12-02 14:35:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-12-02 14:35:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-12-02 14:35:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-12-02 14:35:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-12-02 14:35:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-12-02 14:35:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-12-02 14:35:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#13 [2024-12-02 14:35:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#14 [2024-12-02 14:35:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#15 [2024-12-02 14:35:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 14:35:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 14:35:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-12-02 14:35:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-12-02 14:35:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-12-02 14:35:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-12-02 14:35:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-12-02 14:35:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-12-02 14:35:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-12-02 14:35:27,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-12-02 14:35:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-12-02 14:35:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-12-02 14:35:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-12-02 14:35:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-12-02 14:35:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-12-02 14:35:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-12-02 14:35:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-12-02 14:35:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-12-02 14:35:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-12-02 14:35:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-12-02 14:35:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-12-02 14:35:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-12-02 14:35:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-12-02 14:35:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-12-02 14:35:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-12-02 14:35:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-12-02 14:35:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-12-02 14:35:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-12-02 14:35:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-12-02 14:35:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-12-02 14:35:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-12-02 14:35:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2024-12-02 14:35:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:35:27,253 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:35:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:35:27,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:35:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 14:35:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 14:35:27,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 14:35:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 14:35:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 14:35:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-12-02 14:35:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-12-02 14:35:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-12-02 14:35:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-12-02 14:35:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-12-02 14:35:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-12-02 14:35:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-12-02 14:35:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-12-02 14:35:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2024-12-02 14:35:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2024-12-02 14:35:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2024-12-02 14:35:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 14:35:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 14:35:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-12-02 14:35:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-12-02 14:35:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-12-02 14:35:27,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-12-02 14:35:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-12-02 14:35:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-12-02 14:35:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-12-02 14:35:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-12-02 14:35:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-12-02 14:35:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-12-02 14:35:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-12-02 14:35:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#13 [2024-12-02 14:35:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#14 [2024-12-02 14:35:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#15 [2024-12-02 14:35:27,467 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:35:27,469 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:35:28,056 INFO L? ?]: Removed 98 outVars from TransFormulas that were not future-live. [2024-12-02 14:35:28,056 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:35:28,066 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:35:28,066 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:35:28,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:35:28 BoogieIcfgContainer [2024-12-02 14:35:28,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:35:28,069 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:35:28,069 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:35:28,073 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:35:28,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:35:26" (1/3) ... [2024-12-02 14:35:28,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb74fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:35:28, skipping insertion in model container [2024-12-02 14:35:28,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:35:27" (2/3) ... [2024-12-02 14:35:28,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb74fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:35:28, skipping insertion in model container [2024-12-02 14:35:28,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:35:28" (3/3) ... [2024-12-02 14:35:28,076 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-84.i [2024-12-02 14:35:28,090 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:35:28,092 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-84.i that has 2 procedures, 103 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:35:28,141 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:35:28,150 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;@74770535, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:35:28,151 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:35:28,154 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 80 states have (on average 1.35) internal successors, (108), 81 states have internal predecessors, (108), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 14:35:28,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 14:35:28,163 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:28,163 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:28,164 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:28,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:28,167 INFO L85 PathProgramCache]: Analyzing trace with hash 557809999, now seen corresponding path program 1 times [2024-12-02 14:35:28,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:35:28,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1728748703] [2024-12-02 14:35:28,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:28,176 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:28,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:35:28,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:35:28,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 14:35:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:28,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:35:28,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:35:28,681 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-12-02 14:35:28,681 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:35:28,682 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:35:28,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1728748703] [2024-12-02 14:35:28,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1728748703] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:28,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:28,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:35:28,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320556918] [2024-12-02 14:35:28,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:28,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:35:28,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:35:28,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:35:28,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:35:28,710 INFO L87 Difference]: Start difference. First operand has 103 states, 80 states have (on average 1.35) internal successors, (108), 81 states have internal predecessors, (108), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 14:35:28,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:28,736 INFO L93 Difference]: Finished difference Result 199 states and 310 transitions. [2024-12-02 14:35:28,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:35:28,738 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 150 [2024-12-02 14:35:28,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:28,745 INFO L225 Difference]: With dead ends: 199 [2024-12-02 14:35:28,745 INFO L226 Difference]: Without dead ends: 99 [2024-12-02 14:35:28,748 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:35:28,751 INFO L435 NwaCegarLoop]: 141 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, 141 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:28,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:35:28,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-12-02 14:35:28,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-12-02 14:35:28,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 77 states have (on average 1.3116883116883118) internal successors, (101), 77 states have internal predecessors, (101), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 14:35:28,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2024-12-02 14:35:28,789 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 150 [2024-12-02 14:35:28,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:28,789 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2024-12-02 14:35:28,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 14:35:28,790 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2024-12-02 14:35:28,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 14:35:28,792 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:28,793 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:28,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 14:35:28,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:28,994 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:28,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:28,994 INFO L85 PathProgramCache]: Analyzing trace with hash 665716147, now seen corresponding path program 1 times [2024-12-02 14:35:28,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:35:28,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1866091091] [2024-12-02 14:35:28,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:28,995 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:28,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:35:28,997 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:35:28,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 14:35:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:29,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 14:35:29,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:35:29,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 14:35:29,742 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:29,742 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:35:29,742 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:35:29,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1866091091] [2024-12-02 14:35:29,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1866091091] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:29,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:29,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:35:29,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217933911] [2024-12-02 14:35:29,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:29,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:35:29,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:35:29,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:35:29,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:35:29,745 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:30,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:30,001 INFO L93 Difference]: Finished difference Result 322 states and 460 transitions. [2024-12-02 14:35:30,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:35:30,002 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 150 [2024-12-02 14:35:30,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:30,005 INFO L225 Difference]: With dead ends: 322 [2024-12-02 14:35:30,005 INFO L226 Difference]: Without dead ends: 226 [2024-12-02 14:35:30,006 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:35:30,006 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 206 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:30,007 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 536 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:35:30,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-12-02 14:35:30,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 195. [2024-12-02 14:35:30,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 152 states have (on average 1.3026315789473684) internal successors, (198), 152 states have internal predecessors, (198), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 14:35:30,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 278 transitions. [2024-12-02 14:35:30,031 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 278 transitions. Word has length 150 [2024-12-02 14:35:30,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:30,031 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 278 transitions. [2024-12-02 14:35:30,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:30,032 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 278 transitions. [2024-12-02 14:35:30,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 14:35:30,034 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:30,034 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:30,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 14:35:30,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:30,235 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:30,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:30,236 INFO L85 PathProgramCache]: Analyzing trace with hash -331787567, now seen corresponding path program 1 times [2024-12-02 14:35:30,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:35:30,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [618905808] [2024-12-02 14:35:30,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:30,237 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:30,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:35:30,238 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:35:30,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 14:35:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:30,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 14:35:30,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:35:30,655 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:30,655 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:35:30,655 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:35:30,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [618905808] [2024-12-02 14:35:30,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [618905808] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:35:30,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:35:30,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:35:30,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970894014] [2024-12-02 14:35:30,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:30,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:35:30,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:35:30,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:35:30,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:35:30,657 INFO L87 Difference]: Start difference. First operand 195 states and 278 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:30,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:30,727 INFO L93 Difference]: Finished difference Result 401 states and 573 transitions. [2024-12-02 14:35:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:35:30,728 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 158 [2024-12-02 14:35:30,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:30,730 INFO L225 Difference]: With dead ends: 401 [2024-12-02 14:35:30,730 INFO L226 Difference]: Without dead ends: 209 [2024-12-02 14:35:30,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:35:30,732 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 1 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:30,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 653 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:35:30,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-12-02 14:35:30,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 207. [2024-12-02 14:35:30,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 164 states have (on average 1.2804878048780488) internal successors, (210), 164 states have internal predecessors, (210), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 14:35:30,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 290 transitions. [2024-12-02 14:35:30,753 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 290 transitions. Word has length 158 [2024-12-02 14:35:30,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:30,753 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 290 transitions. [2024-12-02 14:35:30,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:30,754 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 290 transitions. [2024-12-02 14:35:30,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 14:35:30,756 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:30,756 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:30,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 14:35:30,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:30,956 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:30,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:30,957 INFO L85 PathProgramCache]: Analyzing trace with hash -329940525, now seen corresponding path program 1 times [2024-12-02 14:35:30,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:35:30,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [194138047] [2024-12-02 14:35:30,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:30,958 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:30,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:35:30,959 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:35:30,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 14:35:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:31,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 14:35:31,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:35:31,760 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 27 treesize of output 23 [2024-12-02 14:35:31,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2024-12-02 14:35:31,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-12-02 14:35:31,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-12-02 14:35:32,061 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 336 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-12-02 14:35:32,061 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:35:35,317 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:35,317 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:35:35,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [194138047] [2024-12-02 14:35:35,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [194138047] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:35:35,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:35:35,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 16 [2024-12-02 