./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC --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 c576a24d45ab301447d14f0f509fbb4fda0d590a05a36555d57f7b59c4fd472a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:36:27,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:36:27,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 22:36:27,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:36:27,302 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:36:27,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:36:27,341 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:36:27,341 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:36:27,342 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:36:27,342 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:36:27,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:36:27,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:36:27,344 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:36:27,344 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:36:27,344 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:36:27,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:36:27,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:36:27,345 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:36:27,346 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:36:27,346 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:36:27,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:36:27,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:36:27,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:36:27,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:36:27,346 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:36:27,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:36:27,347 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:36:27,347 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:36:27,347 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:36:27,347 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:36:27,347 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:36:27,347 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:36:27,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:36:27,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:36:27,349 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:36:27,349 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:36:27,349 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:36:27,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:36:27,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:36:27,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:36:27,349 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:36:27,350 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:36:27,350 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:36:27,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:36:27,350 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:36:27,350 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:36:27,350 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:36:27,350 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:36:27,350 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_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC 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 -> c576a24d45ab301447d14f0f509fbb4fda0d590a05a36555d57f7b59c4fd472a [2024-11-23 22:36:27,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:36:27,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:36:27,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:36:27,725 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:36:27,725 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:36:27,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i [2024-11-23 22:36:30,689 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/data/b4a7a8e6d/deefc0944aec45b2aa5446327f7ed585/FLAGd47fd4e0f [2024-11-23 22:36:31,061 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:36:31,062 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i [2024-11-23 22:36:31,074 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/data/b4a7a8e6d/deefc0944aec45b2aa5446327f7ed585/FLAGd47fd4e0f [2024-11-23 22:36:31,090 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/data/b4a7a8e6d/deefc0944aec45b2aa5446327f7ed585 [2024-11-23 22:36:31,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:36:31,094 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:36:31,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:36:31,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:36:31,100 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:36:31,101 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:36:31" (1/1) ... [2024-11-23 22:36:31,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ee3ce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:31, skipping insertion in model container [2024-11-23 22:36:31,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:36:31" (1/1) ... [2024-11-23 22:36:31,130 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:36:31,293 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_a5c63075-1ab0-4607-8ce7-0ad444482812/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i[918,931] [2024-11-23 22:36:31,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:36:31,409 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:36:31,420 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_a5c63075-1ab0-4607-8ce7-0ad444482812/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i[918,931] [2024-11-23 22:36:31,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:36:31,495 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:36:31,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:31 WrapperNode [2024-11-23 22:36:31,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:36:31,497 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:36:31,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:36:31,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:36:31,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:31" (1/1) ... [2024-11-23 22:36:31,528 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:31" (1/1) ... [2024-11-23 22:36:31,605 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 237 [2024-11-23 22:36:31,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:36:31,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:36:31,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:36:31,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:36:31,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:31" (1/1) ... [2024-11-23 22:36:31,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:31" (1/1) ... [2024-11-23 22:36:31,627 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:31" (1/1) ... [2024-11-23 22:36:31,663 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 22:36:31,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:31" (1/1) ... [2024-11-23 22:36:31,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:31" (1/1) ... [2024-11-23 22:36:31,680 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:31" (1/1) ... [2024-11-23 22:36:31,685 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:31" (1/1) ... [2024-11-23 22:36:31,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:31" (1/1) ... [2024-11-23 22:36:31,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:31" (1/1) ... [2024-11-23 22:36:31,700 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:31" (1/1) ... [2024-11-23 22:36:31,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:36:31,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:36:31,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:36:31,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:36:31,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:31" (1/1) ... [2024-11-23 22:36:31,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:36:31,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:36:31,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:36:31,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:36:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:36:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 22:36:31,779 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 22:36:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:36:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:36:31,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:36:31,881 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:36:31,883 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:36:32,544 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-23 22:36:32,545 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:36:32,559 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:36:32,559 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 22:36:32,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:36:32 BoogieIcfgContainer [2024-11-23 22:36:32,559 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:36:32,564 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:36:32,564 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:36:32,569 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:36:32,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:36:31" (1/3) ... [2024-11-23 22:36:32,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e67859c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:36:32, skipping insertion in model container [2024-11-23 22:36:32,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:31" (2/3) ... [2024-11-23 22:36:32,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e67859c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:36:32, skipping insertion in model container [2024-11-23 22:36:32,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:36:32" (3/3) ... [2024-11-23 22:36:32,573 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i [2024-11-23 22:36:32,592 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:36:32,593 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i that has 2 procedures, 106 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 22:36:32,667 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:36:32,684 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;@4709d23e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:36:32,684 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 22:36:32,689 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 80 states have (on average 1.55) internal successors, (124), 81 states have internal predecessors, (124), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-23 22:36:32,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-23 22:36:32,701 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:32,702 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:36:32,703 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:36:32,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:32,708 INFO L85 PathProgramCache]: Analyzing trace with hash -2123391114, now seen corresponding path program 1 times [2024-11-23 22:36:32,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:32,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436795483] [2024-11-23 22:36:32,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:32,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:33,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-11-23 22:36:33,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:33,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436795483] [2024-11-23 22:36:33,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436795483] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:36:33,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501531452] [2024-11-23 22:36:33,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:33,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:36:33,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:36:33,163 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:36:33,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 22:36:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:33,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 22:36:33,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:36:33,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-11-23 22:36:33,454 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:36:33,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501531452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:36:33,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 22:36:33,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 22:36:33,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31977771] [2024-11-23 22:36:33,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:36:33,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 22:36:33,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:33,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 22:36:33,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:36:33,490 INFO L87 Difference]: Start difference. First operand has 106 states, 80 states have (on average 1.55) internal successors, (124), 81 states have internal predecessors, (124), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 22:36:33,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:36:33,530 INFO L93 Difference]: Finished difference Result 205 states and 357 transitions. [2024-11-23 22:36:33,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 22:36:33,532 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 160 [2024-11-23 22:36:33,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:36:33,538 INFO L225 Difference]: With dead ends: 205 [2024-11-23 22:36:33,539 INFO L226 Difference]: Without dead ends: 102 [2024-11-23 22:36:33,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 22:36:33,545 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:36:33,546 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 22:36:33,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-23 22:36:33,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-23 22:36:33,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 