./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-62.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_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/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_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/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_2ef84fe9-a7bf-4d37-b972-b8827e285171/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 e13ee54c81e57197c9e1d82387e2e01bbf563310cc95985b0138918208043d56 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:31:18,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:31:18,602 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 12:31:18,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:31:18,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:31:18,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:31:18,630 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:31:18,630 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:31:18,630 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:31:18,630 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:31:18,630 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:31:18,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:31:18,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:31:18,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:31:18,631 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:31:18,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:31:18,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:31:18,631 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:31:18,631 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:31:18,631 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:31:18,632 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:31:18,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:31:18,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:31:18,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:31:18,632 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:31:18,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:31:18,632 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:31:18,632 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:31:18,632 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:31:18,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:31:18,632 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:31:18,632 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:31:18,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:31:18,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:31:18,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:31:18,633 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:31:18,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:31:18,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:31:18,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:31:18,633 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:31:18,633 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:31:18,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:31:18,634 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:31:18,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:31:18,634 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:31:18,634 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:31:18,634 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:31:18,634 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:31:18,634 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_2ef84fe9-a7bf-4d37-b972-b8827e285171/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 -> e13ee54c81e57197c9e1d82387e2e01bbf563310cc95985b0138918208043d56 [2024-12-02 12:31:18,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:31:18,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:31:18,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:31:18,895 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:31:18,895 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:31:18,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-62.i [2024-12-02 12:31:21,477 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/data/8e50f0e85/3e3587490801401e8c36030f28592cf9/FLAGa228f2695 [2024-12-02 12:31:21,688 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:31:21,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-62.i [2024-12-02 12:31:21,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/data/8e50f0e85/3e3587490801401e8c36030f28592cf9/FLAGa228f2695 [2024-12-02 12:31:22,061 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/data/8e50f0e85/3e3587490801401e8c36030f28592cf9 [2024-12-02 12:31:22,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:31:22,063 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:31:22,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:31:22,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:31:22,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:31:22,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:31:22" (1/1) ... [2024-12-02 12:31:22,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@171aa1b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:22, skipping insertion in model container [2024-12-02 12:31:22,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:31:22" (1/1) ... [2024-12-02 12:31:22,079 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:31:22,174 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_2ef84fe9-a7bf-4d37-b972-b8827e285171/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-62.i[916,929] [2024-12-02 12:31:22,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:31:22,215 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:31:22,222 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_2ef84fe9-a7bf-4d37-b972-b8827e285171/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-62.i[916,929] [2024-12-02 12:31:22,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:31:22,255 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:31:22,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:22 WrapperNode [2024-12-02 12:31:22,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:31:22,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:31:22,256 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:31:22,256 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:31:22,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:22" (1/1) ... [2024-12-02 12:31:22,266 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:22" (1/1) ... [2024-12-02 12:31:22,288 INFO L138 Inliner]: procedures = 26, calls = 111, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 329 [2024-12-02 12:31:22,288 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:31:22,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:31:22,289 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:31:22,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:31:22,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:22" (1/1) ... [2024-12-02 12:31:22,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:22" (1/1) ... [2024-12-02 12:31:22,301 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:22" (1/1) ... [2024-12-02 12:31:22,315 INFO L175 MemorySlicer]: Split 87 memory accesses to 6 slices as follows [2, 10, 29, 26, 4, 16]. 33 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 1, 3, 3, 1, 2]. The 14 writes are split as follows [0, 1, 4, 6, 1, 2]. [2024-12-02 12:31:22,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:22" (1/1) ... [2024-12-02 12:31:22,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:22" (1/1) ... [2024-12-02 12:31:22,328 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:22" (1/1) ... [2024-12-02 12:31:22,329 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:22" (1/1) ... [2024-12-02 12:31:22,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:22" (1/1) ... [2024-12-02 12:31:22,334 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:22" (1/1) ... [2024-12-02 12:31:22,335 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:22" (1/1) ... [2024-12-02 12:31:22,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:31:22,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:31:22,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:31:22,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:31:22,340 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:22" (1/1) ... [2024-12-02 12:31:22,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:31:22,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:31:22,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:31:22,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:31:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:31:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 12:31:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 12:31:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 12:31:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 12:31:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 12:31:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 12:31:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 12:31:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 12:31:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 12:31:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 12:31:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 12:31:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 12:31:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:31:22,395 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:31:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:31:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 12:31:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 12:31:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 12:31:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 12:31:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 12:31:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:31:22,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:31:22,487 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:31:22,489 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:31:22,784 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2024-12-02 12:31:22,784 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:31:22,792 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:31:22,792 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 12:31:22,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:31:22 BoogieIcfgContainer [2024-12-02 12:31:22,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:31:22,795 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:31:22,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:31:22,798 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:31:22,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:31:22" (1/3) ... [2024-12-02 12:31:22,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29a3e2b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:31:22, skipping insertion in model container [2024-12-02 12:31:22,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:31:22" (2/3) ... [2024-12-02 12:31:22,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29a3e2b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:31:22, skipping insertion in model container [2024-12-02 12:31:22,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:31:22" (3/3) ... [2024-12-02 12:31:22,800 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-62.i [2024-12-02 12:31:22,810 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:31:22,811 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-62.i that has 2 procedures, 73 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 12:31:22,852 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:31:22,861 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;@13e101e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:31:22,861 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:31:22,864 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 62 states have (on average 1.4193548387096775) internal successors, (88), 63 states have internal predecessors, (88), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 12:31:22,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 12:31:22,870 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:22,871 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:22,871 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:22,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:22,875 INFO L85 PathProgramCache]: Analyzing trace with hash 40765512, now seen corresponding path program 1 times [2024-12-02 12:31:22,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:22,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747542436] [2024-12-02 12:31:22,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:22,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:23,090 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-12-02 12:31:23,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:23,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747542436] [2024-12-02 12:31:23,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747542436] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:31:23,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258195313] [2024-12-02 12:31:23,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:23,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:31:23,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:31:23,093 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:31:23,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:31:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:23,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:31:23,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:31:23,257 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-12-02 12:31:23,257 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:31:23,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258195313] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:23,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:31:23,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 12:31:23,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234430914] [2024-12-02 12:31:23,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:23,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:31:23,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:23,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:31:23,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:31:23,278 INFO L87 Difference]: Start difference. First operand has 73 states, 62 states have (on average 1.4193548387096775) internal successors, (88), 63 states have internal predecessors, (88), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 12:31:23,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:23,298 INFO L93 Difference]: Finished difference Result 139 states and 210 transitions. [2024-12-02 12:31:23,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:31:23,299 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 73 [2024-12-02 12:31:23,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:23,304 INFO L225 Difference]: With dead ends: 139 [2024-12-02 12:31:23,304 INFO L226 Difference]: Without dead ends: 69 [2024-12-02 12:31:23,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 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 12:31:23,309 INFO L435 NwaCegarLoop]: 97 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, 97 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 12:31:23,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:31:23,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-12-02 12:31:23,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-12-02 12:31:23,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 59 states have internal predecessors, (81), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 12:31:23,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2024-12-02 12:31:23,338 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 73 [2024-12-02 12:31:23,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:23,338 