14:35:35,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114179486] [2024-12-02 14:35:35,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:35,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:35:35,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:35:35,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:35:35,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-12-02 14:35:35,319 INFO L87 Difference]: Start difference. First operand 207 states and 290 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:35,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:35,780 INFO L93 Difference]: Finished difference Result 509 states and 709 transitions. [2024-12-02 14:35:35,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:35:35,780 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 158 [2024-12-02 14:35:35,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:35,782 INFO L225 Difference]: With dead ends: 509 [2024-12-02 14:35:35,782 INFO L226 Difference]: Without dead ends: 305 [2024-12-02 14:35:35,783 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 299 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2024-12-02 14:35:35,784 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 62 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 1070 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:35,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 1070 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:35:35,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-12-02 14:35:35,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 241. [2024-12-02 14:35:35,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 198 states have (on average 1.297979797979798) internal successors, (257), 198 states have internal predecessors, (257), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 14:35:35,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 337 transitions. [2024-12-02 14:35:35,804 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 337 transitions. Word has length 158 [2024-12-02 14:35:35,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:35,805 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 337 transitions. [2024-12-02 14:35:35,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:35,805 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 337 transitions. [2024-12-02 14:35:35,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 14:35:35,807 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:35,807 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:35,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 14:35:36,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:36,008 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:36,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:36,009 INFO L85 PathProgramCache]: Analyzing trace with hash 634758488, now seen corresponding path program 1 times [2024-12-02 14:35:36,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:35:36,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1143530710] [2024-12-02 14:35:36,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:36,009 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:36,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:35:36,011 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:35:36,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-12-02 14:35:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:36,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 14:35:36,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:35:37,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-12-02 14:35:37,882 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 20 treesize of output 12 [2024-12-02 14:35:37,947 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 15 proven. 457 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-02 14:35:37,947 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:35:38,245 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:38,245 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:35:38,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1143530710] [2024-12-02 14:35:38,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1143530710] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:35:38,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:35:38,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 23 [2024-12-02 14:35:38,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787841495] [2024-12-02 14:35:38,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:38,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 14:35:38,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:35:38,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 14:35:38,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2024-12-02 14:35:38,247 INFO L87 Difference]: Start difference. First operand 241 states and 337 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:38,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:38,539 INFO L93 Difference]: Finished difference Result 599 states and 831 transitions. [2024-12-02 14:35:38,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:35:38,539 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-12-02 14:35:38,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:38,541 INFO L225 Difference]: With dead ends: 599 [2024-12-02 14:35:38,541 INFO L226 Difference]: Without dead ends: 361 [2024-12-02 14:35:38,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2024-12-02 14:35:38,543 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 174 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:38,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 712 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:35:38,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-12-02 14:35:38,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 357. [2024-12-02 14:35:38,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 308 states have (on average 1.3116883116883118) internal successors, (404), 310 states have internal predecessors, (404), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 14:35:38,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 492 transitions. [2024-12-02 14:35:38,565 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 492 transitions. Word has length 160 [2024-12-02 14:35:38,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:38,566 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 492 transitions. [2024-12-02 14:35:38,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:38,566 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 492 transitions. [2024-12-02 14:35:38,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 14:35:38,568 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:38,568 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:38,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-12-02 14:35:38,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:38,768 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:38,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:38,769 INFO L85 PathProgramCache]: Analyzing trace with hash -386309866, now seen corresponding path program 1 times [2024-12-02 14:35:38,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:35:38,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1371441355] [2024-12-02 14:35:38,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:38,769 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:38,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:35:38,771 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:35:38,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-12-02 14:35:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:39,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 14:35:39,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:35:41,382 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 39 treesize of output 27 [2024-12-02 14:35:41,473 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 14 proven. 470 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 14:35:41,473 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:35:42,062 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:42,062 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:35:42,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1371441355] [2024-12-02 14:35:42,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1371441355] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:35:42,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:35:42,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [22] total 30 [2024-12-02 14:35:42,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962902610] [2024-12-02 14:35:42,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:42,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:35:42,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:35:42,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:35:42,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=767, Unknown=0, NotChecked=0, Total=870 [2024-12-02 14:35:42,064 INFO L87 Difference]: Start difference. First operand 357 states and 492 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:42,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:42,883 INFO L93 Difference]: Finished difference Result 923 states and 1263 transitions. [2024-12-02 14:35:42,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 14:35:42,884 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-12-02 14:35:42,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:42,889 INFO L225 Difference]: With dead ends: 923 [2024-12-02 14:35:42,889 INFO L226 Difference]: Without dead ends: 569 [2024-12-02 14:35:42,890 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=171, Invalid=1089, Unknown=0, NotChecked=0, Total=1260 [2024-12-02 14:35:42,891 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 164 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:42,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 999 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 14:35:42,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2024-12-02 14:35:42,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 365. [2024-12-02 14:35:42,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 316 states have (on average 1.3196202531645569) internal successors, (417), 318 states have internal predecessors, (417), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 14:35:42,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 505 transitions. [2024-12-02 14:35:42,915 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 505 transitions. Word has length 160 [2024-12-02 14:35:42,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:42,916 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 505 transitions. [2024-12-02 14:35:42,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:42,916 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 505 transitions. [2024-12-02 14:35:42,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 14:35:42,918 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:42,918 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:42,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-12-02 14:35:43,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:43,119 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:43,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:43,119 INFO L85 PathProgramCache]: Analyzing trace with hash -383894516, now seen corresponding path program 1 times [2024-12-02 14:35:43,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:35:43,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525664360] [2024-12-02 14:35:43,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:43,119 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:43,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:35:43,121 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:35:43,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-12-02 14:35:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:43,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 14:35:43,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:35:43,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-02 14:35:43,914 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 10 proven. 426 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-12-02 14:35:43,914 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:35:44,076 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:44,076 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:35:44,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [525664360] [2024-12-02 14:35:44,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [525664360] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:35:44,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:35:44,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-12-02 14:35:44,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400310520] [2024-12-02 14:35:44,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:44,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:35:44,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:35:44,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:35:44,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:35:44,078 INFO L87 Difference]: Start difference. First operand 365 states and 505 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:44,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:44,154 INFO L93 Difference]: Finished difference Result 989 states and 1361 transitions. [2024-12-02 14:35:44,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:35:44,154 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-12-02 14:35:44,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:44,157 INFO L225 Difference]: With dead ends: 989 [2024-12-02 14:35:44,157 INFO L226 Difference]: Without dead ends: 627 [2024-12-02 14:35:44,158 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-12-02 14:35:44,159 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 68 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:44,159 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 530 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:35:44,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2024-12-02 14:35:44,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 623. [2024-12-02 14:35:44,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 550 states have (on average 1.3163636363636364) internal successors, (724), 556 states have internal predecessors, (724), 64 states have call successors, (64), 8 states have call predecessors, (64), 8 states have return successors, (64), 58 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 14:35:44,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 852 transitions. [2024-12-02 14:35:44,193 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 852 transitions. Word has length 160 [2024-12-02 14:35:44,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:44,194 INFO L471 AbstractCegarLoop]: Abstraction has 623 states and 852 transitions. [2024-12-02 14:35:44,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:44,194 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 852 transitions. [2024-12-02 14:35:44,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 14:35:44,196 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:44,196 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:44,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-12-02 14:35:44,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:44,396 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:44,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:44,397 INFO L85 PathProgramCache]: Analyzing trace with hash -642059954, now seen corresponding path program 1 times [2024-12-02 14:35:44,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:35:44,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1549330707] [2024-12-02 14:35:44,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:44,397 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:44,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:35:44,399 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:35:44,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-12-02 14:35:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:44,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 14:35:44,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:35:46,239 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 31 treesize of output 27 [2024-12-02 14:35:46,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 94 [2024-12-02 14:35:46,534 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 93 treesize of output 77 [2024-12-02 14:35:46,538 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 72 treesize of output 60 [2024-12-02 14:35:46,637 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 28 proven. 552 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-02 14:35:46,637 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:35:46,965 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:46,965 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:35:46,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1549330707] [2024-12-02 14:35:46,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1549330707] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:35:46,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:35:46,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [20] total 23 [2024-12-02 14:35:46,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906473338] [2024-12-02 14:35:46,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:46,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:35:46,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:35:46,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:35:46,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=439, Unknown=0, NotChecked=0, Total=506 [2024-12-02 14:35:46,967 INFO L87 Difference]: Start difference. First operand 623 states and 852 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:47,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:47,332 INFO L93 Difference]: Finished difference Result 1279 states and 1741 transitions. [2024-12-02 14:35:47,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:35:47,333 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-12-02 14:35:47,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:47,336 INFO L225 Difference]: With dead ends: 1279 [2024-12-02 14:35:47,336 INFO L226 Difference]: Without dead ends: 659 [2024-12-02 14:35:47,343 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2024-12-02 14:35:47,344 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 54 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:47,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 678 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:35:47,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-12-02 14:35:47,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 656. [2024-12-02 14:35:47,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 576 states have (on average 1.2951388888888888) internal successors, (746), 583 states have internal predecessors, (746), 68 states have call successors, (68), 11 states have call predecessors, (68), 11 states have return successors, (68), 61 states have call predecessors, (68), 68 states have call successors, (68) [2024-12-02 14:35:47,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 882 transitions. [2024-12-02 14:35:47,372 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 882 transitions. Word has length 160 [2024-12-02 14:35:47,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:47,372 INFO L471 AbstractCegarLoop]: Abstraction has 656 states and 882 transitions. [2024-12-02 14:35:47,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:47,373 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 882 transitions. [2024-12-02 14:35:47,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 14:35:47,374 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:47,374 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:47,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-12-02 14:35:47,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:47,575 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:47,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:47,575 INFO L85 PathProgramCache]: Analyzing trace with hash -2082808520, now seen corresponding path program 1 times [2024-12-02 14:35:47,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:35:47,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491122052] [2024-12-02 14:35:47,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:47,576 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:47,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:35:47,577 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:35:47,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-12-02 14:35:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:47,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 14:35:47,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:35:49,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-12-02 14:35:49,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2024-12-02 14:35:49,184 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 15 proven. 