77 states have (on average 1.5064935064935066) internal successors, (116), 77 states have internal predecessors, (116), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-23 22:36:33,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 162 transitions. [2024-11-23 22:36:33,591 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 162 transitions. Word has length 160 [2024-11-23 22:36:33,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:36:33,591 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 162 transitions. [2024-11-23 22:36:33,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 22:36:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 162 transitions. [2024-11-23 22:36:33,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-23 22:36:33,594 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:33,595 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:36:33,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 22:36:33,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 22:36:33,795 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:36:33,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:33,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1777867148, now seen corresponding path program 1 times [2024-11-23 22:36:33,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:33,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475040641] [2024-11-23 22:36:33,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:33,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:34,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 22:36:34,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:34,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475040641] [2024-11-23 22:36:34,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475040641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:36:34,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:36:34,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:36:34,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685089777] [2024-11-23 22:36:34,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:36:34,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:36:34,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:34,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:36:34,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:36:34,481 INFO L87 Difference]: Start difference. First operand 102 states and 162 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:36:34,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:36:34,632 INFO L93 Difference]: Finished difference Result 300 states and 480 transitions. [2024-11-23 22:36:34,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:36:34,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 160 [2024-11-23 22:36:34,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:36:34,636 INFO L225 Difference]: With dead ends: 300 [2024-11-23 22:36:34,636 INFO L226 Difference]: Without dead ends: 201 [2024-11-23 22:36:34,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:36:34,641 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 107 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:36:34,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 346 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:36:34,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-23 22:36:34,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 199. [2024-11-23 22:36:34,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 150 states have (on average 1.48) internal successors, (222), 150 states have internal predecessors, (222), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-23 22:36:34,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 314 transitions. [2024-11-23 22:36:34,682 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 314 transitions. Word has length 160 [2024-11-23 22:36:34,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:36:34,682 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 314 transitions. [2024-11-23 22:36:34,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:36:34,683 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 314 transitions. [2024-11-23 22:36:34,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-23 22:36:34,685 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:34,686 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:36:34,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:36:34,686 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:36:34,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:34,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1831111629, now seen corresponding path program 1 times [2024-11-23 22:36:34,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:34,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501826622] [2024-11-23 22:36:34,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:34,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:34,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 22:36:34,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:34,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501826622] [2024-11-23 22:36:34,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501826622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:36:34,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:36:34,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:36:34,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288454992] [2024-11-23 22:36:34,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:36:34,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:36:34,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:34,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:36:34,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:36:34,896 INFO L87 Difference]: Start difference. First operand 199 states and 314 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:36:34,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:36:34,999 INFO L93 Difference]: Finished difference Result 505 states and 798 transitions. [2024-11-23 22:36:35,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:36:35,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 161 [2024-11-23 22:36:35,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:36:35,007 INFO L225 Difference]: With dead ends: 505 [2024-11-23 22:36:35,007 INFO L226 Difference]: Without dead ends: 309 [2024-11-23 22:36:35,008 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:36:35,010 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 81 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:36:35,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 328 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:36:35,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-23 22:36:35,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 281. [2024-11-23 22:36:35,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 232 states have (on average 1.5086206896551724) internal successors, (350), 232 states have internal predecessors, (350), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-23 22:36:35,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 442 transitions. [2024-11-23 22:36:35,072 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 442 transitions. Word has length 161 [2024-11-23 22:36:35,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:36:35,074 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 442 transitions. [2024-11-23 22:36:35,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:36:35,074 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 442 transitions. [2024-11-23 22:36:35,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-23 22:36:35,080 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:35,080 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:36:35,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:36:35,081 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:36:35,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:35,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1609759812, now seen corresponding path program 1 times [2024-11-23 22:36:35,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:35,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193783421] [2024-11-23 22:36:35,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:35,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:35,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 22:36:35,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:35,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193783421] [2024-11-23 22:36:35,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193783421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:36:35,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:36:35,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:36:35,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097626240] [2024-11-23 22:36:35,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:36:35,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:36:35,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:35,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:36:35,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:36:35,674 INFO L87 Difference]: Start difference. First operand 281 states and 442 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:36:36,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:36:36,128 INFO L93 Difference]: Finished difference Result 703 states and 1112 transitions. [2024-11-23 22:36:36,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:36:36,128 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 162 [2024-11-23 22:36:36,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:36:36,136 INFO L225 Difference]: With dead ends: 703 [2024-11-23 22:36:36,137 INFO L226 Difference]: Without dead ends: 563 [2024-11-23 22:36:36,138 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-23 22:36:36,139 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 205 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:36:36,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 486 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:36:36,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-23 22:36:36,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 557. [2024-11-23 22:36:36,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 460 states have (on average 1.5130434782608695) internal successors, (696), 460 states have internal predecessors, (696), 92 states have call successors, (92), 4 states have call predecessors, (92), 4 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-23 22:36:36,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 880 transitions. [2024-11-23 22:36:36,213 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 880 transitions. Word has length 162 [2024-11-23 22:36:36,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:36:36,214 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 880 transitions. [2024-11-23 22:36:36,214 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, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:36:36,214 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 880 transitions. [2024-11-23 22:36:36,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-23 22:36:36,219 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:36,219 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:36:36,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 22:36:36,220 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:36:36,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:36,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1559880371, now seen corresponding path program 1 times [2024-11-23 22:36:36,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:36,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035117004] [2024-11-23 22:36:36,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:36,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:36,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 22:36:36,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:36,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035117004] [2024-11-23 22:36:36,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035117004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:36:36,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:36:36,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:36:36,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265153094] [2024-11-23 22:36:36,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:36:36,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:36:36,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:36,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:36:36,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:36:36,440 INFO L87 Difference]: Start difference. First operand 557 states and 880 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:36:36,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:36:36,628 INFO L93 Difference]: Finished difference Result 1625 states and 2584 transitions. [2024-11-23 22:36:36,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:36:36,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 162 [2024-11-23 22:36:36,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:36:36,637 INFO L225 Difference]: With dead ends: 1625 [2024-11-23 22:36:36,637 INFO L226 Difference]: Without dead ends: 1071 [2024-11-23 22:36:36,639 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:36:36,640 INFO L435 NwaCegarLoop]: 278 mSDtfsCounter, 142 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:36:36,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 406 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 22:36:36,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2024-11-23 22:36:36,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 1065. [2024-11-23 22:36:36,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 872 states have (on average 1.4977064220183487) internal successors, (1306), 872 states have internal