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2024-12-02 12:31:23,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 12:31:23,339 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2024-12-02 12:31:23,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 12:31:23,341 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:23,341 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:23,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:31:23,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:31:23,542 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:23,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:23,542 INFO L85 PathProgramCache]: Analyzing trace with hash 2068201528, now seen corresponding path program 1 times [2024-12-02 12:31:23,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:23,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082353652] [2024-12-02 12:31:23,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:23,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:23,732 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:23,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:23,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082353652] [2024-12-02 12:31:23,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082353652] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:23,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:31:23,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:31:23,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915104756] [2024-12-02 12:31:23,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:23,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:31:23,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:23,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:31:23,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:31:23,735 INFO L87 Difference]: Start difference. First operand 69 states and 97 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:23,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:23,772 INFO L93 Difference]: Finished difference Result 138 states and 195 transitions. [2024-12-02 12:31:23,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:31:23,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 73 [2024-12-02 12:31:23,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:23,774 INFO L225 Difference]: With dead ends: 138 [2024-12-02 12:31:23,774 INFO L226 Difference]: Without dead ends: 72 [2024-12-02 12:31:23,775 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 12:31:23,775 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 1 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:23,776 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 271 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:31:23,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-12-02 12:31:23,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 71. [2024-12-02 12:31:23,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 61 states have (on average 1.360655737704918) internal successors, (83), 61 states have internal predecessors, (83), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 12:31:23,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2024-12-02 12:31:23,782 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 73 [2024-12-02 12:31:23,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:23,783 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2024-12-02 12:31:23,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:23,783 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2024-12-02 12:31:23,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 12:31:23,784 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:23,784 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:23,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:31:23,784 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:23,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:23,785 INFO L85 PathProgramCache]: Analyzing trace with hash -451758406, now seen corresponding path program 1 times [2024-12-02 12:31:23,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:23,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103755484] [2024-12-02 12:31:23,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:23,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:23,921 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:23,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:23,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103755484] [2024-12-02 12:31:23,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103755484] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:23,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:31:23,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:31:23,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508104343] [2024-12-02 12:31:23,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:23,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:31:23,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:23,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:31:23,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:31:23,923 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:23,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:23,953 INFO L93 Difference]: Finished difference Result 142 states and 199 transitions. [2024-12-02 12:31:23,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:31:23,953 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 73 [2024-12-02 12:31:23,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:23,955 INFO L225 Difference]: With dead ends: 142 [2024-12-02 12:31:23,955 INFO L226 Difference]: Without dead ends: 74 [2024-12-02 12:31:23,955 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 12:31:23,956 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 1 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:23,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 274 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:31:23,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-12-02 12:31:23,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2024-12-02 12:31:23,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 63 states have (on average 1.3492063492063493) internal successors, (85), 63 states have internal predecessors, (85), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 12:31:23,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2024-12-02 12:31:23,963 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 73 [2024-12-02 12:31:23,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:23,963 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2024-12-02 12:31:23,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:23,963 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2024-12-02 12:31:23,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 12:31:23,964 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:23,965 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:23,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:31:23,965 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:23,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:23,965 INFO L85 PathProgramCache]: Analyzing trace with hash -449911364, now seen corresponding path program 1 times [2024-12-02 12:31:23,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:23,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306173504] [2024-12-02 12:31:23,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:23,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:24,223 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:24,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:24,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306173504] [2024-12-02 12:31:24,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306173504] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:24,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:31:24,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:31:24,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728046349] [2024-12-02 12:31:24,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:24,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:31:24,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:24,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:31:24,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:31:24,225 INFO L87 Difference]: Start difference. First operand 73 states and 101 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:24,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:24,326 INFO L93 Difference]: Finished difference Result 170 states and 236 transitions. [2024-12-02 12:31:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:31:24,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 73 [2024-12-02 12:31:24,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:24,328 INFO L225 Difference]: With dead ends: 170 [2024-12-02 12:31:24,328 INFO L226 Difference]: Without dead ends: 100 [2024-12-02 12:31:24,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:31:24,329 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 87 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:24,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 249 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:31:24,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-12-02 12:31:24,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 73. [2024-12-02 12:31:24,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 63 states have internal predecessors, (84), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 12:31:24,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 100 transitions. [2024-12-02 12:31:24,337 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 100 transitions. Word has length 73 [2024-12-02 12:31:24,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:24,337 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 100 transitions. [2024-12-02 12:31:24,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:24,338 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2024-12-02 12:31:24,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-12-02 12:31:24,339 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:24,339 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:24,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 12:31:24,339 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:24,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:24,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1275248375, now seen corresponding path program 1 times [2024-12-02 12:31:24,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:24,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945677792] [2024-12-02 12:31:24,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:24,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:24,548 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:24,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:24,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945677792] [2024-12-02 12:31:24,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945677792] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:24,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:31:24,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:31:24,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656332331] [2024-12-02 12:31:24,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:24,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:31:24,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:24,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:31:24,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:31:24,549 INFO L87 Difference]: Start difference. First operand 73 states and 100 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:24,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:24,710 INFO L93 Difference]: Finished difference Result 216 states and 298 transitions. [2024-12-02 12:31:24,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:31:24,711 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 75 [2024-12-02 12:31:24,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:24,712 INFO L225 Difference]: With dead ends: 216 [2024-12-02 12:31:24,712 INFO L226 Difference]: Without dead ends: 146 [2024-12-02 12:31:24,713 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 12:31:24,713 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 88 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:24,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 610 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:31:24,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-12-02 12:31:24,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 83. [2024-12-02 12:31:24,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 73 states have (on average 1.3424657534246576) internal successors, (98), 73 states have internal predecessors, (98), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 12:31:24,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 114 transitions. [2024-12-02 12:31:24,722 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 114 transitions. Word has length 75 [2024-12-02 12:31:24,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:24,723 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 114 transitions. [2024-12-02 12:31:24,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:24,723 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 114 transitions. [2024-12-02 12:31:24,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-02 12:31:24,724 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:24,724 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:24,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 12:31:24,725 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:24,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:24,726 INFO L85 PathProgramCache]: Analyzing trace with hash -181576739, now seen corresponding path program 1 times [2024-12-02 12:31:24,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:24,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272551517] [2024-12-02 12:31:24,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:24,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:25,001 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:25,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:25,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272551517] [2024-12-02 12:31:25,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272551517] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:25,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:31:25,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:31:25,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479801434] [2024-12-02 12:31:25,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:25,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:31:25,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:25,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:31:25,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:31:25,003 INFO L87 Difference]: Start difference. First operand 83 states and 114 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 12:31:25,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:25,097 INFO L93 Difference]: Finished difference Result 198 states and 271 transitions. [2024-12-02 12:31:25,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:31:25,098 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 77 [2024-12-02 12:31:25,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:25,099 INFO L225 Difference]: With dead ends: 198 [2024-12-02 12:31:25,099 INFO L226 Difference]: Without dead ends: 118 [2024-12-02 12:31:25,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:31:25,101 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 49 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:25,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 556 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:31:25,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-12-02 