457 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-02 14:35:49,184 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:35:49,458 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:49,458 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:35:49,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491122052] [2024-12-02 14:35:49,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [491122052] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:35:49,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:35:49,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 23 [2024-12-02 14:35:49,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839981620] [2024-12-02 14:35:49,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:49,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 14:35:49,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:35:49,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 14:35:49,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2024-12-02 14:35:49,459 INFO L87 Difference]: Start difference. First operand 656 states and 882 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:49,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:49,702 INFO L93 Difference]: Finished difference Result 1530 states and 2046 transitions. [2024-12-02 14:35:49,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:35:49,703 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-12-02 14:35:49,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:49,706 INFO L225 Difference]: With dead ends: 1530 [2024-12-02 14:35:49,706 INFO L226 Difference]: Without dead ends: 890 [2024-12-02 14:35:49,707 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2024-12-02 14:35:49,708 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 165 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:49,708 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 644 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:35:49,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2024-12-02 14:35:49,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 726. [2024-12-02 14:35:49,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 726 states, 646 states have (on average 1.3003095975232197) internal successors, (840), 653 states have internal predecessors, (840), 68 states have call successors, (68), 11 states have call predecessors, (68), 11 states have return successors, (68), 61 states have call predecessors, (68), 68 states have call successors, (68) [2024-12-02 14:35:49,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 976 transitions. [2024-12-02 14:35:49,746 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 976 transitions. Word has length 160 [2024-12-02 14:35:49,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:49,747 INFO L471 AbstractCegarLoop]: Abstraction has 726 states and 976 transitions. [2024-12-02 14:35:49,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:49,747 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 976 transitions. [2024-12-02 14:35:49,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 14:35:49,748 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:49,748 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:49,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-12-02 14:35:49,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:49,949 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:49,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:49,950 INFO L85 PathProgramCache]: Analyzing trace with hash 218014070, now seen corresponding path program 1 times [2024-12-02 14:35:49,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:35:49,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1706163525] [2024-12-02 14:35:49,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:49,950 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:49,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:35:49,952 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:35:49,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-12-02 14:35:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:50,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 14:35:50,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:35:51,258 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 24 treesize of output 16 [2024-12-02 14:35:51,262 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 29 treesize of output 17 [2024-12-02 14:35:51,311 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 15 proven. 369 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-12-02 14:35:51,311 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:35:51,529 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:51,529 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:35:51,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1706163525] [2024-12-02 14:35:51,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1706163525] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:35:51,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:35:51,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-12-02 14:35:51,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972690057] [2024-12-02 14:35:51,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:51,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:35:51,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:35:51,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:35:51,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-12-02 14:35:51,531 INFO L87 Difference]: Start difference. First operand 726 states and 976 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:51,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:51,718 INFO L93 Difference]: Finished difference Result 1600 states and 2132 transitions. [2024-12-02 14:35:51,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:35:51,719 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-12-02 14:35:51,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:51,723 INFO L225 Difference]: With dead ends: 1600 [2024-12-02 14:35:51,723 INFO L226 Difference]: Without dead ends: 890 [2024-12-02 14:35:51,724 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-12-02 14:35:51,725 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 59 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:51,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 511 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:35:51,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2024-12-02 14:35:51,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 718. [2024-12-02 14:35:51,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 638 states have (on average 1.2852664576802508) internal successors, (820), 645 states have internal predecessors, (820), 68 states have call successors, (68), 11 states have call predecessors, (68), 11 states have return successors, (68), 61 states have call predecessors, (68), 68 states have call successors, (68) [2024-12-02 14:35:51,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 956 transitions. [2024-12-02 14:35:51,762 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 956 transitions. Word has length 160 [2024-12-02 14:35:51,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:51,762 INFO L471 AbstractCegarLoop]: Abstraction has 718 states and 956 transitions. [2024-12-02 14:35:51,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:51,763 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 956 transitions. [2024-12-02 14:35:51,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 14:35:51,764 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:51,764 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:51,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-12-02 14:35:51,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:51,965 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:51,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:51,966 INFO L85 PathProgramCache]: Analyzing trace with hash -501511344, now seen corresponding path program 1 times [2024-12-02 14:35:51,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:35:51,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1127938973] [2024-12-02 14:35:51,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:51,966 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:51,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:35:51,968 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:35:51,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-12-02 14:35:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:52,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 14:35:52,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:35:52,849 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 10 proven. 426 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-12-02 14:35:52,849 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:35:52,978 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:52,978 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:35:52,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1127938973] [2024-12-02 14:35:52,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1127938973] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:35:52,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:35:52,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-12-02 14:35:52,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804540839] [2024-12-02 14:35:52,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:52,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:35:52,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:35:52,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:35:52,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:35:52,980 INFO L87 Difference]: Start difference. First operand 718 states and 956 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:53,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:53,093 INFO L93 Difference]: Finished difference Result 1420 states and 1886 transitions. [2024-12-02 14:35:53,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:35:53,093 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-12-02 14:35:53,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:53,096 INFO L225 Difference]: With dead ends: 1420 [2024-12-02 14:35:53,096 INFO L226 Difference]: Without dead ends: 718 [2024-12-02 14:35:53,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:35:53,098 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 116 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:53,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 549 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:35:53,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2024-12-02 14:35:53,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 714. [2024-12-02 14:35:53,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 632 states have (on average 1.2753164556962024) internal successors, (806), 639 states have internal predecessors, (806), 68 states have call successors, (68), 13 states have call predecessors, (68), 13 states have return successors, (68), 61 states have call predecessors, (68), 68 states have call successors, (68) [2024-12-02 14:35:53,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 942 transitions. [2024-12-02 14:35:53,135 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 942 transitions. Word has length 160 [2024-12-02 14:35:53,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:53,135 INFO L471 AbstractCegarLoop]: Abstraction has 714 states and 942 transitions. [2024-12-02 14:35:53,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:53,135 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 942 transitions. [2024-12-02 14:35:53,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 14:35:53,137 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:53,137 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:53,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-12-02 14:35:53,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:53,337 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:53,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:53,338 INFO L85 PathProgramCache]: Analyzing trace with hash 657390742, now seen corresponding path program 1 times [2024-12-02 14:35:53,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:35:53,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1719699414] [2024-12-02 14:35:53,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:53,338 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:53,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:35:53,339 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:35:53,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-12-02 14:35:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:53,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 14:35:53,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:35:54,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-12-02 14:35:54,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-12-02 14:35:54,683 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 15 proven. 369 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-12-02 14:35:54,683 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:35:54,834 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:54,834 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:35:54,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1719699414] [2024-12-02 14:35:54,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1719699414] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:35:54,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:35:54,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-12-02 14:35:54,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132672890] [2024-12-02 14:35:54,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:54,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:35:54,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:35:54,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:35:54,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-12-02 14:35:54,835 INFO L87 Difference]: Start difference. First operand 714 states and 942 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:54,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:54,989 INFO L93 Difference]: Finished difference Result 1662 states and 2166 transitions. [2024-12-02 14:35:54,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:35:54,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-12-02 14:35:54,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:54,992 INFO L225 Difference]: With dead ends: 1662 [2024-12-02 14:35:54,992 INFO L226 Difference]: Without dead ends: 964 [2024-12-02 14:35:54,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-12-02 14:35:54,994 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 70 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:54,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 553 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:35:54,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-12-02 14:35:55,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 609. [2024-12-02 14:35:55,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 541 states have (on average 1.2883548983364141) internal successors, (697), 545 states have internal predecessors, (697), 56 states have call successors, (56), 11 states have call predecessors, (56), 11 states have return successors, (56), 52 states have call predecessors, (56), 56 states have call successors, (56) [2024-12-02 14:35:55,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 809 transitions. [2024-12-02 14:35:55,032 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 809 transitions. Word has length 160 [2024-12-02 14:35:55,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:55,032 INFO L471 AbstractCegarLoop]: Abstraction has 609 states and 809 transitions. [2024-12-02 14:35:55,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:55,033 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 809 transitions. [2024-12-02 14:35:55,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 14:35:55,034 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:55,034 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:55,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-12-02 14:35:55,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:55,235 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:55,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:55,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1714348520, now seen corresponding path program 1 times [2024-12-02 14:35:55,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:35:55,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2137610558] [2024-12-02 14:35:55,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:55,236 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:55,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:35:55,237 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:35:55,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-12-02 14:35:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:55,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 14:35:55,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:35:56,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-12-02 14:35:56,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-12-02 14:35:56,640 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 15 proven. 369 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-12-02 14:35:56,640 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:35:56,872 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:56,872 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:35:56,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2137610558] [2024-12-02 14:35:56,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2137610558] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:35:56,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:35:56,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-12-02 14:35:56,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315390495] [2024-12-02 14:35:56,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:56,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:35:56,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:35:56,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:35:56,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-12-02 14:35:56,874 INFO L87 Difference]: Start difference. First operand 609 states and 809 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:57,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:57,035 INFO L93 Difference]: Finished difference Result 1385 states and 1816 transitions. [2024-12-02 14:35:57,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:35:57,035 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-12-02 14:35:57,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:57,037 INFO L225 Difference]: With dead ends: 1385 [2024-12-02 14:35:57,037 INFO L226 Difference]: Without dead ends: 779 [2024-12-02 14:35:57,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-12-02 14:35:57,039 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 112 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:57,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 439 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:35:57,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2024-12-02 14:35:57,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 601. [2024-12-02 14:35:57,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 533 states have (on average 1.2701688555347093) internal successors, (677), 537 states have internal predecessors, (677), 56 states have call successors, (56), 11 states have call predecessors, (56), 11 states have return successors, (56), 52 states have call predecessors, (56), 56 states have call successors, (56) [2024-12-02 14:35:57,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 789 transitions. [2024-12-02 14:35:57,056 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 789 transitions. Word has length 160 [2024-12-02 14:35:57,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:57,057 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 789 transitions. [2024-12-02 14:35:57,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:57,057 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 789 transitions. [2024-12-02 14:35:57,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 14:35:57,058 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:57,058 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:57,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-12-02 14:35:57,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:57,259 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:57,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:57,259 INFO L85 PathProgramCache]: Analyzing trace with hash 240646324, now seen corresponding path program 1 times [2024-12-02 14:35:57,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:35:57,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [279401539] [2024-12-02 14:35:57,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:57,259 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:57,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:35:57,261 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:35:57,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-12-02 14:35:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:57,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 14:35:57,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:35:58,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-12-02 14:35:58,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-12-02 14:35:58,720 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 15 proven. 