predecessors, (1306), 184 states have call successors, (184), 8 states have call predecessors, (184), 8 states have return successors, (184), 184 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-23 22:36:36,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1674 transitions. [2024-11-23 22:36:36,760 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1674 transitions. Word has length 162 [2024-11-23 22:36:36,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:36:36,761 INFO L471 AbstractCegarLoop]: Abstraction has 1065 states and 1674 transitions. [2024-11-23 22:36:36,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:36:36,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1674 transitions. [2024-11-23 22:36:36,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-23 22:36:36,786 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:36,787 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:36:36,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 22:36:36,787 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:36:36,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:36,788 INFO L85 PathProgramCache]: Analyzing trace with hash 583084377, now seen corresponding path program 1 times [2024-11-23 22:36:36,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:36,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917662371] [2024-11-23 22:36:36,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:36,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:37,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 22:36:37,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:37,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917662371] [2024-11-23 22:36:37,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917662371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:36:37,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:36:37,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:36:37,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585064670] [2024-11-23 22:36:37,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:36:37,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:36:37,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:37,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:36:37,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:36:37,306 INFO L87 Difference]: Start difference. First operand 1065 states and 1674 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:36:37,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:36:37,815 INFO L93 Difference]: Finished difference Result 3275 states and 5161 transitions. [2024-11-23 22:36:37,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:36:37,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 163 [2024-11-23 22:36:37,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:36:37,827 INFO L225 Difference]: With dead ends: 3275 [2024-11-23 22:36:37,827 INFO L226 Difference]: Without dead ends: 2213 [2024-11-23 22:36:37,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:36:37,831 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 305 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 22:36:37,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 611 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 22:36:37,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2024-11-23 22:36:38,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 1879. [2024-11-23 22:36:38,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1879 states, 1590 states have (on average 1.5044025157232706) internal successors, (2392), 1590 states have internal predecessors, (2392), 276 states have call successors, (276), 12 states have call predecessors, (276), 12 states have return successors, (276), 276 states have call predecessors, (276), 276 states have call successors, (276) [2024-11-23 22:36:38,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1879 states and 2944 transitions. [2024-11-23 22:36:38,023 INFO L78 Accepts]: Start accepts. Automaton has 1879 states and 2944 transitions. Word has length 163 [2024-11-23 22:36:38,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:36:38,024 INFO L471 AbstractCegarLoop]: Abstraction has 1879 states and 2944 transitions. [2024-11-23 22:36:38,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:36:38,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2944 transitions. [2024-11-23 22:36:38,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-23 22:36:38,031 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:38,031 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:36:38,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 22:36:38,032 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:36:38,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:38,032 INFO L85 PathProgramCache]: Analyzing trace with hash 56007664, now seen corresponding path program 1 times [2024-11-23 22:36:38,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:38,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632175484] [2024-11-23 22:36:38,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:38,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:39,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 22:36:39,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:39,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632175484] [2024-11-23 22:36:39,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632175484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:36:39,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:36:39,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:36:39,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412874837] [2024-11-23 22:36:39,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:36:39,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:36:39,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:39,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:36:39,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:36:39,257 INFO L87 Difference]: Start difference. First operand 1879 states and 2944 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:36:40,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:36:40,143 INFO L93 Difference]: Finished difference Result 4867 states and 7584 transitions. [2024-11-23 22:36:40,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:36:40,144 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 163 [2024-11-23 22:36:40,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:36:40,163 INFO L225 Difference]: With dead ends: 4867 [2024-11-23 22:36:40,163 INFO L226 Difference]: Without dead ends: 3747 [2024-11-23 22:36:40,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:36:40,169 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 296 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 22:36:40,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 446 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 22:36:40,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3747 states. [2024-11-23 22:36:40,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3747 to 2929. [2024-11-23 22:36:40,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2929 states, 2584 states have (on average 1.5123839009287925) internal successors, (3908), 2592 states have internal predecessors, (3908), 324 states have call successors, (324), 20 states have call predecessors, (324), 20 states have return successors, (324), 316 states have call predecessors, (324), 324 states have call successors, (324) [2024-11-23 22:36:40,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2929 states to 2929 states and 4556 transitions. [2024-11-23 22:36:40,449 INFO L78 Accepts]: Start accepts. Automaton has 2929 states and 4556 transitions. Word has length 163 [2024-11-23 22:36:40,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:36:40,450 INFO L471 AbstractCegarLoop]: Abstraction has 2929 states and 4556 transitions. [2024-11-23 22:36:40,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:36:40,450 INFO L276 IsEmpty]: Start isEmpty. Operand 2929 states and 4556 transitions. [2024-11-23 22:36:40,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-23 22:36:40,454 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:40,454 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:36:40,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 22:36:40,454 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:36:40,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:40,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1385921962, now seen corresponding path program 1 times [2024-11-23 22:36:40,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:40,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834563776] [2024-11-23 22:36:40,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:40,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:41,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 22:36:41,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:41,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834563776] [2024-11-23 22:36:41,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834563776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:36:41,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:36:41,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:36:41,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035114789] [2024-11-23 22:36:41,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:36:41,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:36:41,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:41,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:36:41,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:36:41,774 INFO L87 Difference]: Start difference. First operand 2929 states and 4556 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 22:36:42,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:36:42,615 INFO L93 Difference]: Finished difference Result 5010 states and 7777 transitions. [2024-11-23 22:36:42,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:36:42,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 164 [2024-11-23 22:36:42,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:36:42,636 INFO L225 Difference]: With dead ends: 5010 [2024-11-23 22:36:42,637 INFO L226 Difference]: Without dead ends: 2957 [2024-11-23 22:36:42,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:36:42,642 INFO L435 NwaCegarLoop]: 220 mSDtfsCounter, 390 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 22:36:42,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 582 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 22:36:42,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2957 states. [2024-11-23 22:36:42,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2957 to 2929. [2024-11-23 22:36:42,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2929 states, 2584 states have (on average 1.5061919504643964) internal successors, (3892), 2592 states have internal predecessors, (3892), 324 states have call successors, (324), 20 states have call predecessors, (324), 20 states have return successors, (324), 316 states have call predecessors, (324), 324 states have call successors, (324) [2024-11-23 22:36:42,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2929 states to 2929 states and 4540 transitions. [2024-11-23 22:36:42,878 INFO L78 Accepts]: Start accepts. Automaton has 2929 states and 4540 transitions. Word has length 164 [2024-11-23 22:36:42,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:36:42,879 INFO L471 AbstractCegarLoop]: Abstraction has 2929 states and 4540 transitions. [2024-11-23 22:36:42,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 22:36:42,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2929 states and 4540 transitions. [2024-11-23 22:36:42,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-23 22:36:42,882 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:42,882 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:36:42,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 22:36:42,886 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:36:42,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:42,888 INFO L85 PathProgramCache]: Analyzing trace with hash 914900628, now seen corresponding path program 1 times [2024-11-23 22:36:42,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:42,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340021596] [2024-11-23 22:36:42,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:42,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:44,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 66 proven. 60 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2024-11-23 22:36:44,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:44,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340021596] [2024-11-23 22:36:44,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340021596] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:36:44,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739329274] [2024-11-23 22:36:44,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:44,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:36:44,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:36:44,372 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:36:44,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 22:36:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:44,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-23 22:36:44,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:36:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 651 proven. 45 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-23 22:36:45,820 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:36:46,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 51 proven. 