12:31:25,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 83. [2024-12-02 12:31:25,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 73 states have (on average 1.3287671232876712) internal successors, (97), 73 states have internal predecessors, (97), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 12:31:25,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 113 transitions. [2024-12-02 12:31:25,109 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 113 transitions. Word has length 77 [2024-12-02 12:31:25,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:25,110 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 113 transitions. [2024-12-02 12:31:25,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 12:31:25,110 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 113 transitions. [2024-12-02 12:31:25,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-02 12:31:25,111 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:25,111 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:25,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 12:31:25,111 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:25,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:25,112 INFO L85 PathProgramCache]: Analyzing trace with hash 738895874, now seen corresponding path program 1 times [2024-12-02 12:31:25,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:25,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849575882] [2024-12-02 12:31:25,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:25,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:25,267 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-02 12:31:25,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:25,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849575882] [2024-12-02 12:31:25,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849575882] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:31:25,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696853499] [2024-12-02 12:31:25,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:25,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:31:25,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:31:25,269 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:31:25,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 12:31:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:25,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 12:31:25,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:31:25,446 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:25,446 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:31:25,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696853499] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:25,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:31:25,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-12-02 12:31:25,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009687781] [2024-12-02 12:31:25,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:25,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:31:25,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:25,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:31:25,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:31:25,448 INFO L87 Difference]: Start difference. First operand 83 states and 113 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:25,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:25,481 INFO L93 Difference]: Finished difference Result 166 states and 227 transitions. [2024-12-02 12:31:25,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:31:25,482 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 77 [2024-12-02 12:31:25,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:25,483 INFO L225 Difference]: With dead ends: 166 [2024-12-02 12:31:25,483 INFO L226 Difference]: Without dead ends: 86 [2024-12-02 12:31:25,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 78 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 12:31:25,484 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 355 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 12:31:25,484 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 355 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:31:25,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-12-02 12:31:25,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-12-02 12:31:25,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 76 states have (on average 1.3157894736842106) internal successors, (100), 76 states have internal predecessors, (100), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 12:31:25,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 116 transitions. [2024-12-02 12:31:25,491 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 116 transitions. Word has length 77 [2024-12-02 12:31:25,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:25,492 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 116 transitions. [2024-12-02 12:31:25,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:25,492 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 116 transitions. [2024-12-02 12:31:25,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-02 12:31:25,493 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:25,493 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:25,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 12:31:25,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-12-02 12:31:25,694 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:25,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:25,694 INFO L85 PathProgramCache]: Analyzing trace with hash -2084098479, now seen corresponding path program 1 times [2024-12-02 12:31:25,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:25,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328695208] [2024-12-02 12:31:25,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:25,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:26,059 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:26,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:26,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328695208] [2024-12-02 12:31:26,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328695208] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:26,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:31:26,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:31:26,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788615109] [2024-12-02 12:31:26,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:26,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:31:26,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:26,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:31:26,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:31:26,061 INFO L87 Difference]: Start difference. First operand 86 states and 116 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 12:31:26,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:26,153 INFO L93 Difference]: Finished difference Result 202 states and 271 transitions. [2024-12-02 12:31:26,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:31:26,153 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 77 [2024-12-02 12:31:26,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:26,154 INFO L225 Difference]: With dead ends: 202 [2024-12-02 12:31:26,154 INFO L226 Difference]: Without dead ends: 119 [2024-12-02 12:31:26,155 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:31:26,155 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 46 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:26,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 454 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:31:26,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-12-02 12:31:26,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 86. [2024-12-02 12:31:26,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 76 states have (on average 1.3026315789473684) internal successors, (99), 76 states have internal predecessors, (99), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 12:31:26,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 115 transitions. [2024-12-02 12:31:26,162 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 115 transitions. Word has length 77 [2024-12-02 12:31:26,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:26,162 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 115 transitions. [2024-12-02 12:31:26,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 12:31:26,163 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 115 transitions. [2024-12-02 12:31:26,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-02 12:31:26,163 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:26,164 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:26,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 12:31:26,164 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:26,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:26,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1933694537, now seen corresponding path program 1 times [2024-12-02 12:31:26,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:26,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787211624] [2024-12-02 12:31:26,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:26,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:26,591 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-02 12:31:26,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:26,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787211624] [2024-12-02 12:31:26,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787211624] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:31:26,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669888093] [2024-12-02 12:31:26,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:26,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:31:26,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:31:26,594 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:31:26,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 12:31:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:26,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 12:31:26,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:31:26,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-12-02 12:31:26,845 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 19 treesize of output 7 [2024-12-02 12:31:26,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 12:31:26,877 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 63 proven. 9 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 12:31:26,877 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:31:26,946 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 23 treesize of output 15 [2024-12-02 12:31:27,122 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-02 12:31:27,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669888093] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:31:27,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:31:27,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 17 [2024-12-02 12:31:27,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764318841] [2024-12-02 12:31:27,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:31:27,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 12:31:27,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:27,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 12:31:27,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2024-12-02 12:31:27,125 INFO L87 Difference]: Start difference. First operand 86 states and 115 transitions. Second operand has 17 states, 15 states have (on average 4.666666666666667) internal successors, (70), 17 states have internal predecessors, (70), 5 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 3 states have call predecessors, (15), 5 states have call successors, (15) [2024-12-02 12:31:27,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:27,607 INFO L93 Difference]: Finished difference Result 232 states and 301 transitions. [2024-12-02 12:31:27,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 12:31:27,608 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 4.666666666666667) internal successors, (70), 17 states have internal predecessors, (70), 5 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 3 states have call predecessors, (15), 5 states have call successors, (15) Word has length 79 [2024-12-02 12:31:27,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:27,609 INFO L225 Difference]: With dead ends: 232 [2024-12-02 12:31:27,609 INFO L226 Difference]: Without dead ends: 149 [2024-12-02 12:31:27,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=540, Unknown=0, NotChecked=0, Total=702 [2024-12-02 12:31:27,610 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 519 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:27,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 500 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:31:27,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-12-02 12:31:27,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 142. [2024-12-02 12:31:27,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 128 states have (on average 1.265625) internal successors, (162), 129 states have internal predecessors, (162), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 12:31:27,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 182 transitions. [2024-12-02 12:31:27,620 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 182 transitions. Word has length 79 [2024-12-02 12:31:27,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:27,620 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 182 transitions. [2024-12-02 12:31:27,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 4.666666666666667) internal successors, (70), 17 states have internal predecessors, (70), 5 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 3 states have call predecessors, (15), 5 states have call successors, (15) [2024-12-02 12:31:27,621 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 182 transitions. [2024-12-02 12:31:27,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-02 12:31:27,622 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:27,622 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:27,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 12:31:27,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-12-02 12:31:27,822 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:27,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:27,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1081409081, now seen corresponding path program 1 times [2024-12-02 12:31:27,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:27,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683868449] [2024-12-02 12:31:27,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:27,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:28,089 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:28,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:28,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683868449] [2024-12-02 12:31:28,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683868449] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:28,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:31:28,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:31:28,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765210263] [2024-12-02 12:31:28,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:28,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:31:28,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:28,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:31:28,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:31:28,091 INFO L87 Difference]: Start difference. First operand 142 states and 182 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:28,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:28,192 INFO L93 Difference]: Finished difference Result 339 states and 434 transitions. [2024-12-02 