369 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-12-02 14:35:58,720 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:35:58,907 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:35:58,907 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:35:58,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [279401539] [2024-12-02 14:35:58,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [279401539] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:35:58,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:35:58,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-12-02 14:35:58,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731971716] [2024-12-02 14:35:58,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:35:58,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:35:58,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:35:58,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:35:58,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-12-02 14:35:58,909 INFO L87 Difference]: Start difference. First operand 601 states and 789 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:59,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:35:59,072 INFO L93 Difference]: Finished difference Result 1377 states and 1788 transitions. [2024-12-02 14:35:59,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:35:59,073 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-12-02 14:35:59,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:35:59,074 INFO L225 Difference]: With dead ends: 1377 [2024-12-02 14:35:59,075 INFO L226 Difference]: Without dead ends: 779 [2024-12-02 14:35:59,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-12-02 14:35:59,076 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 56 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:35:59,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 558 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:35:59,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2024-12-02 14:35:59,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 613. [2024-12-02 14:35:59,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 545 states have (on average 1.2642201834862385) internal successors, (689), 549 states have internal predecessors, (689), 56 states have call successors, (56), 11 states have call predecessors, (56), 11 states have return successors, (56), 52 states have call predecessors, (56), 56 states have call successors, (56) [2024-12-02 14:35:59,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 801 transitions. [2024-12-02 14:35:59,093 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 801 transitions. Word has length 160 [2024-12-02 14:35:59,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:35:59,093 INFO L471 AbstractCegarLoop]: Abstraction has 613 states and 801 transitions. [2024-12-02 14:35:59,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:35:59,094 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 801 transitions. [2024-12-02 14:35:59,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 14:35:59,095 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:35:59,095 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:35:59,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2024-12-02 14:35:59,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:59,296 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:35:59,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:35:59,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1039217354, now seen corresponding path program 1 times [2024-12-02 14:35:59,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:35:59,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1276170210] [2024-12-02 14:35:59,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:35:59,297 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:35:59,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:35:59,299 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:35:59,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-12-02 14:35:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:35:59,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 14:35:59,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:36:00,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-12-02 14:36:00,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2024-12-02 14:36:00,965 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 13 proven. 443 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-12-02 14:36:00,965 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:36:01,221 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:36:01,221 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:36:01,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1276170210] [2024-12-02 14:36:01,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1276170210] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:36:01,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:36:01,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 23 [2024-12-02 14:36:01,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204342038] [2024-12-02 14:36:01,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:36:01,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 14:36:01,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:36:01,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 14:36:01,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2024-12-02 14:36:01,222 INFO L87 Difference]: Start difference. First operand 613 states and 801 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:36:01,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:36:01,517 INFO L93 Difference]: Finished difference Result 1400 states and 1809 transitions. [2024-12-02 14:36:01,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:36:01,518 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-12-02 14:36:01,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:36:01,520 INFO L225 Difference]: With dead ends: 1400 [2024-12-02 14:36:01,520 INFO L226 Difference]: Without dead ends: 790 [2024-12-02 14:36:01,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2024-12-02 14:36:01,522 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 58 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:36:01,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 910 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:36:01,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-12-02 14:36:01,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 707. [2024-12-02 14:36:01,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 627 states have (on average 1.2456140350877194) internal successors, (781), 633 states have internal predecessors, (781), 64 states have call successors, (64), 15 states have call predecessors, (64), 15 states have return successors, (64), 58 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 14:36:01,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 909 transitions. [2024-12-02 14:36:01,544 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 909 transitions. Word has length 160 [2024-12-02 14:36:01,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:36:01,544 INFO L471 AbstractCegarLoop]: Abstraction has 707 states and 909 transitions. [2024-12-02 14:36:01,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:36:01,544 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 909 transitions. [2024-12-02 14:36:01,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 14:36:01,545 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:36:01,545 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:36:01,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-12-02 14:36:01,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:01,746 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:36:01,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:36:01,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1574974333, now seen corresponding path program 1 times [2024-12-02 14:36:01,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:36:01,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [471489242] [2024-12-02 14:36:01,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:36:01,747 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:01,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:36:01,749 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:36:01,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-12-02 14:36:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:36:02,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 14:36:02,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:36:02,263 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 27 treesize of output 23 [2024-12-02 14:36:02,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2024-12-02 14:36:02,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-12-02 14:36:02,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-12-02 14:36:02,525 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2024-12-02 14:36:02,525 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:36:06,388 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:36:06,388 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:36:06,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [471489242] [2024-12-02 14:36:06,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [471489242] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:36:06,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:36:06,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13] total 20 [2024-12-02 14:36:06,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101843842] [2024-12-02 14:36:06,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:36:06,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 14:36:06,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:36:06,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 14:36:06,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2024-12-02 14:36:06,390 INFO L87 Difference]: Start difference. First operand 707 states and 909 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:36:07,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:36:07,082 INFO L93 Difference]: Finished difference Result 1605 states and 2060 transitions. [2024-12-02 14:36:07,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 14:36:07,083 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-12-02 14:36:07,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:36:07,085 INFO L225 Difference]: With dead ends: 1605 [2024-12-02 14:36:07,085 INFO L226 Difference]: Without dead ends: 901 [2024-12-02 14:36:07,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 303 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=85, Invalid=617, Unknown=0, NotChecked=0, Total=702 [2024-12-02 14:36:07,086 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 59 mSDsluCounter, 1289 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1449 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:36:07,086 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1449 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:36:07,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2024-12-02 14:36:07,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 767. [2024-12-02 14:36:07,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 767 states, 687 states have (on average 1.2532751091703056) internal successors, (861), 693 states have internal predecessors, (861), 64 states have call successors, (64), 15 states have call predecessors, (64), 15 states have return successors, (64), 58 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 14:36:07,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 989 transitions. [2024-12-02 14:36:07,123 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 989 transitions. Word has length 162 [2024-12-02 14:36:07,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:36:07,123 INFO L471 AbstractCegarLoop]: Abstraction has 767 states and 989 transitions. [2024-12-02 14:36:07,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:36:07,123 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 989 transitions. [2024-12-02 14:36:07,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 14:36:07,125 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:36:07,125 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:36:07,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-12-02 14:36:07,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:07,325 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:36:07,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:36:07,326 INFO L85 PathProgramCache]: Analyzing trace with hash 295110655, now seen corresponding path program 1 times [2024-12-02 14:36:07,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:36:07,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [568608475] [2024-12-02 14:36:07,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:36:07,327 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:07,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:36:07,328 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:36:07,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-12-02 14:36:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:36:07,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 14:36:07,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:36:08,828 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 24 treesize of output 16 [2024-12-02 14:36:08,831 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 29 treesize of output 17 [2024-12-02 14:36:08,874 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 15 proven. 369 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-12-02 14:36:08,874 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:36:09,079 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:36:09,080 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:36:09,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [568608475] [2024-12-02 14:36:09,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [568608475] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:36:09,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:36:09,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-12-02 14:36:09,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985886760] [2024-12-02 14:36:09,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:36:09,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:36:09,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:36:09,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:36:09,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-12-02 14:36:09,081 INFO L87 Difference]: Start difference. First operand 767 states and 989 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:36:09,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:36:09,260 INFO L93 Difference]: Finished difference Result 1690 states and 2165 transitions. [2024-12-02 14:36:09,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:36:09,260 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-12-02 14:36:09,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:36:09,263 INFO L225 Difference]: With dead ends: 1690 [2024-12-02 14:36:09,263 INFO L226 Difference]: Without dead ends: 926 [2024-12-02 14:36:09,263 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-12-02 14:36:09,264 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 53 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:36:09,264 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 503 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:36:09,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2024-12-02 14:36:09,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 767. [2024-12-02 14:36:09,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 767 states, 687 states have (on average 1.2416302765647744) internal successors, (853), 693 states have internal predecessors, (853), 64 states have call successors, (64), 15 states have call predecessors, (64), 15 states have return successors, (64), 58 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 14:36:09,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 981 transitions. [2024-12-02 14:36:09,285 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 981 transitions. Word has length 162 [2024-12-02 14:36:09,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:36:09,286 INFO L471 AbstractCegarLoop]: Abstraction has 767 states and 981 transitions. [2024-12-02 14:36:09,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:36:09,286 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 981 transitions. [2024-12-02 14:36:09,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 14:36:09,287 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:36:09,288 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:36:09,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-12-02 14:36:09,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:09,488 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:36:09,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:36:09,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1333789569, now seen corresponding path program 1 times [2024-12-02 14:36:09,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:36:09,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [142378757] [2024-12-02 14:36:09,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:36:09,489 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:09,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:36:09,490 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:36:09,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-12-02 14:36:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:36:09,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 14:36:09,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:36:11,155 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 24 treesize of output 16 [2024-12-02 14:36:11,157 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 29 treesize of output 17 [2024-12-02 14:36:11,204 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 15 proven. 