15 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-11-23 22:36:46,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739329274] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 22:36:46,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 22:36:46,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 8] total 22 [2024-11-23 22:36:46,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731202388] [2024-11-23 22:36:46,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 22:36:46,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-23 22:36:46,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:46,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-23 22:36:46,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2024-11-23 22:36:46,504 INFO L87 Difference]: Start difference. First operand 2929 states and 4540 transitions. Second operand has 22 states, 22 states have (on average 5.7272727272727275) internal successors, (126), 22 states have internal predecessors, (126), 7 states have call successors, (50), 3 states have call predecessors, (50), 6 states have return successors, (52), 7 states have call predecessors, (52), 7 states have call successors, (52) [2024-11-23 22:36:52,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:36:52,152 INFO L93 Difference]: Finished difference Result 7309 states and 11001 transitions. [2024-11-23 22:36:52,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-11-23 22:36:52,153 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.7272727272727275) internal successors, (126), 22 states have internal predecessors, (126), 7 states have call successors, (50), 3 states have call predecessors, (50), 6 states have return successors, (52), 7 states have call predecessors, (52), 7 states have call successors, (52) Word has length 164 [2024-11-23 22:36:52,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:36:52,179 INFO L225 Difference]: With dead ends: 7309 [2024-11-23 22:36:52,179 INFO L226 Difference]: Without dead ends: 5215 [2024-11-23 22:36:52,186 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1724 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1554, Invalid=4452, Unknown=0, NotChecked=0, Total=6006 [2024-11-23 22:36:52,188 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 2371 mSDsluCounter, 911 mSDsCounter, 0 mSdLazyCounter, 1691 mSolverCounterSat, 676 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2372 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 2367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 676 IncrementalHoareTripleChecker+Valid, 1691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-23 22:36:52,188 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2372 Valid, 1048 Invalid, 2367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [676 Valid, 1691 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-23 22:36:52,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5215 states. [2024-11-23 22:36:52,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5215 to 3679. [2024-11-23 22:36:52,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3679 states, 3146 states have (on average 1.4825174825174825) internal successors, (4664), 3164 states have internal predecessors, (4664), 440 states have call successors, (440), 92 states have call predecessors, (440), 92 states have return successors, (440), 422 states have call predecessors, (440), 440 states have call successors, (440) [2024-11-23 22:36:52,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3679 states to 3679 states and 5544 transitions. [2024-11-23 22:36:52,535 INFO L78 Accepts]: Start accepts. Automaton has 3679 states and 5544 transitions. Word has length 164 [2024-11-23 22:36:52,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:36:52,536 INFO L471 AbstractCegarLoop]: Abstraction has 3679 states and 5544 transitions. [2024-11-23 22:36:52,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.7272727272727275) internal successors, (126), 22 states have internal predecessors, (126), 7 states have call successors, (50), 3 states have call predecessors, (50), 6 states have return successors, (52), 7 states have call predecessors, (52), 7 states have call successors, (52) [2024-11-23 22:36:52,536 INFO L276 IsEmpty]: Start isEmpty. Operand 3679 states and 5544 transitions. [2024-11-23 22:36:52,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-23 22:36:52,540 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:52,540 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:36:52,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 22:36:52,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-23 22:36:52,744 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:36:52,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:52,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1234277777, now seen corresponding path program 1 times [2024-11-23 22:36:52,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:52,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371063163] [2024-11-23 22:36:52,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:52,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:54,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 120 proven. 60 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2024-11-23 22:36:54,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:54,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371063163] [2024-11-23 22:36:54,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371063163] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:36:54,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112418773] [2024-11-23 22:36:54,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:54,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:36:54,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:36:54,593 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:36:54,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 22:36:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:54,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-23 22:36:54,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:36:56,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 650 proven. 84 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-23 22:36:56,186 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:36:56,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 90 proven. 39 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2024-11-23 22:36:56,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112418773] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 22:36:56,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 22:36:56,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16, 10] total 32 [2024-11-23 22:36:56,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037645855] [2024-11-23 22:36:56,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 22:36:56,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-23 22:36:56,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:56,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-23 22:36:56,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=809, Unknown=0, NotChecked=0, Total=992 [2024-11-23 22:36:56,852 INFO L87 Difference]: Start difference. First operand 3679 states and 5544 transitions. Second operand has 32 states, 32 states have (on average 4.4375) internal successors, (142), 31 states have internal predecessors, (142), 10 states have call successors, (44), 5 states have call predecessors, (44), 10 states have return successors, (46), 10 states have call predecessors, (46), 10 states have call successors, (46) [2024-11-23 22:37:00,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:00,567 INFO L93 Difference]: Finished difference Result 8351 states and 12300 transitions. [2024-11-23 22:37:00,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-23 22:37:00,568 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 4.4375) internal successors, (142), 31 states have internal predecessors, (142), 10 states have call successors, (44), 5 states have call predecessors, (44), 10 states have return successors, (46), 10 states have call predecessors, (46), 10 states have call successors, (46) Word has length 165 [2024-11-23 22:37:00,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:00,592 INFO L225 Difference]: With dead ends: 8351 [2024-11-23 22:37:00,592 INFO L226 Difference]: Without dead ends: 4675 [2024-11-23 22:37:00,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 896 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1121, Invalid=3039, Unknown=0, NotChecked=0, Total=4160 [2024-11-23 22:37:00,604 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 1014 mSDsluCounter, 1032 mSDsCounter, 0 mSdLazyCounter, 1911 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1026 SdHoareTripleChecker+Valid, 1159 SdHoareTripleChecker+Invalid, 2114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 1911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:00,604 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1026 Valid, 1159 Invalid, 2114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 1911 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-23 22:37:00,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4675 states. [2024-11-23 22:37:00,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4675 to 2679. [2024-11-23 22:37:00,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2679 states, 2158 states have (on average 1.3873957367933272) internal successors, (2994), 2172 states have internal predecessors, (2994), 400 states have call successors, (400), 120 states have call predecessors, (400), 120 states have return successors, (400), 386 states have call predecessors, (400), 400 states have call successors, (400) [2024-11-23 22:37:00,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 2679 states and 3794 transitions. [2024-11-23 22:37:00,972 INFO L78 Accepts]: Start accepts. Automaton has 2679 states and 3794 transitions. Word has length 165 [2024-11-23 22:37:00,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:00,973 INFO L471 AbstractCegarLoop]: Abstraction has 2679 states and 3794 transitions. [2024-11-23 22:37:00,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.4375) internal successors, (142), 31 states have internal predecessors, (142), 10 states have call successors, (44), 5 states have call predecessors, (44), 10 states have return successors, (46), 10 states have call predecessors, (46), 10 states have call successors, (46) [2024-11-23 22:37:00,974 INFO L276 IsEmpty]: Start isEmpty. Operand 2679 states and 3794 transitions. [2024-11-23 22:37:00,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-23 22:37:00,977 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:00,977 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:00,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 22:37:01,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:37:01,178 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:01,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:01,179 INFO L85 PathProgramCache]: Analyzing trace with hash -48591034, now seen corresponding path program 1 times [2024-11-23 22:37:01,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:01,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554070905] [2024-11-23 22:37:01,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:01,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:01,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 22:37:01,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:01,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554070905] [2024-11-23 22:37:01,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554070905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:01,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:01,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 22:37:01,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335976507] [2024-11-23 22:37:01,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:01,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:37:01,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:01,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:37:01,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:37:01,495 INFO L87 Difference]: Start difference. First operand 2679 states and 3794 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 22:37:02,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:02,433 INFO L93 Difference]: Finished difference Result 5782 states and 8171 transitions. [2024-11-23 22:37:02,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:37:02,434 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 166 [2024-11-23 22:37:02,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:02,455 INFO L225 Difference]: With dead ends: 5782 [2024-11-23 22:37:02,455 INFO L226 Difference]: Without dead ends: 3106 [2024-11-23 22:37:02,461 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-11-23 22:37:02,462 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 467 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:02,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 613 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 22:37:02,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3106 states. [2024-11-23 22:37:02,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3106 to 3086. [2024-11-23 22:37:02,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3086 states, 2469 states have (on average 1.3778857837181044) internal successors, (3402), 2486 states have internal predecessors, (3402), 474 states have call successors, (474), 142 states have call predecessors, (474), 142 states have return successors, (474), 457 states have call predecessors, (474), 474 states have call successors, (474) [2024-11-23 22:37:02,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3086 states to 3086 states and 4350 transitions. [2024-11-23 22:37:02,978 INFO L78 Accepts]: Start accepts. Automaton has 3086 states and 4350 transitions. Word has length 166 [2024-11-23 22:37:02,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:02,979 INFO L471 AbstractCegarLoop]: Abstraction has 3086 states and 4350 transitions. [2024-11-23 22:37:02,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 22:37:02,979 INFO L276 IsEmpty]: Start isEmpty. Operand 3086 states and 4350 transitions. [2024-11-23 22:37:02,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-23 22:37:02,983 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:02,983 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:02,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 22:37:02,983 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:02,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:02,984 INFO L85 PathProgramCache]: Analyzing trace with hash 512532821, now seen corresponding path program 1 times [2024-11-23 22:37:02,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:02,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729912276] [2024-11-23 22:37:02,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:02,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:03,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 22:37:03,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:03,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729912276] [2024-11-23 22:37:03,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729912276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:03,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:03,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:37:03,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159115216] [2024-11-23 22:37:03,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:03,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:37:03,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:03,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:37:03,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:37:03,320 INFO L87 Difference]: Start difference. First operand 3086 states and 4350 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:37:04,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:04,024 INFO L93 Difference]: Finished difference Result 6173 states and 8700 transitions. [2024-11-23 22:37:04,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:37:04,024 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 166 [2024-11-23 22:37:04,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:04,057 INFO L225 Difference]: With dead ends: 6173 [2024-11-23 22:37:04,058 INFO L226 Difference]: Without dead ends: 3090 [2024-11-23 22:37:04,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-23 22:37:04,065 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 172 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:04,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 559 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:37:04,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3090 states. [2024-11-23 22:37:04,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3090 to 3084. [2024-11-23 22:37:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3084 states, 2467 states have (on average 1.3773814349412241) internal successors, (3398), 2484 states have internal predecessors, (3398), 474 states have call successors, (474), 142 states have call predecessors, (474), 142 states have return successors, (474), 457 states have call predecessors, (474), 474 states have call successors, (474) [2024-11-23 22:37:04,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 3084 states and 4346 transitions. [2024-11-23 22:37:04,433 INFO L78 Accepts]: Start accepts. Automaton has 3084 states and 4346 transitions. Word has length 166 [2024-11-23 22:37:04,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:04,434 INFO L471 AbstractCegarLoop]: Abstraction has 3084 states and 4346 transitions. [2024-11-23 22:37:04,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:37:04,435 INFO L276 IsEmpty]: Start isEmpty. Operand 3084 states and 4346 transitions. [2024-11-23 22:37:04,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-23 22:37:04,438 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:04,439 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:04,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 22:37:04,439 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:04,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:04,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1489984842, now seen corresponding path program 1 times [2024-11-23 22:37:04,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:04,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030577672] [2024-11-23 22:37:04,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:04,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:04,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 22:37:04,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:04,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030577672] [2024-11-23 22:37:04,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030577672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:04,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:04,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 22:37:04,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206171065] [2024-11-23 22:37:04,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:04,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 22:37:04,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:04,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 22:37:04,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-23 22:37:04,890 INFO L87 Difference]: Start difference. First operand 3084 states and 4346 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:37:06,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:06,574 INFO L93 Difference]: Finished difference Result 4969 states and 7046 transitions. [2024-11-23 22:37:06,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 22:37:06,575 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 167 [2024-11-23 22:37:06,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:06,596 INFO L225 Difference]: With dead ends: 4969 [2024-11-23 22:37:06,600 INFO L226 Difference]: Without dead ends: 3261 [2024-11-23 22:37:06,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2024-11-23 22:37:06,605 INFO L435 NwaCegarLoop]: 305 mSDtfsCounter, 467 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:06,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 1094 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-23 22:37:06,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3261 states. [2024-11-23 22:37:06,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3261 to 3083. [2024-11-23 22:37:06,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3083 states, 2466 states have (on average 1.3763179237631793) internal successors, (3394), 2483 states have internal predecessors, (3394), 474 states have call successors, (474), 142 states have call predecessors, (474), 142 states have return successors, (474), 457 states have call predecessors, (474), 474 states have call successors, (474) [2024-11-23 22:37:07,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 3083 states and 4342 transitions. [2024-11-23 22:37:07,009 INFO L78 Accepts]: Start accepts. Automaton has 3083 states and 4342 transitions. Word has length 167 [2024-11-23 22:37:07,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:07,012 INFO L471 AbstractCegarLoop]: Abstraction has 3083 states and 4342 transitions. [2024-11-23 22:37:07,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:37:07,013 INFO L276 IsEmpty]: Start isEmpty. Operand 3083 states and 4342 transitions. [2024-11-23 22:37:07,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-23 22:37:07,016 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:07,016 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:07,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 22:37:07,017 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:07,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:07,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1220420413, now seen corresponding path program 1 times [2024-11-23 22:37:07,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:07,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113478741] [2024-11-23 22:37:07,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:07,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:08,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 22:37:08,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:08,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113478741] [2024-11-23 22:37:08,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113478741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:08,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:08,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 22:37:08,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489741804] [2024-11-23 22:37:08,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:08,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 22:37:08,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:08,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 22:37:08,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-23 22:37:08,105 INFO L87 Difference]: Start difference. First operand 3083 states and 4342 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:37:09,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:09,641 INFO L93 Difference]: Finished difference Result 6962 states and 9787 transitions. [2024-11-23 22:37:09,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 22:37:09,641 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 167 [2024-11-23 22:37:09,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:09,657 INFO L225 Difference]: With dead ends: 6962 [2024-11-23 22:37:09,658 INFO L226 Difference]: Without dead ends: 3882 [2024-11-23 22:37:09,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-23 22:37:09,664 INFO L435 NwaCegarLoop]: 243 mSDtfsCounter, 462 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:09,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 1035 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-23 22:37:09,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3882 states. [2024-11-23 22:37:10,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3882 to 3579. [2024-11-23 22:37:10,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3579 states, 2962 states have (on average 1.3855503038487509) internal successors, (4104), 2979 states have internal predecessors, (4104), 474 states have call successors, (474), 142 states have call predecessors, (474), 142 states have return successors, (474), 457 states have call predecessors, (474), 474 states have call successors, (474) [2024-11-23 22:37:10,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3579 states to 3579 states and 5052 transitions. [2024-11-23 22:37:10,059 INFO L78 Accepts]: Start accepts. Automaton has 3579 states and 5052 transitions. Word has length 167 [2024-11-23 22:37:10,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:10,060 INFO L471 AbstractCegarLoop]: Abstraction has 3579 states and 5052 transitions. [2024-11-23 22:37:10,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:37:10,061 INFO L276 IsEmpty]: Start isEmpty. Operand 3579 states and 5052 transitions. [2024-11-23 22:37:10,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-23 22:37:10,064 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:10,064 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:10,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 22:37:10,065 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:10,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:10,066 INFO L85 PathProgramCache]: Analyzing trace with hash -609894636, now seen corresponding path program 1 times [2024-11-23 22:37:10,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:10,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740883345] [2024-11-23 22:37:10,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:10,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:11,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 75 proven. 51 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2024-11-23 22:37:11,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:11,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740883345] [2024-11-23 22:37:11,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740883345] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 22:37:11,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495649588] [2024-11-23 22:37:11,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:11,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:37:11,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:37:11,061 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:37:11,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 22:37:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:11,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-23 22:37:11,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:37:12,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 655 proven. 171 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-11-23 22:37:12,941 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 22:37:14,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 111 proven. 