12:31:28,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:31:28,192 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 79 [2024-12-02 12:31:28,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:28,195 INFO L225 Difference]: With dead ends: 339 [2024-12-02 12:31:28,195 INFO L226 Difference]: Without dead ends: 196 [2024-12-02 12:31:28,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:31:28,196 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 57 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:28,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 471 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:31:28,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-12-02 12:31:28,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 151. [2024-12-02 12:31:28,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 137 states have (on average 1.2627737226277371) internal successors, (173), 138 states have internal predecessors, (173), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 12:31:28,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 193 transitions. [2024-12-02 12:31:28,205 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 193 transitions. Word has length 79 [2024-12-02 12:31:28,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:28,205 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 193 transitions. [2024-12-02 12:31:28,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:28,205 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 193 transitions. [2024-12-02 12:31:28,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-02 12:31:28,206 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:28,206 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:28,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 12:31:28,206 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:28,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:28,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1300263799, now seen corresponding path program 1 times [2024-12-02 12:31:28,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:28,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311644869] [2024-12-02 12:31:28,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:28,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:28,673 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-02 12:31:28,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:28,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311644869] [2024-12-02 12:31:28,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311644869] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:31:28,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982481152] [2024-12-02 12:31:28,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:28,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:31:28,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:31:28,675 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:31:28,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 12:31:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:28,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 12:31:28,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:31:28,812 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 12:31:29,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-12-02 12:31:29,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-02 12:31:29,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-02 12:31:29,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 12:31:29,053 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 19 treesize of output 7 [2024-12-02 12:31:29,072 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 81 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-02 12:31:29,072 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:31:29,230 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 23 treesize of output 11 [2024-12-02 12:31:29,264 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-02 12:31:29,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982481152] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:31:29,264 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:31:29,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2024-12-02 12:31:29,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122297650] [2024-12-02 12:31:29,264 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:31:29,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 12:31:29,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:29,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 12:31:29,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2024-12-02 12:31:29,266 INFO L87 Difference]: Start difference. First operand 151 states and 193 transitions. Second operand has 19 states, 16 states have (on average 5.3125) internal successors, (85), 19 states have internal predecessors, (85), 9 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (20), 6 states have call predecessors, (20), 9 states have call successors, (20) [2024-12-02 12:31:29,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:29,516 INFO L93 Difference]: Finished difference Result 293 states and 377 transitions. [2024-12-02 12:31:29,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 12:31:29,517 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 5.3125) internal successors, (85), 19 states have internal predecessors, (85), 9 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (20), 6 states have call predecessors, (20), 9 states have call successors, (20) Word has length 79 [2024-12-02 12:31:29,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:29,518 INFO L225 Difference]: With dead ends: 293 [2024-12-02 12:31:29,519 INFO L226 Difference]: Without dead ends: 145 [2024-12-02 12:31:29,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-12-02 12:31:29,520 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 183 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:29,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 229 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:31:29,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-12-02 12:31:29,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 141. [2024-12-02 12:31:29,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 127 states have (on average 1.2677165354330708) internal successors, (161), 128 states have internal predecessors, (161), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 12:31:29,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 181 transitions. [2024-12-02 12:31:29,527 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 181 transitions. Word has length 79 [2024-12-02 12:31:29,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:29,528 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 181 transitions. [2024-12-02 12:31:29,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 5.3125) internal successors, (85), 19 states have internal predecessors, (85), 9 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (20), 6 states have call predecessors, (20), 9 states have call successors, (20) [2024-12-02 12:31:29,528 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 181 transitions. [2024-12-02 12:31:29,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 12:31:29,529 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:29,529 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:29,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 12:31:29,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:31:29,730 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:29,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:29,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1925366238, now seen corresponding path program 1 times [2024-12-02 12:31:29,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:29,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492444214] [2024-12-02 12:31:29,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:29,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:30,585 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-02 12:31:30,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:30,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492444214] [2024-12-02 12:31:30,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492444214] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:31:30,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128930255] [2024-12-02 12:31:30,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:30,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:31:30,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:31:30,588 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:31:30,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 12:31:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:30,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 12:31:30,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:31:30,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2024-12-02 12:31:30,938 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 12:31:30,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 42 [2024-12-02 12:31:31,046 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-02 12:31:31,046 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:31:31,331 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:31,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128930255] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 12:31:31,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:31:31,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [15, 11] total 22 [2024-12-02 12:31:31,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872129161] [2024-12-02 12:31:31,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:31,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 12:31:31,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:31,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 12:31:31,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2024-12-02 12:31:31,333 INFO L87 Difference]: Start difference. First operand 141 states and 181 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:31,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:31,665 INFO L93 Difference]: Finished difference Result 291 states and 371 transitions. [2024-12-02 12:31:31,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 12:31:31,666 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 80 [2024-12-02 12:31:31,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:31,667 INFO L225 Difference]: With dead ends: 291 [2024-12-02 12:31:31,667 INFO L226 Difference]: Without dead ends: 153 [2024-12-02 12:31:31,668 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 154 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2024-12-02 12:31:31,668 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 53 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 931 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:31,669 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 931 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:31:31,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-12-02 12:31:31,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 141. [2024-12-02 12:31:31,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 127 states have (on average 1.2598425196850394) internal successors, (160), 128 states have internal predecessors, (160), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 12:31:31,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 180 transitions. [2024-12-02 12:31:31,677 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 180 transitions. Word has length 80 [2024-12-02 12:31:31,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:31,678 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 180 transitions. [2024-12-02 12:31:31,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:31,678 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 180 transitions. [2024-12-02 12:31:31,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 12:31:31,679 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:31,679 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:31,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 12:31:31,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:31:31,879 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:31,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:31,880 INFO L85 PathProgramCache]: Analyzing trace with hash 564162724, now seen corresponding path program 1 times [2024-12-02 12:31:31,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:31,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356243204] [2024-12-02 12:31:31,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:31,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:32,055 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:32,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:32,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356243204] [2024-12-02 12:31:32,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356243204] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:32,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:31:32,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:31:32,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807406464] [2024-12-02 12:31:32,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:32,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:31:32,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:32,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:31:32,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:31:32,057 INFO L87 Difference]: Start difference. First operand 141 states and 180 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:32,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:32,164 INFO L93 Difference]: Finished difference Result 320 states and 408 transitions. [2024-12-02 12:31:32,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:31:32,165 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 80 [2024-12-02 12:31:32,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:32,166 INFO L225 Difference]: With dead ends: 320 [2024-12-02 12:31:32,166 INFO L226 Difference]: Without dead ends: 182 [2024-12-02 12:31:32,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:31:32,167 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 53 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:32,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 525 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:31:32,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-12-02 12:31:32,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 141. [2024-12-02 12:31:32,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 127 states have (on average 1.2519685039370079) internal successors, (159), 128 states have internal predecessors, (159), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 12:31:32,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 179 transitions. [2024-12-02 12:31:32,178 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 179 transitions. Word has length 80 [2024-12-02 12:31:32,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:32,178 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 179 transitions. [2024-12-02 12:31:32,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:32,178 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 179 transitions. [2024-12-02 12:31:32,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 12:31:32,179 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:32,179 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:32,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 12:31:32,180 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:32,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:32,180 INFO L85 PathProgramCache]: Analyzing trace with hash -715700954, now seen corresponding path program 1 times [2024-12-02 12:31:32,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:32,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548392412] [2024-12-02 12:31:32,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:32,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:32,973 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:32,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:32,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548392412] [2024-12-02 12:31:32,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548392412] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:32,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:31:32,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 12:31:32,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204109955] [2024-12-02 12:31:32,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:32,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 12:31:32,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:32,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 12:31:32,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-12-02 12:31:32,975 INFO L87 Difference]: Start difference. First operand 141 states and 179 transitions. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 12:31:33,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:33,320 INFO L93 Difference]: Finished difference Result 320 states and 406 transitions. [2024-12-02 12:31:33,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 12:31:33,320 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 80 [2024-12-02 12:31:33,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:33,322 INFO L225 Difference]: With dead ends: 320 [2024-12-02 12:31:33,322 INFO L226 Difference]: Without dead ends: 182 [2024-12-02 12:31:33,322 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2024-12-02 12:31:33,323 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 126 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 918 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:33,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 918 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:31:33,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-12-02 12:31:33,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 137. [2024-12-02 12:31:33,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 123 states have (on average 1.2520325203252032) internal successors, (154), 124 states have internal predecessors, (154), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 12:31:33,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 174 transitions. [2024-12-02 12:31:33,331 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 174 transitions. Word has length 80 [2024-12-02 12:31:33,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:33,332 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 174 transitions. [2024-12-02 12:31:33,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 12:31:33,332 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 174 transitions. [2024-12-02 12:31:33,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 12:31:33,333 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:33,333 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:33,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 12:31:33,333 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:33,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:33,333 INFO L85 PathProgramCache]: Analyzing trace with hash 433053927, now seen corresponding path program 1 times [2024-12-02 12:31:33,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:33,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781722978] [2024-12-02 12:31:33,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:33,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:33,447 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-02 12:31:33,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:33,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781722978] [2024-12-02 12:31:33,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781722978] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:31:33,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140438958] [2024-12-02 12:31:33,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:33,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:31:33,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:31:33,449 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:31:33,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 12:31:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:33,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 12:31:33,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:31:33,606 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:33,606 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:31:33,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140438958] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:33,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:31:33,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2024-12-02 12:31:33,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819063766] [2024-12-02 12:31:33,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:33,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:31:33,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:33,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:31:33,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:31:33,607 INFO L87 Difference]: Start difference. First operand 137 states and 174 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:33,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:33,637 INFO L93 Difference]: Finished difference Result 279 states and 355 transitions. [2024-12-02 12:31:33,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:31:33,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 80 [2024-12-02 12:31:33,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:33,639 INFO L225 Difference]: With dead ends: 279 [2024-12-02 12:31:33,639 INFO L226 Difference]: Without dead ends: 145 [2024-12-02 12:31:33,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:31:33,640 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:33,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 430 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:31:33,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-12-02 12:31:33,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 139. [2024-12-02 12:31:33,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 125 states have (on average 1.248) internal successors, (156), 126 states have internal predecessors, (156), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 12:31:33,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 176 transitions. [2024-12-02 12:31:33,649 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 176 transitions. Word has length 80 [2024-12-02 12:31:33,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:33,649 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 176 transitions. [2024-12-02 12:31:33,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:33,649 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 176 transitions. [2024-12-02 12:31:33,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 12:31:33,650 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:33,650 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:33,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 12:31:33,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-02 12:31:33,850 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:33,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:33,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1972705984, now seen corresponding path program 1 times [2024-12-02 12:31:33,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:33,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378356412] [2024-12-02 12:31:33,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:33,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:33,955 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:33,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:33,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378356412] [2024-12-02 12:31:33,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378356412] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:33,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:31:33,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:31:33,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18938722] [2024-12-02 12:31:33,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:33,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:31:33,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:33,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:31:33,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:31:33,956 INFO L87 Difference]: Start difference. First operand 139 states and 176 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:34,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:34,050 INFO L93 Difference]: Finished difference Result 279 states and 352 transitions. [2024-12-02 12:31:34,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:31:34,051 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 80 [2024-12-02 12:31:34,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:34,052 INFO L225 Difference]: With dead ends: 279 [2024-12-02 12:31:34,052 INFO L226 Difference]: Without dead ends: 143 [2024-12-02 12:31:34,052 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 12:31:34,053 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 52 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:34,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 215 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:31:34,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-12-02 12:31:34,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 101. [2024-12-02 12:31:34,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 89 states have (on average 1.2247191011235956) internal successors, (109), 89 states have internal predecessors, (109), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 12:31:34,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 125 transitions. [2024-12-02 12:31:34,060 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 125 transitions. Word has length 80 [2024-12-02 12:31:34,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:34,060 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 125 transitions. [2024-12-02 12:31:34,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:34,060 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 125 transitions. [2024-12-02 12:31:34,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-02 12:31:34,061 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:34,061 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:34,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 12:31:34,062 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:34,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:34,062 INFO L85 PathProgramCache]: Analyzing trace with hash -718955474, now seen corresponding path program 1 times [2024-12-02 12:31:34,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:34,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739619131] [2024-12-02 12:31:34,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:34,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:34,249 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:34,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:34,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739619131] [2024-12-02 12:31:34,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739619131] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:34,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:31:34,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:31:34,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724758033] [2024-12-02 12:31:34,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:34,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:31:34,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:34,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:31:34,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:31:34,251 INFO L87 Difference]: Start difference. First operand 101 states and 125 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 12:31:34,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:34,309 INFO L93 Difference]: Finished difference Result 236 states and 292 transitions. [2024-12-02 12:31:34,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:31:34,310 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 82 [2024-12-02 12:31:34,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:34,311 INFO L225 Difference]: With dead ends: 236 [2024-12-02 12:31:34,311 INFO L226 Difference]: Without dead ends: 138 [2024-12-02 12:31:34,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:31:34,312 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 45 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:34,312 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 398 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:31:34,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-12-02 12:31:34,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 101. [2024-12-02 12:31:34,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 89 states have (on average 1.2134831460674158) internal successors, (108), 89 states have internal predecessors, (108), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 12:31:34,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 124 transitions. [2024-12-02 12:31:34,320 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 124 transitions. Word has length 82 [2024-12-02 12:31:34,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:34,321 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 124 transitions. [2024-12-02 12:31:34,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 12:31:34,321 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2024-12-02 12:31:34,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-02 12:31:34,322 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:34,322 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:34,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 12:31:34,322 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:34,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:34,323 INFO L85 PathProgramCache]: Analyzing trace with hash -275985652, now seen corresponding path program 1 times [2024-12-02 12:31:34,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:34,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429580640] [2024-12-02 12:31:34,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:34,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:34,539 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:34,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:34,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429580640] [2024-12-02 12:31:34,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429580640] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:34,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:31:34,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:31:34,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082892696] [2024-12-02 12:31:34,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:34,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:31:34,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:34,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:31:34,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:31:34,541 INFO L87 Difference]: Start difference. First operand 101 states and 124 transitions. Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 12:31:34,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:34,602 INFO L93 Difference]: Finished difference Result 232 states and 286 transitions. [2024-12-02 12:31:34,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:31:34,603 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 83 [2024-12-02 12:31:34,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:34,604 INFO L225 Difference]: With dead ends: 232 [2024-12-02 12:31:34,604 INFO L226 Difference]: Without dead ends: 134 [2024-12-02 12:31:34,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:31:34,605 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 35 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:34,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 397 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:31:34,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-12-02 12:31:34,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 106. [2024-12-02 12:31:34,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 94 states have (on average 1.202127659574468) internal successors, (113), 94 states have internal predecessors, (113), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 12:31:34,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 129 transitions. [2024-12-02 12:31:34,612 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 129 transitions. Word has length 83 [2024-12-02 12:31:34,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:34,613 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 129 transitions. [2024-12-02 12:31:34,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 12:31:34,613 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 129 transitions. [2024-12-02 12:31:34,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-02 12:31:34,614 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:34,614 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:34,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 12:31:34,614 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:34,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:34,614 INFO L85 PathProgramCache]: Analyzing trace with hash -2010953120, now seen corresponding path program 1 times [2024-12-02 12:31:34,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:34,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248200659] [2024-12-02 12:31:34,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:34,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:34,936 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:34,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:34,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248200659] [2024-12-02 12:31:34,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248200659] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:34,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:31:34,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 12:31:34,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562464139] [2024-12-02 12:31:34,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:34,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 12:31:34,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:34,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 12:31:34,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:31:34,938 INFO L87 Difference]: Start difference. First operand 106 states and 129 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:35,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:35,053 INFO L93 Difference]: Finished difference Result 290 states and 348 transitions. [2024-12-02 12:31:35,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 12:31:35,054 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 83 [2024-12-02 12:31:35,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:35,055 INFO L225 Difference]: With dead ends: 290 [2024-12-02 12:31:35,055 INFO L226 Difference]: Without dead ends: 187 [2024-12-02 12:31:35,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-12-02 12:31:35,056 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 57 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:35,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 627 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:31:35,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-12-02 12:31:35,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 176. [2024-12-02 12:31:35,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 155 states have (on average 1.1741935483870967) internal successors, (182), 156 states have internal predecessors, (182), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 12:31:35,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 210 transitions. [2024-12-02 12:31:35,069 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 210 transitions. Word has length 83 [2024-12-02 12:31:35,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:35,069 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 210 transitions. [2024-12-02 12:31:35,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:35,070 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 210 transitions. [2024-12-02 12:31:35,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-02 12:31:35,070 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:35,070 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:35,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 12:31:35,071 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:35,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:35,071 INFO L85 PathProgramCache]: Analyzing trace with hash 478575842, now seen corresponding path program 1 times [2024-12-02 12:31:35,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:35,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131626795] [2024-12-02 12:31:35,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:35,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:35,144 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:35,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:35,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131626795] [2024-12-02 12:31:35,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131626795] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:35,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:31:35,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:31:35,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839747325] [2024-12-02 12:31:35,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:35,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:31:35,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:35,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:31:35,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:31:35,145 INFO L87 Difference]: Start difference. First operand 176 states and 210 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:35,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:35,242 INFO L93 Difference]: Finished difference Result 397 states and 473 transitions. [2024-12-02 12:31:35,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:31:35,242 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 83 [2024-12-02 12:31:35,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:35,244 INFO L225 Difference]: With dead ends: 397 [2024-12-02 12:31:35,244 INFO L226 Difference]: Without dead ends: 224 [2024-12-02 12:31:35,244 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 12:31:35,245 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 43 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:35,245 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 423 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:31:35,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-12-02 12:31:35,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 191. [2024-12-02 12:31:35,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 170 states have (on average 1.1647058823529413) internal successors, (198), 171 states have internal predecessors, (198), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 12:31:35,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 226 transitions. [2024-12-02 12:31:35,260 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 226 transitions. Word has length 83 [2024-12-02 12:31:35,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:35,261 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 226 transitions. [2024-12-02 12:31:35,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:35,261 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 226 transitions. [2024-12-02 12:31:35,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-12-02 12:31:35,262 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:35,262 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:35,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 12:31:35,262 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:35,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:35,263 INFO L85 PathProgramCache]: Analyzing trace with hash -62616729, now seen corresponding path program 1 times [2024-12-02 12:31:35,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:35,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770529678] [2024-12-02 12:31:35,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:35,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:35,890 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:35,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:35,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770529678] [2024-12-02 12:31:35,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770529678] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:35,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:31:35,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:31:35,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222134590] [2024-12-02 12:31:35,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:35,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:31:35,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:35,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:31:35,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:31:35,892 INFO L87 Difference]: Start difference. First operand 191 states and 226 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:36,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:36,035 INFO L93 Difference]: Finished difference Result 237 states and 280 transitions. [2024-12-02 12:31:36,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:31:36,036 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 85 [2024-12-02 12:31:36,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:36,037 INFO L225 Difference]: With dead ends: 237 [2024-12-02 12:31:36,037 INFO L226 Difference]: Without dead ends: 235 [2024-12-02 12:31:36,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:31:36,038 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 63 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:36,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 469 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:31:36,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-12-02 12:31:36,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 230. [2024-12-02 12:31:36,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 197 states have (on average 1.1421319796954315) internal successors, (225), 199 states have internal predecessors, (225), 22 states have call successors, (22), 10 states have call predecessors, (22), 10 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 12:31:36,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 269 transitions. [2024-12-02 12:31:36,062 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 269 transitions. Word has length 85 [2024-12-02 12:31:36,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:36,063 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 269 transitions. [2024-12-02 12:31:36,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:36,063 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 269 transitions. [2024-12-02 12:31:36,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-12-02 12:31:36,063 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:36,064 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:36,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 12:31:36,064 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:36,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:36,064 INFO L85 PathProgramCache]: Analyzing trace with hash -60769687, now seen corresponding path program 1 times [2024-12-02 12:31:36,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:36,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891355806] [2024-12-02 12:31:36,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:36,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:36,220 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:36,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:36,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891355806] [2024-12-02 12:31:36,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891355806] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:36,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:31:36,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:31:36,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821625080] [2024-12-02 12:31:36,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:36,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:31:36,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:36,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:31:36,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:31:36,222 INFO L87 Difference]: Start difference. First operand 230 states and 269 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:36,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:36,289 INFO L93 Difference]: Finished difference Result 432 states and 504 transitions. [2024-12-02 12:31:36,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:31:36,289 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 85 [2024-12-02 12:31:36,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:36,291 INFO L225 Difference]: With dead ends: 432 [2024-12-02 12:31:36,291 INFO L226 Difference]: Without dead ends: 238 [2024-12-02 12:31:36,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:31:36,293 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 44 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:36,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 331 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:31:36,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-12-02 12:31:36,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2024-12-02 12:31:36,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 203 states have (on average 1.1280788177339902) internal successors, (229), 205 states have internal predecessors, (229), 22 states have call successors, (22), 12 states have call predecessors, (22), 12 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 12:31:36,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 273 transitions. [2024-12-02 12:31:36,316 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 273 transitions. Word has length 85 [2024-12-02 12:31:36,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:36,317 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 273 transitions. [2024-12-02 12:31:36,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:36,317 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 273 transitions. [2024-12-02 12:31:36,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-12-02 12:31:36,317 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:36,317 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:36,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 12:31:36,318 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:36,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:36,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1714237675, now seen corresponding path program 1 times [2024-12-02 12:31:36,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:36,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943609067] [2024-12-02 12:31:36,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:36,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:36,930 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:36,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:36,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943609067] [2024-12-02 12:31:36,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943609067] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:36,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:31:36,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 