369 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-12-02 14:36:11,205 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:36:11,366 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:36:11,366 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:36:11,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [142378757] [2024-12-02 14:36:11,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [142378757] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:36:11,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:36:11,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-12-02 14:36:11,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761248883] [2024-12-02 14:36:11,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:36:11,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:36:11,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:36:11,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:36:11,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-12-02 14:36:11,367 INFO L87 Difference]: Start difference. First operand 767 states and 981 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:36:11,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:36:11,502 INFO L93 Difference]: Finished difference Result 1614 states and 2055 transitions. [2024-12-02 14:36:11,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:36:11,502 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-12-02 14:36:11,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:36:11,505 INFO L225 Difference]: With dead ends: 1614 [2024-12-02 14:36:11,505 INFO L226 Difference]: Without dead ends: 850 [2024-12-02 14:36:11,505 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-12-02 14:36:11,506 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 128 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:36:11,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 391 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:36:11,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-12-02 14:36:11,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 711. [2024-12-02 14:36:11,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 631 states have (on average 1.2345483359746434) internal successors, (779), 637 states have internal predecessors, (779), 64 states have call successors, (64), 15 states have call predecessors, (64), 15 states have return successors, (64), 58 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 14:36:11,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 907 transitions. [2024-12-02 14:36:11,527 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 907 transitions. Word has length 162 [2024-12-02 14:36:11,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:36:11,527 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 907 transitions. [2024-12-02 14:36:11,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:36:11,527 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 907 transitions. [2024-12-02 14:36:11,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 14:36:11,528 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:36:11,528 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:36:11,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-12-02 14:36:11,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:11,729 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:36:11,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:36:11,729 INFO L85 PathProgramCache]: Analyzing trace with hash -575637088, now seen corresponding path program 1 times [2024-12-02 14:36:11,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:36:11,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1151602563] [2024-12-02 14:36:11,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:36:11,730 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:11,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:36:11,732 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:36:11,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-12-02 14:36:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:36:12,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 14:36:12,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:36:12,169 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:36:12,169 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:36:12,169 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:36:12,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1151602563] [2024-12-02 14:36:12,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1151602563] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:36:12,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:36:12,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:36:12,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970094163] [2024-12-02 14:36:12,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:36:12,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:36:12,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:36:12,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:36:12,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:36:12,171 INFO L87 Difference]: Start difference. First operand 711 states and 907 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:36:12,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:36:12,212 INFO L93 Difference]: Finished difference Result 1443 states and 1843 transitions. [2024-12-02 14:36:12,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:36:12,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-12-02 14:36:12,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:36:12,215 INFO L225 Difference]: With dead ends: 1443 [2024-12-02 14:36:12,215 INFO L226 Difference]: Without dead ends: 735 [2024-12-02 14:36:12,215 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:36:12,216 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:36:12,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 535 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:36:12,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-12-02 14:36:12,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 735. [2024-12-02 14:36:12,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 655 states have (on average 1.2259541984732825) internal successors, (803), 661 states have internal predecessors, (803), 64 states have call successors, (64), 15 states have call predecessors, (64), 15 states have return successors, (64), 58 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 14:36:12,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 931 transitions. [2024-12-02 14:36:12,235 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 931 transitions. Word has length 162 [2024-12-02 14:36:12,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:36:12,235 INFO L471 AbstractCegarLoop]: Abstraction has 735 states and 931 transitions. [2024-12-02 14:36:12,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:36:12,235 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 931 transitions. [2024-12-02 14:36:12,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 14:36:12,236 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:36:12,236 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:36:12,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-12-02 14:36:12,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:12,437 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:36:12,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:36:12,437 INFO L85 PathProgramCache]: Analyzing trace with hash -38071043, now seen corresponding path program 1 times [2024-12-02 14:36:12,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:36:12,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [748601389] [2024-12-02 14:36:12,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:36:12,437 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:12,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:36:12,439 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:36:12,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-12-02 14:36:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:36:12,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 14:36:12,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:36:12,855 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 27 treesize of output 23 [2024-12-02 14:36:12,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2024-12-02 14:36:12,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-12-02 14:36:12,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-12-02 14:36:13,104 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:36:13,104 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:36:13,104 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:36:13,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [748601389] [2024-12-02 14:36:13,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [748601389] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:36:13,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:36:13,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 14:36:13,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447791510] [2024-12-02 14:36:13,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:36:13,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 14:36:13,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:36:13,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 14:36:13,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:36:13,105 INFO L87 Difference]: Start difference. First operand 735 states and 931 transitions. Second operand has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:36:14,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:36:14,098 INFO L93 Difference]: Finished difference Result 1577 states and 1996 transitions. [2024-12-02 14:36:14,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 14:36:14,098 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-12-02 14:36:14,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:36:14,100 INFO L225 Difference]: With dead ends: 1577 [2024-12-02 14:36:14,100 INFO L226 Difference]: Without dead ends: 845 [2024-12-02 14:36:14,101 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2024-12-02 14:36:14,101 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 190 mSDsluCounter, 961 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 1126 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:36:14,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 1126 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 14:36:14,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-12-02 14:36:14,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 715. [2024-12-02 14:36:14,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 715 states, 635 states have (on average 1.2299212598425198) internal successors, (781), 641 states have internal predecessors, (781), 64 states have call successors, (64), 15 states have call predecessors, (64), 15 states have return successors, (64), 58 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 14:36:14,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 909 transitions. [2024-12-02 14:36:14,127 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 909 transitions. Word has length 162 [2024-12-02 14:36:14,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:36:14,127 INFO L471 AbstractCegarLoop]: Abstraction has 715 states and 909 transitions. [2024-12-02 14:36:14,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:36:14,127 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 909 transitions. [2024-12-02 14:36:14,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 14:36:14,128 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:36:14,128 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:36:14,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2024-12-02 14:36:14,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:14,328 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:36:14,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:36:14,329 INFO L85 PathProgramCache]: Analyzing trace with hash -710510343, now seen corresponding path program 1 times [2024-12-02 14:36:14,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:36:14,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [167817758] [2024-12-02 14:36:14,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:36:14,329 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:14,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:36:14,331 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:36:14,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-12-02 14:36:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:36:14,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 14:36:14,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:36:15,850 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 [2024-12-02 14:36:16,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 89 [2024-12-02 14:36:16,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 77 [2024-12-02 14:36:16,187 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 14:36:16,187 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:36:16,468 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:36:16,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [167817758] [2024-12-02 14:36:16,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [167817758] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:36:16,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [446117425] [2024-12-02 14:36:16,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:36:16,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 14:36:16,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 14:36:16,470 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 14:36:16,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-02 14:36:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:36:17,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-02 14:36:17,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:36:19,299 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 [2024-12-02 14:36:19,924 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 [2024-12-02 14:36:20,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 89 [2024-12-02 14:36:20,379 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 137 treesize of output 77 [2024-12-02 14:36:20,399 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 14:36:20,399 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:36:20,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [446117425] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:36:20,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:36:20,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2024-12-02 14:36:20,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929199248] [2024-12-02 14:36:20,590 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 14:36:20,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 14:36:20,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:36:20,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 14:36:20,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2024-12-02 14:36:20,591 INFO L87 Difference]: Start difference. First operand 715 states and 909 transitions. Second operand has 17 states, 17 states have (on average 8.0) internal successors, (136), 16 states have internal predecessors, (136), 4 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-12-02 14:36:22,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:36:22,433 INFO L93 Difference]: Finished difference Result 1455 states and 1844 transitions. [2024-12-02 14:36:22,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 14:36:22,434 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 8.0) internal successors, (136), 16 states have internal predecessors, (136), 4 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 164 [2024-12-02 14:36:22,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:36:22,439 INFO L225 Difference]: With dead ends: 1455 [2024-12-02 14:36:22,439 INFO L226 Difference]: Without dead ends: 1453 [2024-12-02 14:36:22,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 382 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=148, Invalid=664, Unknown=0, NotChecked=0, Total=812 [2024-12-02 14:36:22,440 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 210 mSDsluCounter, 1418 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 1610 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:36:22,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 1610 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 14:36:22,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2024-12-02 14:36:22,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1449. [2024-12-02 14:36:22,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1449 states, 1288 states have (on average 1.2236024844720497) internal successors, (1576), 1302 states have internal predecessors, (1576), 128 states have call successors, (128), 32 states have call predecessors, (128), 32 states have return successors, (128), 114 states have call predecessors, (128), 128 states have call successors, (128) [2024-12-02 14:36:22,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1449 states and 1832 transitions. [2024-12-02 14:36:22,547 INFO L78 Accepts]: Start accepts. Automaton has 1449 states and 1832 transitions. Word has length 164 [2024-12-02 14:36:22,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:36:22,547 INFO L471 AbstractCegarLoop]: Abstraction has 1449 states and 1832 transitions. [2024-12-02 14:36:22,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.0) internal successors, (136), 16 states have internal predecessors, (136), 4 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-12-02 14:36:22,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1832 transitions. [2024-12-02 14:36:22,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 14:36:22,549 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:36:22,550 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:36:22,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-02 14:36:22,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-12-02 14:36:22,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:22,950 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:36:22,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:36:22,951 INFO L85 PathProgramCache]: Analyzing trace with hash -708663301, now seen corresponding path program 1 times [2024-12-02 14:36:22,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:36:22,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1913647315] [2024-12-02 14:36:22,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:36:22,951 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:22,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:36:22,953 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:36:22,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-12-02 14:36:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:36:23,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 14:36:23,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:36:23,306 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 [2024-12-02 14:36:23,356 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 37 treesize of output 25 [2024-12-02 14:36:23,383 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:36:23,383 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:36:23,383 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:36:23,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1913647315] [2024-12-02 14:36:23,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1913647315] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:36:23,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:36:23,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:36:23,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317001770] [2024-12-02 14:36:23,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:36:23,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:36:23,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:36:23,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:36:23,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:36:23,384 INFO L87 Difference]: Start difference. First operand 1449 states and 1832 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:36:23,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:36:23,704 INFO L93 Difference]: Finished difference Result 4389 states and 5554 transitions. [2024-12-02 14:36:23,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:36:23,704 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 164 [2024-12-02 14:36:23,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:36:23,710 INFO L225 Difference]: With dead ends: 4389 [2024-12-02 14:36:23,710 INFO L226 Difference]: Without dead ends: 2943 [2024-12-02 14:36:23,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:36:23,713 INFO L435 NwaCegarLoop]: 220 mSDtfsCounter, 121 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:36:23,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 999 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:36:23,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2943 states. [2024-12-02 14:36:23,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2943 to 2141. [2024-12-02 14:36:23,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2141 states, 1980 states have (on average 1.2363636363636363) internal successors, (2448), 1994 states have internal predecessors, (2448), 128 states have call successors, (128), 32 states have call predecessors, (128), 32 states have return successors, (128), 114 states have call predecessors, (128), 128 states have call successors, (128) [2024-12-02 14:36:23,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 2141 states and 2704 transitions. [2024-12-02 14:36:23,813 INFO L78 Accepts]: Start accepts. Automaton has 2141 states and 2704 transitions. Word has length 164 [2024-12-02 14:36:23,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:36:23,813 INFO L471 AbstractCegarLoop]: Abstraction has 2141 states and 2704 transitions. [2024-12-02 14:36:23,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:36:23,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2141 states and 2704 transitions. [2024-12-02 14:36:23,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 14:36:23,815 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:36:23,815 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:36:23,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2024-12-02 14:36:24,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:24,016 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:36:24,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:36:24,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1518009927, now seen corresponding path program 1 times [2024-12-02 14:36:24,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:36:24,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1243336033] [2024-12-02 14:36:24,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:36:24,017 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:24,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:36:24,018 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:36:24,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-12-02 14:36:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:36:24,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 14:36:24,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:36:25,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-02 14:36:25,133 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 420 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-12-02 14:36:25,133 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:36:25,274 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:36:25,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1243336033] [2024-12-02 14:36:25,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1243336033] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:36:25,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1055691709] [2024-12-02 14:36:25,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:36:25,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 14:36:25,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 14:36:25,276 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 14:36:25,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-02 14:36:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:36:26,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 14:36:26,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:36:26,572 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 [2024-12-02 14:36:27,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-12-02 14:36:27,640 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 9 proven. 