135 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2024-11-23 22:37:14,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495649588] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 22:37:14,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 22:37:14,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 18, 17] total 37 [2024-11-23 22:37:14,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789200349] [2024-11-23 22:37:14,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 22:37:14,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-23 22:37:14,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:14,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-23 22:37:14,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=314, Invalid=1018, Unknown=0, NotChecked=0, Total=1332 [2024-11-23 22:37:14,668 INFO L87 Difference]: Start difference. First operand 3579 states and 5052 transitions. Second operand has 37 states, 36 states have (on average 3.9722222222222223) internal successors, (143), 35 states have internal predecessors, (143), 12 states have call successors, (56), 6 states have call predecessors, (56), 13 states have return successors, (58), 11 states have call predecessors, (58), 12 states have call successors, (58) [2024-11-23 22:37:19,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:19,409 INFO L93 Difference]: Finished difference Result 7824 states and 10833 transitions. [2024-11-23 22:37:19,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-11-23 22:37:19,410 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 3.9722222222222223) internal successors, (143), 35 states have internal predecessors, (143), 12 states have call successors, (56), 6 states have call predecessors, (56), 13 states have return successors, (58), 11 states have call predecessors, (58), 12 states have call successors, (58) Word has length 167 [2024-11-23 22:37:19,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:19,430 INFO L225 Difference]: With dead ends: 7824 [2024-11-23 22:37:19,431 INFO L226 Difference]: Without dead ends: 5327 [2024-11-23 22:37:19,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2482 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=2525, Invalid=6405, Unknown=0, NotChecked=0, Total=8930 [2024-11-23 22:37:19,439 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 729 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 1856 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 735 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 2067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 1856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:19,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [735 Valid, 1121 Invalid, 2067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 1856 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-23 22:37:19,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5327 states. [2024-11-23 22:37:19,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5327 to 2870. [2024-11-23 22:37:19,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2870 states, 2421 states have (on average 1.3952912019826518) internal successors, (3378), 2421 states have internal predecessors, (3378), 322 states have call successors, (322), 126 states have call predecessors, (322), 126 states have return successors, (322), 322 states have call predecessors, (322), 322 states have call successors, (322) [2024-11-23 22:37:19,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2870 states and 4022 transitions. [2024-11-23 22:37:19,813 INFO L78 Accepts]: Start accepts. Automaton has 2870 states and 4022 transitions. Word has length 167 [2024-11-23 22:37:19,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:19,814 INFO L471 AbstractCegarLoop]: Abstraction has 2870 states and 4022 transitions. [2024-11-23 22:37:19,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 3.9722222222222223) internal successors, (143), 35 states have internal predecessors, (143), 12 states have call successors, (56), 6 states have call predecessors, (56), 13 states have return successors, (58), 11 states have call predecessors, (58), 12 states have call successors, (58) [2024-11-23 22:37:19,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 4022 transitions. [2024-11-23 22:37:19,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-23 22:37:19,817 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:19,817 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:19,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 22:37:20,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:37:20,020 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:20,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:20,021 INFO L85 PathProgramCache]: Analyzing trace with hash 920894165, now seen corresponding path program 1 times [2024-11-23 22:37:20,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:20,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951630859] [2024-11-23 22:37:20,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:20,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:20,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 22:37:20,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:20,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951630859] [2024-11-23 22:37:20,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951630859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:20,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:20,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:37:20,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978126180] [2024-11-23 22:37:20,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:20,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:37:20,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:20,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:37:20,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:37:20,273 INFO L87 Difference]: Start difference. First operand 2870 states and 4022 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:37:21,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:21,150 INFO L93 Difference]: Finished difference Result 6806 states and 9616 transitions. [2024-11-23 22:37:21,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:37:21,151 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 167 [2024-11-23 22:37:21,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:21,167 INFO L225 Difference]: With dead ends: 6806 [2024-11-23 22:37:21,167 INFO L226 Difference]: Without dead ends: 3939 [2024-11-23 22:37:21,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-23 22:37:21,173 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 141 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:21,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 625 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 22:37:21,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3939 states. [2024-11-23 22:37:21,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3939 to 3315. [2024-11-23 22:37:21,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3315 states, 2866 states have (on average 1.4204466154919748) internal successors, (4071), 2866 states have internal predecessors, (4071), 322 states have call successors, (322), 126 states have call predecessors, (322), 126 states have return successors, (322), 322 states have call predecessors, (322), 322 states have call successors, (322) [2024-11-23 22:37:21,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3315 states to 3315 states and 4715 transitions. [2024-11-23 22:37:21,634 INFO L78 Accepts]: Start accepts. Automaton has 3315 states and 4715 transitions. Word has length 167 [2024-11-23 22:37:21,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:21,634 INFO L471 AbstractCegarLoop]: Abstraction has 3315 states and 4715 transitions. [2024-11-23 22:37:21,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:37:21,635 INFO L276 IsEmpty]: Start isEmpty. Operand 3315 states and 4715 transitions. [2024-11-23 22:37:21,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-23 22:37:21,638 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:21,638 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:21,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 22:37:21,638 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:21,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:21,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1600952535, now seen corresponding path program 1 times [2024-11-23 22:37:21,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:21,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967161781] [2024-11-23 22:37:21,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:21,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:21,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 22:37:21,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:21,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967161781] [2024-11-23 22:37:21,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967161781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:21,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:21,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 22:37:21,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819314916] [2024-11-23 22:37:21,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:21,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:37:21,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:21,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:37:21,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:37:21,908 INFO L87 Difference]: Start difference. First operand 3315 states and 4715 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 22:37:22,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:22,863 INFO L93 Difference]: Finished difference Result 5360 states and 7613 transitions. [2024-11-23 22:37:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 22:37:22,864 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 167 [2024-11-23 22:37:22,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:22,876 INFO L225 Difference]: With dead ends: 5360 [2024-11-23 22:37:22,876 INFO L226 Difference]: Without dead ends: 3345 [2024-11-23 22:37:22,879 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-23 22:37:22,880 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 460 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:22,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 644 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 22:37:22,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3345 states. [2024-11-23 22:37:23,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3345 to 3305. [2024-11-23 22:37:23,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3305 states, 2856 states have (on average 1.4187675070028012) internal successors, (4052), 2856 states have internal predecessors, (4052), 322 states have call successors, (322), 126 states have call predecessors, (322), 126 states have return successors, (322), 322 states have call predecessors, (322), 322 states have call successors, (322) [2024-11-23 22:37:23,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3305 states to 3305 states and 4696 transitions. [2024-11-23 22:37:23,106 INFO L78 Accepts]: Start accepts. Automaton has 3305 states and 4696 transitions. Word has length 167 [2024-11-23 22:37:23,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:23,107 INFO L471 AbstractCegarLoop]: Abstraction has 3305 states and 4696 transitions. [2024-11-23 22:37:23,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-23 22:37:23,107 INFO L276 IsEmpty]: Start isEmpty. Operand 3305 states and 4696 transitions. [2024-11-23 22:37:23,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-23 22:37:23,111 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:23,111 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:23,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 22:37:23,111 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:23,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:23,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1502139213, now seen corresponding path program 1 times [2024-11-23 22:37:23,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:23,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713849236] [2024-11-23 22:37:23,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:23,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 22:37:23,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1931718798] [2024-11-23 22:37:23,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:23,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:37:23,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:37:23,204 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:37:23,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 22:37:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:37:23,605 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:37:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:37:23,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 22:37:23,960 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 22:37:23,961 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 22:37:23,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-23 22:37:24,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-23 22:37:24,168 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:24,367 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:37:24,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:37:24 BoogieIcfgContainer [2024-11-23 22:37:24,373 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:37:24,374 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:37:24,374 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:37:24,374 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:37:24,375 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:36:32" (3/4) ... [2024-11-23 22:37:24,377 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 22:37:24,378 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:37:24,379 INFO L158 Benchmark]: Toolchain (without parser) took 53285.28ms. Allocated memory was 142.6MB in the beginning and 981.5MB in the end (delta: 838.9MB). Free memory was 100.5MB in the beginning and 923.9MB in the end (delta: -823.4MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-11-23 22:37:24,379 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:37:24,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.74ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 85.1MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 22:37:24,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.52ms. Allocated memory is still 142.6MB. Free memory was 85.1MB in the beginning and 80.0MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:37:24,380 INFO L158 Benchmark]: Boogie Preprocessor took 101.67ms. Allocated memory is still 142.6MB. Free memory was 80.0MB in the beginning and 74.4MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:37:24,381 INFO L158 Benchmark]: RCFGBuilder took 851.58ms. Allocated memory is still 142.6MB. Free memory was 74.4MB in the beginning and 42.9MB in the end (delta: 31.