12:31:36,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816009414] [2024-12-02 12:31:36,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:36,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 12:31:36,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:36,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 12:31:36,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:31:36,932 INFO L87 Difference]: Start difference. First operand 238 states and 273 transitions. Second operand has 9 states, 7 states have (on average 6.857142857142857) internal successors, (48), 9 states have internal predecessors, (48), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 3 states have call successors, (8) [2024-12-02 12:31:37,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:37,268 INFO L93 Difference]: Finished difference Result 585 states and 674 transitions. [2024-12-02 12:31:37,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 12:31:37,268 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.857142857142857) internal successors, (48), 9 states have internal predecessors, (48), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 3 states have call successors, (8) Word has length 85 [2024-12-02 12:31:37,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:37,269 INFO L225 Difference]: With dead ends: 585 [2024-12-02 12:31:37,269 INFO L226 Difference]: Without dead ends: 383 [2024-12-02 12:31:37,270 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-12-02 12:31:37,270 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 82 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:37,270 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 624 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:31:37,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-12-02 12:31:37,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 339. [2024-12-02 12:31:37,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 304 states have (on average 1.1348684210526316) internal successors, (345), 306 states have internal predecessors, (345), 22 states have call successors, (22), 12 states have call predecessors, (22), 12 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 12:31:37,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 389 transitions. [2024-12-02 12:31:37,288 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 389 transitions. Word has length 85 [2024-12-02 12:31:37,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:37,289 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 389 transitions. [2024-12-02 12:31:37,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.857142857142857) internal successors, (48), 9 states have internal predecessors, (48), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 3 states have call successors, (8) [2024-12-02 12:31:37,289 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 389 transitions. [2024-12-02 12:31:37,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-02 12:31:37,289 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:37,289 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:37,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 12:31:37,290 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:37,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:37,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1466680182, now seen corresponding path program 1 times [2024-12-02 12:31:37,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:37,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865022979] [2024-12-02 12:31:37,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:37,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:37,420 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:37,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:37,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865022979] [2024-12-02 12:31:37,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865022979] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:37,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:31:37,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:31:37,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764535921] [2024-12-02 12:31:37,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:37,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:31:37,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:37,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:31:37,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:31:37,421 INFO L87 Difference]: Start difference. First operand 339 states and 389 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 12:31:37,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:37,500 INFO L93 Difference]: Finished difference Result 696 states and 799 transitions. [2024-12-02 12:31:37,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:31:37,501 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 86 [2024-12-02 12:31:37,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:37,503 INFO L225 Difference]: With dead ends: 696 [2024-12-02 12:31:37,503 INFO L226 Difference]: Without dead ends: 393 [2024-12-02 12:31:37,503 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:31:37,504 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 66 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:37,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 413 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:31:37,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-12-02 12:31:37,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 297. [2024-12-02 12:31:37,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 262 states have (on average 1.118320610687023) internal successors, (293), 264 states have internal predecessors, (293), 22 states have call successors, (22), 12 states have call predecessors, (22), 12 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 12:31:37,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 337 transitions. [2024-12-02 12:31:37,522 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 337 transitions. Word has length 86 [2024-12-02 12:31:37,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:37,523 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 337 transitions. [2024-12-02 12:31:37,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 12:31:37,523 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 337 transitions. [2024-12-02 12:31:37,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-02 12:31:37,523 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:37,523 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:37,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 12:31:37,524 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:37,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:37,524 INFO L85 PathProgramCache]: Analyzing trace with hash 751828624, now seen corresponding path program 1 times [2024-12-02 12:31:37,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:37,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177730812] [2024-12-02 12:31:37,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:37,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:37,698 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:37,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:37,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177730812] [2024-12-02 12:31:37,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177730812] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:37,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:31:37,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:31:37,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412722653] [2024-12-02 12:31:37,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:37,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:31:37,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:37,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:31:37,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:31:37,700 INFO L87 Difference]: Start difference. First operand 297 states and 337 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:37,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:37,820 INFO L93 Difference]: Finished difference Result 653 states and 739 transitions. [2024-12-02 12:31:37,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:31:37,820 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 87 [2024-12-02 12:31:37,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:37,822 INFO L225 Difference]: With dead ends: 653 [2024-12-02 12:31:37,822 INFO L226 Difference]: Without dead ends: 392 [2024-12-02 12:31:37,822 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:31:37,823 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 24 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:37,823 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 322 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:31:37,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-12-02 12:31:37,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 372. [2024-12-02 12:31:37,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 337 states have (on average 1.1157270029673592) internal successors, (376), 339 states have internal predecessors, (376), 22 states have call successors, (22), 12 states have call predecessors, (22), 12 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 12:31:37,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 420 transitions. [2024-12-02 12:31:37,841 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 420 transitions. Word has length 87 [2024-12-02 12:31:37,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:37,841 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 420 transitions. [2024-12-02 12:31:37,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:37,841 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 420 transitions. [2024-12-02 12:31:37,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-02 12:31:37,842 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:37,843 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:37,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 12:31:37,843 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:37,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:37,843 INFO L85 PathProgramCache]: Analyzing trace with hash 457741057, now seen corresponding path program 1 times [2024-12-02 12:31:37,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:37,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700843939] [2024-12-02 12:31:37,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:37,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:37,919 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:37,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:37,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700843939] [2024-12-02 12:31:37,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700843939] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:37,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:31:37,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:31:37,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687016291] [2024-12-02 12:31:37,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:37,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:31:37,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:37,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:31:37,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:31:37,921 INFO L87 Difference]: Start difference. First operand 372 states and 420 transitions. Second operand has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 12:31:37,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:37,992 INFO L93 Difference]: Finished difference Result 632 states and 713 transitions. [2024-12-02 12:31:37,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:31:37,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 87 [2024-12-02 12:31:37,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:37,994 INFO L225 Difference]: With dead ends: 632 [2024-12-02 12:31:37,994 INFO L226 Difference]: Without dead ends: 296 [2024-12-02 12:31:37,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 12:31:37,994 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:37,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 287 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:31:37,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-12-02 12:31:38,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2024-12-02 12:31:38,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 261 states have (on average 1.103448275862069) internal successors, (288), 263 states have internal predecessors, (288), 22 states have call successors, (22), 12 states have call predecessors, (22), 12 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 12:31:38,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 332 transitions. [2024-12-02 12:31:38,011 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 332 transitions. Word has length 87 [2024-12-02 12:31:38,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:38,011 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 332 transitions. [2024-12-02 12:31:38,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 12:31:38,011 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 332 transitions. [2024-12-02 12:31:38,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-12-02 12:31:38,012 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:38,012 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:38,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 12:31:38,012 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:38,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:38,013 INFO L85 PathProgramCache]: Analyzing trace with hash 727564006, now seen corresponding path program 1 times [2024-12-02 12:31:38,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:38,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316208819] [2024-12-02 12:31:38,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:38,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:38,468 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:38,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:38,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316208819] [2024-12-02 12:31:38,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316208819] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:38,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:31:38,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 12:31:38,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864438511] [2024-12-02 12:31:38,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:38,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 12:31:38,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:38,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 12:31:38,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:31:38,470 INFO L87 Difference]: Start difference. First operand 296 states and 332 transitions. Second operand has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 12:31:38,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:38,653 INFO L93 Difference]: Finished difference Result 564 states and 634 transitions. [2024-12-02 12:31:38,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 12:31:38,653 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 88 [2024-12-02 12:31:38,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:38,655 INFO L225 Difference]: With dead ends: 564 [2024-12-02 12:31:38,655 INFO L226 Difference]: Without dead ends: 304 [2024-12-02 12:31:38,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 12:31:38,656 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 36 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:38,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 448 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:31:38,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-12-02 