427 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-12-02 14:36:27,640 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:36:27,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1055691709] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:36:27,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:36:27,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 19 [2024-12-02 14:36:27,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853026249] [2024-12-02 14:36:27,728 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 14:36:27,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-12-02 14:36:27,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:36:27,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-12-02 14:36:27,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2024-12-02 14:36:27,729 INFO L87 Difference]: Start difference. First operand 2141 states and 2704 transitions. Second operand has 20 states, 17 states have (on average 8.352941176470589) internal successors, (142), 16 states have internal predecessors, (142), 7 states have call successors, (40), 6 states have call predecessors, (40), 7 states have return successors, (40), 5 states have call predecessors, (40), 7 states have call successors, (40) [2024-12-02 14:36:29,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:36:29,084 INFO L93 Difference]: Finished difference Result 4371 states and 5489 transitions. [2024-12-02 14:36:29,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 14:36:29,085 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 8.352941176470589) internal successors, (142), 16 states have internal predecessors, (142), 7 states have call successors, (40), 6 states have call predecessors, (40), 7 states have return successors, (40), 5 states have call predecessors, (40), 7 states have call successors, (40) Word has length 164 [2024-12-02 14:36:29,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:36:29,089 INFO L225 Difference]: With dead ends: 4371 [2024-12-02 14:36:29,089 INFO L226 Difference]: Without dead ends: 2233 [2024-12-02 14:36:29,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=265, Invalid=1067, Unknown=0, NotChecked=0, Total=1332 [2024-12-02 14:36:29,092 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 354 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1136 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:36:29,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 1136 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 14:36:29,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2233 states. [2024-12-02 14:36:29,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2233 to 2173. [2024-12-02 14:36:29,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2173 states, 2004 states have (on average 1.217564870259481) internal successors, (2440), 2018 states have internal predecessors, (2440), 128 states have call successors, (128), 40 states have call predecessors, (128), 40 states have return successors, (128), 114 states have call predecessors, (128), 128 states have call successors, (128) [2024-12-02 14:36:29,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2173 states to 2173 states and 2696 transitions. [2024-12-02 14:36:29,276 INFO L78 Accepts]: Start accepts. Automaton has 2173 states and 2696 transitions. Word has length 164 [2024-12-02 14:36:29,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:36:29,276 INFO L471 AbstractCegarLoop]: Abstraction has 2173 states and 2696 transitions. [2024-12-02 14:36:29,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 8.352941176470589) internal successors, (142), 16 states have internal predecessors, (142), 7 states have call successors, (40), 6 states have call predecessors, (40), 7 states have return successors, (40), 5 states have call predecessors, (40), 7 states have call successors, (40) [2024-12-02 14:36:29,277 INFO L276 IsEmpty]: Start isEmpty. Operand 2173 states and 2696 transitions. [2024-12-02 14:36:29,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 14:36:29,279 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:36:29,279 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:36:29,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-12-02 14:36:29,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-02 14:36:29,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 14:36:29,680 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:36:29,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:36:29,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1568833127, now seen corresponding path program 1 times [2024-12-02 14:36:29,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:36:29,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [945984722] [2024-12-02 14:36:29,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:36:29,680 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:29,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:36:29,682 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:36:29,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-12-02 14:36:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:36:30,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 14:36:30,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:36:30,059 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 [2024-12-02 14:36:30,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-12-02 14:36:30,167 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 29 treesize of output 17 [2024-12-02 14:36:30,190 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:36:30,190 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:36:30,190 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:36:30,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [945984722] [2024-12-02 14:36:30,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [945984722] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:36:30,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:36:30,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:36:30,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303134265] [2024-12-02 14:36:30,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:36:30,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:36:30,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:36:30,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:36:30,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:36:30,191 INFO L87 Difference]: Start difference. First operand 2173 states and 2696 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:36:31,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:36:31,037 INFO L93 Difference]: Finished difference Result 6265 states and 7673 transitions. [2024-12-02 14:36:31,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:36:31,038 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 164 [2024-12-02 14:36:31,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:36:31,045 INFO L225 Difference]: With dead ends: 6265 [2024-12-02 14:36:31,045 INFO L226 Difference]: Without dead ends: 4095 [2024-12-02 14:36:31,047 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:36:31,047 INFO L435 NwaCegarLoop]: 295 mSDtfsCounter, 242 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 1140 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 14:36:31,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 1140 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 14:36:31,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4095 states. [2024-12-02 14:36:31,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4095 to 2533. [2024-12-02 14:36:31,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2533 states, 2364 states have (on average 1.2030456852791878) internal successors, (2844), 2378 states have internal predecessors, (2844), 128 states have call successors, (128), 40 states have call predecessors, (128), 40 states have return successors, (128), 114 states have call predecessors, (128), 128 states have call successors, (128) [2024-12-02 14:36:31,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2533 states to 2533 states and 3100 transitions. [2024-12-02 14:36:31,195 INFO L78 Accepts]: Start accepts. Automaton has 2533 states and 3100 transitions. Word has length 164 [2024-12-02 14:36:31,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:36:31,196 INFO L471 AbstractCegarLoop]: Abstraction has 2533 states and 3100 transitions. [2024-12-02 14:36:31,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:36:31,196 INFO L276 IsEmpty]: Start isEmpty. Operand 2533 states and 3100 transitions. [2024-12-02 14:36:31,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 14:36:31,198 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:36:31,198 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:36:31,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2024-12-02 14:36:31,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:31,399 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:36:31,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:36:31,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1214564733, now seen corresponding path program 1 times [2024-12-02 14:36:31,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:36:31,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [162600669] [2024-12-02 14:36:31,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:36:31,399 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:31,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:36:31,401 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:36:31,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-12-02 14:36:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:36:31,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 14:36:31,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:36:32,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-02 14:36:32,489 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 420 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-12-02 14:36:32,489 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:36:32,572 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:36:32,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [162600669] [2024-12-02 14:36:32,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [162600669] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:36:32,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1806856781] [2024-12-02 14:36:32,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:36:32,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 14:36:32,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 14:36:32,573 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 14:36:32,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-02 14:36:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:36:33,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 14:36:33,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:36:33,895 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 [2024-12-02 14:36:34,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-12-02 14:36:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 9 proven. 427 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-12-02 14:36:34,556 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:36:34,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1806856781] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:36:34,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:36:34,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 19 [2024-12-02 14:36:34,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844289772] [2024-12-02 14:36:34,590 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 14:36:34,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-12-02 14:36:34,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:36:34,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-12-02 14:36:34,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=395, Unknown=0, NotChecked=0, Total=462 [2024-12-02 14:36:34,592 INFO L87 Difference]: Start difference. First operand 2533 states and 3100 transitions. Second operand has 20 states, 17 states have (on average 7.235294117647059) internal successors, (123), 16 states have internal predecessors, (123), 7 states have call successors, (40), 6 states have call predecessors, (40), 7 states have return successors, (40), 5 states have call predecessors, (40), 7 states have call successors, (40) [2024-12-02 14:36:36,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:36:36,990 INFO L93 Difference]: Finished difference Result 4431 states and 5385 transitions. [2024-12-02 14:36:36,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 14:36:36,991 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 7.235294117647059) internal successors, (123), 16 states have internal predecessors, (123), 7 states have call successors, (40), 6 states have call predecessors, (40), 7 states have return successors, (40), 5 states have call predecessors, (40), 7 states have call successors, (40) Word has length 164 [2024-12-02 14:36:36,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:36:36,995 INFO L225 Difference]: With dead ends: 4431 [2024-12-02 14:36:36,995 INFO L226 Difference]: Without dead ends: 1901 [2024-12-02 14:36:36,997 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=247, Invalid=1013, Unknown=0, NotChecked=0, Total=1260 [2024-12-02 14:36:36,998 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 406 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:36:36,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 1121 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 14:36:36,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1901 states. [2024-12-02 14:36:37,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1901 to 1841. [2024-12-02 14:36:37,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1672 states have (on average 1.1578947368421053) internal successors, (1936), 1686 states have internal predecessors, (1936), 128 states have call successors, (128), 40 states have call predecessors, (128), 40 states have return successors, (128), 114 states have call predecessors, (128), 128 states have call successors, (128) [2024-12-02 14:36:37,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2192 transitions. [2024-12-02 14:36:37,141 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2192 transitions. Word has length 164 [2024-12-02 14:36:37,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:36:37,141 INFO L471 AbstractCegarLoop]: Abstraction has 1841 states and 2192 transitions. [2024-12-02 14:36:37,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 7.235294117647059) internal successors, (123), 16 states have internal predecessors, (123), 7 states have call successors, (40), 6 states have call predecessors, (40), 7 states have return successors, (40), 5 states have call predecessors, (40), 7 states have call successors, (40) [2024-12-02 14:36:37,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2192 transitions. [2024-12-02 14:36:37,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 14:36:37,142 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:36:37,143 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:36:37,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-02 14:36:37,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2024-12-02 14:36:37,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:37,543 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:36:37,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:36:37,544 INFO L85 PathProgramCache]: Analyzing trace with hash 182975995, now seen corresponding path program 1 times [2024-12-02 14:36:37,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:36:37,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704162390] [2024-12-02 14:36:37,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:36:37,544 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:37,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:36:37,546 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:36:37,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2024-12-02 14:36:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:36:37,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:36:37,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:36:37,864 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 14:36:37,865 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:36:37,865 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:36:37,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704162390] [2024-12-02 14:36:37,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [704162390] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:36:37,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:36:37,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:36:37,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972384894] [2024-12-02 14:36:37,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:36:37,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:36:37,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:36:37,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:36:37,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:36:37,866 INFO L87 Difference]: Start difference. First operand 1841 states and 2192 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 14:36:38,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:36:38,003 INFO L93 Difference]: Finished difference Result 3679 states and 4381 transitions. [2024-12-02 14:36:38,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:36:38,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 164 [2024-12-02 14:36:38,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:36:38,010 INFO L225 Difference]: With dead ends: 3679 [2024-12-02 14:36:38,010 INFO L226 Difference]: Without dead ends: 1841 [2024-12-02 14:36:38,012 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:36:38,013 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:36:38,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 403 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:36:38,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2024-12-02 14:36:38,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1841. [2024-12-02 14:36:38,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1672 states have (on average 1.1566985645933014) internal successors, (1934), 1686 states have internal predecessors, (1934), 128 states have call successors, (128), 40 states have call predecessors, (128), 40 states have return successors, (128), 114 states have call predecessors, (128), 128 states have call successors, (128) [2024-12-02 14:36:38,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2190 transitions. [2024-12-02 14:36:38,140 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2190 transitions. Word has length 164 [2024-12-02 14:36:38,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:36:38,140 INFO L471 AbstractCegarLoop]: Abstraction has 1841 states and 2190 transitions. [2024-12-02 