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-23 22:37:24,381 INFO L158 Benchmark]: TraceAbstraction took 51808.89ms. Allocated memory was 142.6MB in the beginning and 981.5MB in the end (delta: 838.9MB). Free memory was 42.5MB in the beginning and 924.2MB in the end (delta: -881.6MB). Peak memory consumption was 219.6MB. Max. memory is 16.1GB. [2024-11-23 22:37:24,382 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 981.5MB. Free memory was 924.2MB in the beginning and 923.9MB in the end (delta: 313.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:37:24,383 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.74ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 85.1MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.52ms. Allocated memory is still 142.6MB. Free memory was 85.1MB in the beginning and 80.0MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 101.67ms. Allocated memory is still 142.6MB. Free memory was 80.0MB in the beginning and 74.4MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 851.58ms. Allocated memory is still 142.6MB. Free memory was 74.4MB in the beginning and 42.9MB in the end (delta: 31.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 51808.89ms. Allocated memory was 142.6MB in the beginning and 981.5MB in the end (delta: 838.9MB). Free memory was 42.5MB in the beginning and 924.2MB in the end (delta: -881.6MB). Peak memory consumption was 219.6MB. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 981.5MB. Free memory was 924.2MB in the beginning and 923.9MB in the end (delta: 313.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 103, overapproximation of bitwiseOr at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 175, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 148, overapproximation of someBinaryDOUBLEComparisonOperation at line 150, overapproximation of someBinaryDOUBLEComparisonOperation at line 147, overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 175, overapproximation of someBinaryDOUBLEComparisonOperation at line 116. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -64; [L23] unsigned char var_1_3 = 1; [L24] signed char var_1_5 = -32; [L25] unsigned short int var_1_6 = 256; [L26] unsigned long int var_1_10 = 256; [L27] double var_1_12 = 8.2; [L28] signed char var_1_13 = 16; [L29] signed char var_1_14 = 10; [L30] double var_1_15 = 199.125; [L31] double var_1_16 = 9.4; [L32] double var_1_17 = 9999999999999.6; [L33] unsigned char var_1_20 = 32; [L34] unsigned char var_1_21 = 128; [L35] unsigned char var_1_22 = 64; [L36] unsigned long int var_1_23 = 64; [L37] unsigned long int var_1_24 = 5; [L38] signed short int var_1_28 = 256; [L39] signed long int var_1_30 = -4; [L40] double var_1_32 = 0.0; [L41] unsigned short int var_1_34 = 34858; [L42] unsigned short int var_1_35 = 41225; [L43] double var_1_37 = 63.63; [L44] signed char var_1_39 = 10; [L45] signed char var_1_40 = -25; [L46] signed char var_1_41 = 4; [L47] unsigned char var_1_42 = 50; [L48] unsigned long int last_1_var_1_10 = 256; [L49] unsigned char last_1_var_1_20 = 32; VAL [isInitial=0, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=1, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L179] isInitial = 1 [L180] FCALL initially() [L182] CALL updateLastVariables() [L171] last_1_var_1_10 = var_1_10 [L172] last_1_var_1_20 = var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=1, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L182] RET updateLastVariables() [L183] CALL updateVariables() [L134] var_1_3 = __VERIFIER_nondet_uchar() [L135] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L135] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L136] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L136] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L137] var_1_5 = __VERIFIER_nondet_char() [L138] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L138] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L139] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L139] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L140] var_1_13 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L141] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L142] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L142] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L143] var_1_14 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L144] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L145] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L145] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L146] var_1_15 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L147] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L148] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L148] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L149] var_1_16 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L150] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L151] var_1_21 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_21 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L152] RET assume_abort_if_not(var_1_21 >= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L153] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L153] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L154] var_1_22 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L155] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L156] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L156] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L157] var_1_34 = __VERIFIER_nondet_ushort() [L158] CALL assume_abort_if_not(var_1_34 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L158] RET assume_abort_if_not(var_1_34 >= 32767) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L159] CALL assume_abort_if_not(var_1_34 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L159] RET assume_abort_if_not(var_1_34 <= 65535) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L160] var_1_35 = __VERIFIER_nondet_ushort() [L161] CALL assume_abort_if_not(var_1_35 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L161] RET assume_abort_if_not(var_1_35 >= 32767) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L162] CALL assume_abort_if_not(var_1_35 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L162] RET assume_abort_if_not(var_1_35 <= 65535) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L163] var_1_40 = __VERIFIER_nondet_char() [L164] CALL assume_abort_if_not(var_1_40 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L164] RET assume_abort_if_not(var_1_40 >= -63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L165] CALL assume_abort_if_not(var_1_40 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L165] RET assume_abort_if_not(var_1_40 <= 63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L166] var_1_41 = __VERIFIER_nondet_char() [L167] CALL assume_abort_if_not(var_1_41 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L167] RET assume_abort_if_not(var_1_41 >= -63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L168] CALL assume_abort_if_not(var_1_41 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L168] RET assume_abort_if_not(var_1_41 <= 63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L183] RET updateVariables() [L184] CALL step() [L53] COND FALSE !(\read(var_1_3)) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L58] signed long int stepLocal_2 = var_1_5 * var_1_13; VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_2=258, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L59] COND TRUE stepLocal_2 > last_1_var_1_10 [L60] var_1_20 = ((((((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) < 0 ) ? -(((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) : (((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L62] COND TRUE (((((var_1_14 - var_1_20)) < (var_1_5)) ? ((var_1_14 - var_1_20)) : (var_1_5))) < var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L63] COND FALSE !(\read(var_1_3)) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L67] unsigned char stepLocal_1 = var_1_17 <= var_1_17; VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L68] COND FALSE !(stepLocal_1 || var_1_3) [L73] var_1_12 = var_1_16 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L75] COND FALSE !(99999.8f < var_1_17) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L86] COND FALSE !((var_1_17 + var_1_12) <= var_1_17) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L91] EXPR var_1_6 ^ var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L91] unsigned long int stepLocal_0 = (var_1_6 ^ var_1_20) + var_1_23; [L92] COND FALSE !(var_1_20 <= stepLocal_0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L97] COND TRUE var_1_20 >= ((((var_1_14) > (var_1_23)) ? (var_1_14) : (var_1_23))) [L98] var_1_24 = ((((((((var_1_23) > (var_1_20)) ? (var_1_23) : (var_1_20)))) < (var_1_14)) ? (((((var_1_23) > (var_1_20)) ? (var_1_23) : (var_1_20)))) : (var_1_14))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L102] var_1_28 = var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L103] EXPR var_1_6 ^ var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L103] COND TRUE ((var_1_6 ^ var_1_20) % var_1_21) > -10 [L104] var_1_30 = ((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=128, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L106] EXPR ((((var_1_22) > (-16)) ? (var_1_22) : (-16))) & 16 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=128, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L106] COND TRUE (~ var_1_5) <= (((((var_1_22) > (-16)) ? (var_1_22) : (-16))) & 16) [L107] var_1_32 = var_1_16 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=128, var_1_32=2, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L115] EXPR var_1_35 & var_1_14 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=128, var_1_32=2, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L115] EXPR (var_1_35 & var_1_14) >> var_1_22 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=128, var_1_32=2, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L115] COND TRUE var_1_20 >= ((var_1_35 & var_1_14) >> var_1_22) [L116] var_1_37 = ((((var_1_16) < (var_1_16)) ? (var_1_16) : (var_1_16))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=128, var_1_32=2, var_1_34=32767, var_1_35=32768, var_1_37=2, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L118] var_1_39 = (var_1_40 + ((((var_1_41) < 0 ) ? -(var_1_41) : (var_1_41)))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=128, var_1_32=2, var_1_34=32767, var_1_35=32768, var_1_37=2, var_1_39=1, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L119] COND FALSE !(var_1_22 > var_1_21) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=128, var_1_32=2, var_1_34=32767, var_1_35=32768, var_1_37=2, var_1_39=1, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L184] RET step() [L185] CALL, EXPR property() [L175] EXPR (((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=128, var_1_32=2, var_1_34=32767, var_1_35=32768, var_1_37=2, var_1_39=1, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L175-L176] return (((((((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1)) && (((var_1_17 <= var_1_17) || var_1_3) ? (((var_1_17 / var_1_15) > 25.25) ? (var_1_12 == ((double) 128.5)) : 1) : (var_1_12 == ((double) var_1_16)))) && (((((((var_1_14 - var_1_20)) < (var_1_5)) ? ((var_1_14 - var_1_20)) : (var_1_5))) < var_1_20) ? (var_1_3 ? (var_1_17 == ((double) 128.1)) : 1) : 1)) && (((var_1_5 * var_1_13) > last_1_var_1_10) ? (var_1_20 == ((unsigned char) ((((((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) < 0 ) ? -(((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) : (((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))))))) : 1)) && (((var_1_17 + var_1_12) <= var_1_17) ? ((var_1_6 >= var_1_6) ? (var_1_23 == ((unsigned long int) var_1_20)) : 1) : 1) ; [L185] RET, EXPR property() [L185] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=128, var_1_32=2, var_1_34=32767, var_1_35=32768, var_1_37=2, var_1_39=1, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=128, var_1_32=2, var_1_34=32767, var_1_35=32768, var_1_37=2, var_1_39=1, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 106 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 51.5s, OverallIterations: 18, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 24.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7828 SdHoareTripleChecker+Valid, 12.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7809 mSDsluCounter, 11265 SdHoareTripleChecker+Invalid, 10.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8135 mSDsCounter, 2039 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8960 IncrementalHoareTripleChecker+Invalid, 10999 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2039 mSolverCounterUnsat, 3130 mSDtfsCounter, 8960 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1485 GetRequests, 1174 SyntacticMatches, 0 SemanticMatches, 311 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5162 ImplicationChecksByTransitivity, 9.