12:31:38,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 298. [2024-12-02 12:31:38,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 263 states have (on average 1.102661596958175) internal successors, (290), 265 states have internal predecessors, (290), 22 states have call successors, (22), 12 states have call predecessors, (22), 12 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 12:31:38,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 334 transitions. [2024-12-02 12:31:38,683 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 334 transitions. Word has length 88 [2024-12-02 12:31:38,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:38,683 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 334 transitions. [2024-12-02 12:31:38,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 12:31:38,683 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 334 transitions. [2024-12-02 12:31:38,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 12:31:38,684 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:31:38,684 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:31:38,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 12:31:38,684 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:31:38,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:31:38,685 INFO L85 PathProgramCache]: Analyzing trace with hash -837434036, now seen corresponding path program 1 times [2024-12-02 12:31:38,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:31:38,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897617988] [2024-12-02 12:31:38,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:31:38,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:31:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:31:38,783 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:31:38,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:31:38,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897617988] [2024-12-02 12:31:38,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897617988] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:31:38,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:31:38,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:31:38,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280941333] [2024-12-02 12:31:38,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:31:38,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:31:38,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:31:38,784 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:31:38,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:31:38,784 INFO L87 Difference]: Start difference. First operand 298 states and 334 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:38,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:31:38,842 INFO L93 Difference]: Finished difference Result 536 states and 599 transitions. [2024-12-02 12:31:38,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:31:38,842 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 90 [2024-12-02 12:31:38,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:31:38,843 INFO L225 Difference]: With dead ends: 536 [2024-12-02 12:31:38,843 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 12:31:38,843 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 12:31:38,844 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:31:38,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 254 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:31:38,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 12:31:38,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 12:31:38,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:31:38,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 12:31:38,845 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2024-12-02 12:31:38,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:31:38,845 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 12:31:38,846 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-12-02 12:31:38,846 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 12:31:38,846 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 12:31:38,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 12:31:38,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 12:31:38,851 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:31:38,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 12:31:41,358 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:31:41,367 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-12-02 12:31:41,368 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-12-02 12:31:41,368 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~#signed_char_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 12:31:41,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 12:31:41,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 12:31:41,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 12:31:41,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 12:31:41,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 12:31:41,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-12-02 12:31:41,371 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-12-02 12:31:41,371 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,371 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 12:31:41,371 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 12:31:41,371 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,371 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 12:31:41,371 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 12:31:41,371 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,371 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-12-02 12:31:41,371 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-12-02 12:31:41,371 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,371 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-12-02 12:31:41,371 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-12-02 12:31:41,371 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_char_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,372 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 12:31:41,373 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 12:31:41,373 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,373 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 12:31:41,373 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 12:31:41,373 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,373 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-12-02 12:31:41,373 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-12-02 12:31:41,373 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_char_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,373 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 12:31:41,374 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 12:31:41,374 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,374 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 12:31:41,374 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 12:31:41,374 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,374 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-12-02 12:31:41,374 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-12-02 12:31:41,374 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_char_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,374 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-12-02 12:31:41,375 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-12-02 12:31:41,375 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_char_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,375 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-12-02 12:31:41,375 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-12-02 12:31:41,375 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_char_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,375 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 12:31:41,375 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 12:31:41,375 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,375 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 12:31:41,375 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 12:31:41,375 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,375 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 12:31:41,375 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 12:31:41,376 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,376 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 12:31:41,376 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 12:31:41,376 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,376 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-12-02 12:31:41,376 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-12-02 12:31:41,376 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~#signed_char_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,376 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 12:31:41,376 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 12:31:41,376 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,376 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-12-02 12:31:41,376 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-12-02 12:31:41,376 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~#signed_char_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,376 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 12:31:41,376 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 12:31:41,376 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,377 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-12-02 12:31:41,377 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-12-02 12:31:41,377 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_char_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,377 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-12-02 12:31:41,377 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-12-02 12:31:41,377 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_char_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,377 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-12-02 12:31:41,377 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-12-02 12:31:41,377 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~#signed_char_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,377 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-12-02 12:31:41,377 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-12-02 12:31:41,377 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~#signed_char_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,377 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 12:31:41,377 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 12:31:41,377 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] [2024-12-02 12:31:41,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:31:41 BoogieIcfgContainer [2024-12-02 12:31:41,378 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:31:41,378 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:31:41,378 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:31:41,379 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:31:41,379 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:31:22" (3/4) ... [2024-12-02 12:31:41,381 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 12:31:41,385 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 12:31:41,390 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-02 12:31:41,390 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-02 12:31:41,391 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 12:31:41,391 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 12:31:41,467 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 12:31:41,467 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 12:31:41,467 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:31:41,468 INFO L158 Benchmark]: Toolchain (without parser) took 19404.23ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 117.2MB in the beginning and 326.6MB in the end (delta: -209.4MB). Peak memory consumption was 167.1MB. Max. memory is 16.1GB. [2024-12-02 12:31:41,468 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:31:41,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.34ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 103.3MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:31:41,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.20ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 100.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:31:41,468 INFO L158 Benchmark]: Boogie Preprocessor took 49.84ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 97.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:31:41,469 INFO L158 Benchmark]: RCFGBuilder took 453.64ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 73.2MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 12:31:41,469 INFO L158 Benchmark]: TraceAbstraction took 18583.22ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 72.6MB in the beginning and 334.9MB in the end (delta: -262.2MB). Peak memory consumption was 269.7MB. Max. memory is 16.1GB. [2024-12-02 12:31:41,469 INFO L158 Benchmark]: Witness Printer took 88.63ms. Allocated memory is still 520.1MB. Free memory was 334.9MB in the beginning and 326.6MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:31:41,470 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.34ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 103.3MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.20ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 100.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.84ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 97.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 453.64ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 73.2MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 18583.22ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 72.6MB in the beginning and 334.9MB in the end (delta: -262.2MB). Peak memory consumption was 269.7MB. Max. memory is 16.1GB. * Witness Printer took 88.63ms. Allocated memory is still 520.1MB. Free memory was 334.9MB in the beginning and 326.6MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~#signed_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~#signed_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~#signed_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~#signed_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~#signed_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~#signed_long_int_Array_0~0!base,GLOBAL]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.0s, OverallIterations: 28, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1829 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1810 mSDsluCounter, 12078 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9301 mSDsCounter, 111 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3199 IncrementalHoareTripleChecker+Invalid, 3310 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 111 mSolverCounterUnsat, 2777 mSDtfsCounter, 3199 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 996 GetRequests, 774 SyntacticMatches, 8 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=372occurred in iteration=25, InterpolantAutomatonStates: 192, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 28 MinimizatonAttempts, 642 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 2727 NumberOfCodeBlocks, 2727 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 2928 ConstructedInterpolants, 0 QuantifiedInterpolants, 13311 SizeOfPredicates, 32 NumberOfNonLiveVariables, 1718 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 37 InterpolantComputations, 26 PerfectInterpolantSequences, 3998/4144 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 12:31:41,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ef84fe9-a7bf-4d37-b972-b8827e285171/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 Writing output log to file Ultimate.log Result: TRUE