14:36:38,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 14:36:38,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2190 transitions. [2024-12-02 14:36:38,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 14:36:38,141 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:36:38,142 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:36:38,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Ended with exit code 0 [2024-12-02 14:36:38,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:38,342 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:36:38,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:36:38,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1159487160, now seen corresponding path program 1 times [2024-12-02 14:36:38,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:36:38,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [247841544] [2024-12-02 14:36:38,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:36:38,343 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:38,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:36:38,344 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:36:38,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2024-12-02 14:36:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:36:38,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 14:36:38,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:36:38,783 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:36:38,783 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:36:38,783 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:36:38,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [247841544] [2024-12-02 14:36:38,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [247841544] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:36:38,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:36:38,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:36:38,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682193416] [2024-12-02 14:36:38,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:36:38,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:36:38,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:36:38,784 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:36:38,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:36:38,784 INFO L87 Difference]: Start difference. First operand 1841 states and 2190 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:36:38,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:36:38,972 INFO L93 Difference]: Finished difference Result 3743 states and 4457 transitions. [2024-12-02 14:36:38,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:36:38,972 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 165 [2024-12-02 14:36:38,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:36:38,979 INFO L225 Difference]: With dead ends: 3743 [2024-12-02 14:36:38,979 INFO L226 Difference]: Without dead ends: 1905 [2024-12-02 14:36:38,981 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:36:38,982 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:36:38,982 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 654 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:36:38,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1905 states. [2024-12-02 14:36:39,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1905 to 1857. [2024-12-02 14:36:39,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1857 states, 1688 states have (on average 1.15521327014218) internal successors, (1950), 1702 states have internal predecessors, (1950), 128 states have call successors, (128), 40 states have call predecessors, (128), 40 states have return successors, (128), 114 states have call predecessors, (128), 128 states have call successors, (128) [2024-12-02 14:36:39,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1857 states and 2206 transitions. [2024-12-02 14:36:39,105 INFO L78 Accepts]: Start accepts. Automaton has 1857 states and 2206 transitions. Word has length 165 [2024-12-02 14:36:39,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:36:39,105 INFO L471 AbstractCegarLoop]: Abstraction has 1857 states and 2206 transitions. [2024-12-02 14:36:39,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:36:39,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2206 transitions. [2024-12-02 14:36:39,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 14:36:39,106 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:36:39,106 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:36:39,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Ended with exit code 0 [2024-12-02 14:36:39,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:39,307 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:36:39,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:36:39,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1860551738, now seen corresponding path program 1 times [2024-12-02 14:36:39,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:36:39,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [376569357] [2024-12-02 14:36:39,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:36:39,308 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:36:39,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:36:39,309 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:36:39,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2024-12-02 14:36:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:36:39,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-02 14:36:39,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:36:42,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2024-12-02 14:36:42,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-12-02 14:36:42,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-02 14:36:42,924 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 18 proven. 617 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-12-02 14:36:42,924 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:36:45,750 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:36:45,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [376569357] [2024-12-02 14:36:45,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [376569357] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:36:45,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [919633053] [2024-12-02 14:36:45,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:36:45,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 14:36:45,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 14:36:45,752 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 14:36:45,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-02 14:36:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:36:46,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-02 14:36:46,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:36:48,211 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 [2024-12-02 14:36:50,974 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 [2024-12-02 14:36:52,293 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 [2024-12-02 14:36:55,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-12-02 14:36:55,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-12-02 14:36:56,295 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 16 proven. 620 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-02 14:36:56,295 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:37:12,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [919633053] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:37:12,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:37:12,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 21] total 44 [2024-12-02 14:37:12,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760732909] [2024-12-02 14:37:12,350 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 14:37:12,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-12-02 14:37:12,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:37:12,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-12-02 14:37:12,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=2455, Unknown=0, NotChecked=0, Total=2652 [2024-12-02 14:37:12,351 INFO L87 Difference]: Start difference. First operand 1857 states and 2206 transitions. Second operand has 45 states, 38 states have (on average 4.052631578947368) internal successors, (154), 37 states have internal predecessors, (154), 16 states have call successors, (40), 15 states have call predecessors, (40), 16 states have return successors, (40), 10 states have call predecessors, (40), 16 states have call successors, (40) [2024-12-02 14:37:57,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:37:57,488 INFO L93 Difference]: Finished difference Result 3755 states and 4384 transitions. [2024-12-02 14:37:57,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-12-02 14:37:57,489 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 38 states have (on average 4.052631578947368) internal successors, (154), 37 states have internal predecessors, (154), 16 states have call successors, (40), 15 states have call predecessors, (40), 16 states have return successors, (40), 10 states have call predecessors, (40), 16 states have call successors, (40) Word has length 165 [2024-12-02 14:37:57,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:37:57,495 INFO L225 Difference]: With dead ends: 3755 [2024-12-02 14:37:57,495 INFO L226 Difference]: Without dead ends: 2549 [2024-12-02 14:37:57,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 354 SyntacticMatches, 2 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2006 ImplicationChecksByTransitivity, 46.8s TimeCoverageRelationStatistics Valid=1021, Invalid=6289, Unknown=0, NotChecked=0, Total=7310 [2024-12-02 14:37:57,497 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 1748 mSDsluCounter, 1842 mSDsCounter, 0 mSdLazyCounter, 1577 mSolverCounterSat, 360 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1748 SdHoareTripleChecker+Valid, 1939 SdHoareTripleChecker+Invalid, 1937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 360 IncrementalHoareTripleChecker+Valid, 1577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:37:57,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1748 Valid, 1939 Invalid, 1937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [360 Valid, 1577 Invalid, 0 Unknown, 0 Unchecked, 18.6s Time] [2024-12-02 14:37:57,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2549 states. [2024-12-02 14:37:57,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2549 to 1517. [2024-12-02 14:37:57,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1517 states, 1374 states have (on average 1.1557496360989812) internal successors, (1588), 1380 states have internal predecessors, (1588), 92 states have call successors, (92), 50 states have call predecessors, (92), 50 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-12-02 14:37:57,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 1772 transitions. [2024-12-02 14:37:57,672 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 1772 transitions. Word has length 165 [2024-12-02 14:37:57,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:37:57,672 INFO L471 AbstractCegarLoop]: Abstraction has 1517 states and 1772 transitions. [2024-12-02 14:37:57,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 38 states have (on average 4.052631578947368) internal successors, (154), 37 states have internal predecessors, (154), 16 states have call successors, (40), 15 states have call predecessors, (40), 16 states have return successors, (40), 10 states have call predecessors, (40), 16 states have call successors, (40) [2024-12-02 14:37:57,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1772 transitions. [2024-12-02 14:37:57,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 14:37:57,673 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:37:57,673 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:37:57,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-12-02 14:37:57,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Ended with exit code 0 [2024-12-02 14:37:58,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:37:58,074 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:37:58,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:37:58,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1720003128, now seen corresponding path program 1 times [2024-12-02 14:37:58,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:37:58,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1166537595] [2024-12-02 14:37:58,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:37:58,074 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:37:58,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:37:58,076 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:37:58,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2024-12-02 14:37:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:37:58,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 14:37:58,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:38:13,785 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 36 treesize of output 28 [2024-12-02 14:38:13,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2024-12-02 14:38:13,831 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 37 treesize of output 25 [2024-12-02 14:38:19,347 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 6 proven. 590 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-12-02 14:38:19,348 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:38:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:38:29,573 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:38:29,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1166537595] [2024-12-02 14:38:29,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1166537595] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:38:29,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:38:29,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2024-12-02 14:38:29,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230222601] [2024-12-02 14:38:29,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:38:29,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:38:29,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:38:29,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:38:29,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=195, Unknown=1, NotChecked=0, Total=240 [2024-12-02 14:38:29,575 INFO L87 Difference]: Start difference. First operand 1517 states and 1772 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:38:34,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:38:34,558 INFO L93 Difference]: Finished difference Result 3443 states and 4020 transitions. [2024-12-02 14:38:34,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:38:34,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 165 [2024-12-02 14:38:34,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:38:34,568 INFO L225 Difference]: With dead ends: 3443 [2024-12-02 14:38:34,568 INFO L226 Difference]: Without dead ends: 1929 [2024-12-02 14:38:34,570 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=49, Invalid=222, Unknown=1, NotChecked=0, Total=272 [2024-12-02 14:38:34,571 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 84 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-12-02 14:38:34,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 437 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-12-02 14:38:34,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1929 states. [2024-12-02 14:38:34,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1929 to 1672. [2024-12-02 14:38:34,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1529 states have (on average 1.1641595814257686) internal successors, (1780), 1535 states have internal predecessors, (1780), 92 states have call successors, (92), 50 states have call predecessors, (92), 50 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-12-02 14:38:34,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 1964 transitions. [2024-12-02 14:38:34,757 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 1964 transitions. Word has length 165 [2024-12-02 14:38:34,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:38:34,757 INFO L471 AbstractCegarLoop]: Abstraction has 1672 states and 1964 transitions. [2024-12-02 14:38:34,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:38:34,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1964 transitions. [2024-12-02 14:38:34,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 14:38:34,759 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:38:34,759 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:38:34,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Ended with exit code 0 [2024-12-02 14:38:34,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:38:34,959 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:38:34,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:38:34,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1809264774, now seen corresponding path program 1 times [2024-12-02 14:38:34,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:38:34,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [845128855] [2024-12-02 14:38:34,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:38:34,960 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:38:34,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:38:34,962 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:38:34,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2024-12-02 14:38:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:38:35,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-02 14:38:35,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:39:03,868 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 [2024-12-02 14:39:05,292 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 37 treesize of output 33 [2024-12-02 14:39:09,282 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 123 treesize of output 107 [2024-12-02 14:39:09,332 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 120 treesize of output 100 [2024-12-02 14:39:09,379 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 98 treesize of output 82 [2024-12-02 14:39:09,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 69 [2024-12-02 14:39:12,307 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 45 proven. 333 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2024-12-02 14:39:12,307 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:39:17,928 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 14:39:17,928 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:39:17,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [845128855] [2024-12-02 14:39:17,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [845128855] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:39:17,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:39:17,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [22] total 26 [2024-12-02 14:39:17,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628497890] [2024-12-02 14:39:17,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:39:17,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 14:39:17,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:39:17,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 14:39:17,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2024-12-02 14:39:17,930 INFO L87 Difference]: Start difference. First operand 1672 states and 1964 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:39:22,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:39:22,668 INFO L93 Difference]: Finished difference Result 3062 states and 3610 transitions. [2024-12-02 14:39:22,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 14:39:22,669 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 165 [2024-12-02 14:39:22,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:39:22,676 INFO L225 Difference]: With dead ends: 3062 [2024-12-02 14:39:22,677 INFO L226 Difference]: Without dead ends: 1959 [2024-12-02 14:39:22,679 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2024-12-02 14:39:22,679 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 75 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1141 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-12-02 14:39:22,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1141 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-12-02 14:39:22,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1959 states. [2024-12-02 14:39:23,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1959 to 1648. [2024-12-02 14:39:23,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1648 states, 1505 states have (on average 1.1627906976744187) internal successors, (1750), 1511 states have internal predecessors, (1750), 92 states have call successors, (92), 50 states have call predecessors, (92), 50 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-12-02 14:39:23,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 1934 transitions. [2024-12-02 14:39:23,050 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 1934 transitions. Word has length 165 [2024-12-02 14:39:23,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:39:23,050 INFO L471 AbstractCegarLoop]: Abstraction has 1648 states and 1934 transitions. [2024-12-02 14:39:23,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 14:39:23,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 1934 transitions. [2024-12-02 14:39:23,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 14:39:23,051 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:39:23,051 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:39:23,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Ended with exit code 0 [2024-12-02 14:39:23,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:39:23,252 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:39:23,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:39:23,252 INFO L85 PathProgramCache]: Analyzing trace with hash -536907009, now seen corresponding path program 1 times [2024-12-02 14:39:23,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:39:23,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1659191631] [2024-12-02 14:39:23,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:39:23,253 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:39:23,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:39:23,254 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:39:23,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2024-12-02 14:39:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:39:23,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 14:39:23,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:39:46,455 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 [2024-12-02 14:39:50,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 89 [2024-12-02 14:39:50,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 75 [2024-12-02 14:39:52,023 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 14:39:52,023 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:39:58,517 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:39:58,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1659191631] [2024-12-02 14:39:58,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1659191631] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:39:58,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [178145590] [2024-12-02 14:39:58,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:39:58,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 14:39:58,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 14:39:58,521 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 14:39:58,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-02 14:40:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:40:00,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 14:40:00,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:40:33,853 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 [2024-12-02 14:40:46,183 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 [2024-12-02 14:40:51,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 89 [2024-12-02 14:40:51,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 75 [2024-12-02 14:40:51,775 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 14:40:51,776 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:40:54,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [178145590] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:40:54,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:40:54,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2024-12-02 14:40:54,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830209978] [2024-12-02 14:40:54,664 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 14:40:54,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-02 14:40:54,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:40:54,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-02 14:40:54,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=635, Unknown=0, NotChecked=0, Total=756 [2024-12-02 14:40:54,665 INFO L87 Difference]: Start difference. First operand 1648 states and 1934 transitions. Second operand has 23 states, 21 states have (on average 6.666666666666667) internal successors, (140), 20 states have internal predecessors, (140), 4 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-12-02 14:41:33,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:41:33,466 INFO L93 Difference]: Finished difference Result 2596 states and 3031 transitions. [2024-12-02 14:41:33,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-02 14:41:33,467 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 6.666666666666667) internal successors, (140), 20 states have internal predecessors, (140), 4 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 166 [2024-12-02 14:41:33,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:41:33,476 INFO L225 Difference]: With dead ends: 2596 [2024-12-02 14:41:33,476 INFO L226 Difference]: Without dead ends: 2594 [2024-12-02 14:41:33,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 378 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 28.5s TimeCoverageRelationStatistics Valid=384, Invalid=1596, Unknown=0, NotChecked=0, Total=1980 [2024-12-02 14:41:33,478 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 374 mSDsluCounter, 2248 mSDsCounter, 0 mSdLazyCounter, 1285 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 2458 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 1285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:41:33,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 2458 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 1285 Invalid, 0 Unknown, 0 Unchecked, 27.4s Time] [2024-12-02 14:41:33,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2594 states. [2024-12-02 14:41:33,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2594 to 1650. [2024-12-02 14:41:33,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1650 states, 1507 states have (on average 1.1625746516257465) internal successors, (1752), 1513 states have internal predecessors, (1752), 92 states have call successors, (92), 50 states have call predecessors, (92), 50 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-12-02 14:41:33,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1650 states and 1936 transitions. [2024-12-02 14:41:33,792 INFO L78 Accepts]: Start accepts. Automaton has 1650 states and 1936 transitions. Word has length 166 [2024-12-02 14:41:33,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:41:33,792 INFO L471 AbstractCegarLoop]: Abstraction has 1650 states and 1936 transitions. [2024-12-02 14:41:33,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 6.666666666666667) internal successors, (140), 20 states have internal predecessors, (140), 4 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-12-02 14:41:33,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 1936 transitions. [2024-12-02 14:41:33,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 14:41:33,793 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:41:33,793 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:41:33,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2024-12-02 14:41:34,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-02 14:41:34,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 14:41:34,194 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:41:34,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:41:34,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1708672445, now seen corresponding path program 1 times [2024-12-02 14:41:34,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:41:34,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [96950867] [2024-12-02 14:41:34,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:41:34,195 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:41:34,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:41:34,196 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:41:34,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2024-12-02 14:41:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:41:34,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 14:41:34,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:41:35,326 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 14:41:35,327 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:41:35,327 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:41:35,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [96950867] [2024-12-02 14:41:35,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [96950867] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:41:35,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:41:35,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:41:35,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124860207] [2024-12-02 14:41:35,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:41:35,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:41:35,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:41:35,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:41:35,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:41:35,328 INFO L87 Difference]: Start difference. First operand 1650 states and 1936 transitions. Second operand has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 2 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 14:41:39,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:41:39,079 INFO L93 Difference]: Finished difference Result 2526 states and 2956 transitions. [2024-12-02 14:41:39,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:41:39,080 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 2 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 166 [2024-12-02 14:41:39,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:41:39,082 INFO L225 Difference]: With dead ends: 2526 [2024-12-02 14:41:39,082 INFO L226 Difference]: Without dead ends: 867 [2024-12-02 14:41:39,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:41:39,084 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 1 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:41:39,084 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 533 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-12-02 14:41:39,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2024-12-02 14:41:39,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 843. [2024-12-02 14:41:39,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 770 states have (on average 1.1597402597402597) internal successors, (893), 772 states have internal predecessors, (893), 46 states have call successors, (46), 26 states have call predecessors, (46), 26 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-12-02 14:41:39,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 985 transitions. [2024-12-02 14:41:39,240 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 985 transitions. Word has length 166 [2024-12-02 14:41:39,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:41:39,240 INFO L471 AbstractCegarLoop]: Abstraction has 843 states and 985 transitions. [2024-12-02 14:41:39,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 2 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 14:41:39,240 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 985 transitions. [2024-12-02 14:41:39,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-12-02 14:41:39,242 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:41:39,242 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:41:39,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Ended with exit code 0 [2024-12-02 14:41:39,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:41:39,442 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:41:39,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:41:39,443 INFO L85 PathProgramCache]: Analyzing trace with hash -2058454557, now seen corresponding path program 1 times [2024-12-02 14:41:39,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:41:39,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2128575186] [2024-12-02 14:41:39,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:41:39,444 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:41:39,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:41:39,446 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:41:39,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2024-12-02 14:41:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:41:39,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 14:41:40,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:41:40,045 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 [2024-12-02 14:41:41,830 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 24 treesize of output 16 [2024-12-02 14:41:41,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2024-12-02 14:41:42,249 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 1659 proven. 0 refuted. 0 times theorem prover too weak. 1527 trivial. 0 not checked. [2024-12-02 14:41:42,249 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:41:42,250 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:41:42,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2128575186] [2024-12-02 14:41:42,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2128575186] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:41:42,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:41:42,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:41:42,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335598834] [2024-12-02 14:41:42,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:41:42,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:41:42,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:41:42,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:41:42,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:41:42,252 INFO L87 Difference]: Start difference. First operand 843 states and 985 transitions. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 14:41:47,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:41:47,268 INFO L93 Difference]: Finished difference Result 2138 states and 2472 transitions. [2024-12-02 14:41:47,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:41:47,269 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 312 [2024-12-02 14:41:47,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:41:47,273 INFO L225 Difference]: With dead ends: 2138 [2024-12-02 14:41:47,273 INFO L226 Difference]: Without dead ends: 1298 [2024-12-02 14:41:47,274 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:41:47,275 INFO L435 NwaCegarLoop]: 330 mSDtfsCounter, 239 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 1148 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:41:47,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 1148 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-12-02 14:41:47,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1298 states. [2024-12-02 14:41:47,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1298 to 843. [2024-12-02 14:41:47,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 770 states have (on average 1.1506493506493507) internal successors, (886), 772 states have internal predecessors, (886), 46 states have call successors, (46), 26 states have call predecessors, (46), 26 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-12-02 14:41:47,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 978 transitions. [2024-12-02 14:41:47,413 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 978 transitions. Word has length 312 [2024-12-02 14:41:47,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:41:47,413 INFO L471 AbstractCegarLoop]: Abstraction has 843 states and 978 transitions. [2024-12-02 14:41:47,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 14:41:47,413 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 978 transitions. [2024-12-02 14:41:47,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-12-02 14:41:47,415 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:41:47,415 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:41:47,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Ended with exit code 0 [2024-12-02 14:41:47,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:41:47,615 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:41:47,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:41:47,616 INFO L85 PathProgramCache]: Analyzing trace with hash 842580924, now seen corresponding path program 1 times [2024-12-02 14:41:47,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:41:47,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [652326239] [2024-12-02 14:41:47,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:41:47,616 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:41:47,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:41:47,618 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:41:47,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2024-12-02 14:41:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:41:48,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 14:41:48,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:42:25,243 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 50 treesize of output 38 [2024-12-02 14:42:25,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2024-12-02 14:42:25,325 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 23 treesize of output 19 [2024-12-02 14:42:31,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-12-02 14:42:54,275 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 47 proven. 2199 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2024-12-02 14:42:54,276 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:42:55,607 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:42:55,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [652326239] [2024-12-02 14:42:55,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [652326239] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:42:55,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1731102190] [2024-12-02 14:42:55,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:42:55,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 14:42:55,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 14:42:55,610 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 14:42:55,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb597b1b-376a-4e8e-b9cc-69c9fc2c383d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-02 14:42:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:42:57,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-02 14:42:57,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:45:47,409 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 50 treesize of output 38 [2024-12-02 14:45:47,465 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 27 treesize of output 23 [2024-12-02 14:45:52,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-12-02 14:45:53,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-02 14:45:53,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2024-12-02 14:46:29,473 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 8 treesize of output 4 [2024-12-02 14:46:29,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-12-02 14:48:14,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 53 proven. 2158 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2024-12-02 14:48:14,812 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:48:20,526 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 16 treesize of output 12 [2024-12-02 14:48:29,219 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 68 treesize of output 60 [2024-12-02 14:48:29,292 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 54 treesize of output 50 [2024-12-02 14:48:37,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1731102190] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:48:37,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:48:37,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 29] total 47 [2024-12-02 14:48:37,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375822379] [2024-12-02 14:48:37,258 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 14:48:37,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-12-02 14:48:37,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:48:37,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-12-02 14:48:37,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=2764, Unknown=2, NotChecked=0, Total=2970 [2024-12-02 14:48:37,260 INFO L87 Difference]: Start difference. First operand 843 states and 978 transitions. Second operand has 48 states, 40 states have (on average 6.6) internal successors, (264), 38 states have internal predecessors, (264), 16 states have call successors, (80), 13 states have call predecessors, (80), 16 states have return successors, (80), 12 states have call predecessors, (80), 16 states have call successors, (80)