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3679occurred in iteration=9, InterpolantAutomatonStates: 239, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.4s AutomataMinimizationTime, 17 MinimizatonAttempts, 8382 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 18.0s InterpolantComputationTime, 3781 NumberOfCodeBlocks, 3781 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 3919 ConstructedInterpolants, 0 QuantifiedInterpolants, 21939 SizeOfPredicates, 16 NumberOfNonLiveVariables, 1554 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 24 InterpolantComputations, 14 PerfectInterpolantSequences, 23584/24288 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 22:37:24,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC --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 c576a24d45ab301447d14f0f509fbb4fda0d590a05a36555d57f7b59c4fd472a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:37:27,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:37:27,214 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 22:37:27,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:37:27,230 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:37:27,262 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:37:27,264 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:37:27,264 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:37:27,265 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:37:27,265 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:37:27,266 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:37:27,266 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:37:27,267 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:37:27,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:37:27,268 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:37:27,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:37:27,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:37:27,268 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:37:27,268 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:37:27,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:37:27,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:37:27,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:37:27,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:37:27,269 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 22:37:27,269 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 22:37:27,269 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 22:37:27,269 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:37:27,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:37:27,270 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:37:27,270 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:37:27,270 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:37:27,271 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:37:27,271 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:37:27,271 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:37:27,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:37:27,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:37:27,271 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:37:27,271 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:37:27,271 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:37:27,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:37:27,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:37:27,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:37:27,272 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:37:27,273 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:37:27,273 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 22:37:27,273 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 22:37:27,273 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:37:27,273 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:37:27,274 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:37:27,274 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:37:27,274 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_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC 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 -> c576a24d45ab301447d14f0f509fbb4fda0d590a05a36555d57f7b59c4fd472a [2024-11-23 22:37:27,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:37:27,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:37:27,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:37:27,620 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:37:27,620 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:37:27,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i [2024-11-23 22:37:30,689 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/data/3fa191d5a/bc3bc6bbfee84fca95d3f5cd0fea3d73/FLAGd2f1f5b04 [2024-11-23 22:37:31,045 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:37:31,049 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i [2024-11-23 22:37:31,064 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/data/3fa191d5a/bc3bc6bbfee84fca95d3f5cd0fea3d73/FLAGd2f1f5b04 [2024-11-23 22:37:31,084 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/data/3fa191d5a/bc3bc6bbfee84fca95d3f5cd0fea3d73 [2024-11-23 22:37:31,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:37:31,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:37:31,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:37:31,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:37:31,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:37:31,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:37:31" (1/1) ... [2024-11-23 22:37:31,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@136e8a06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:31, skipping insertion in model container [2024-11-23 22:37:31,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:37:31" (1/1) ... [2024-11-23 22:37:31,131 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:37:31,307 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_a5c63075-1ab0-4607-8ce7-0ad444482812/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i[918,931] [2024-11-23 22:37:31,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:37:31,424 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:37:31,441 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_a5c63075-1ab0-4607-8ce7-0ad444482812/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i[918,931] [2024-11-23 22:37:31,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:37:31,528 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:37:31,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:31 WrapperNode [2024-11-23 22:37:31,529 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:37:31,531 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:37:31,531 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:37:31,531 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:37:31,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:31" (1/1) ... [2024-11-23 22:37:31,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:31" (1/1) ... [2024-11-23 22:37:31,598 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2024-11-23 22:37:31,603 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:37:31,604 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:37:31,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:37:31,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:37:31,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:31" (1/1) ... [2024-11-23 22:37:31,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:31" (1/1) ... [2024-11-23 22:37:31,623 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:31" (1/1) ... [2024-11-23 22:37:31,649 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 22:37:31,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:31" (1/1) ... [2024-11-23 22:37:31,650 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:31" (1/1) ... [2024-11-23 22:37:31,669 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:31" (1/1) ... [2024-11-23 22:37:31,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:31" (1/1) ... [2024-11-23 22:37:31,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:31" (1/1) ... [2024-11-23 22:37:31,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:31" (1/1) ... [2024-11-23 22:37:31,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:31" (1/1) ... [2024-11-23 22:37:31,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:37:31,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:37:31,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:37:31,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:37:31,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:31" (1/1) ... [2024-11-23 22:37:31,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:37:31,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:37:31,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:37:31,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:37:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:37:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 22:37:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 22:37:31,769 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 22:37:31,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:37:31,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:37:31,905 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:37:31,907 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:37:47,480 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-23 22:37:47,480 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:37:47,491 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:37:47,492 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 22:37:47,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:37:47 BoogieIcfgContainer [2024-11-23 22:37:47,492 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:37:47,495 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:37:47,495 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:37:47,500 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:37:47,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:37:31" (1/3) ... [2024-11-23 22:37:47,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c444ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:37:47, skipping insertion in model container [2024-11-23 22:37:47,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:31" (2/3) ... [2024-11-23 22:37:47,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c444ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:37:47, skipping insertion in model container [2024-11-23 22:37:47,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:37:47" (3/3) ... [2024-11-23 22:37:47,504 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i [2024-11-23 22:37:47,521 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:37:47,523 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i that has 2 procedures, 83 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 22:37:47,590 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:37:47,601 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;@3565873e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:37:47,601 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 22:37:47,605 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 57 states have (on average 1.5087719298245614) internal successors, (86), 58 states have internal predecessors, (86), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-23 22:37:47,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-23 22:37:47,623 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:47,624 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:37:47,625 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:37:47,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:47,630 INFO L85 PathProgramCache]: Analyzing trace with hash 993755553, now seen corresponding path program 1 times [2024-11-23 22:37:47,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:37:47,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [768390670] [2024-11-23 22:37:47,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:47,640 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:37:47,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:37:47,643 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 22:37:47,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-23 22:37:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:48,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 22:37:48,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:37:51,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 22:37:51,704 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:37:51,705 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:37:51,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [768390670] [2024-11-23 22:37:51,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [768390670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:51,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:51,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:37:51,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257823422] [2024-11-23 22:37:51,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:51,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:37:51,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:37:51,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:37:51,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:37:51,743 INFO L87 Difference]: Start difference. First operand has 83 states, 57 states have (on average 1.5087719298245614) internal successors, (86), 58 states have internal predecessors, (86), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:37:56,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:37:58,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:38:00,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:38:04,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:38:08,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:38:15,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:38:19,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:38:23,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:38:27,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:38:27,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:38:27,558 INFO L93 Difference]: Finished difference Result 235 states and 430 transitions. [2024-11-23 22:38:27,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:38:27,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 153 [2024-11-23 22:38:27,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:38:27,569 INFO L225 Difference]: With dead ends: 235 [2024-11-23 22:38:27,569 INFO L226 Difference]: Without dead ends: 155 [2024-11-23 22:38:27,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:38:27,579 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 49 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.7s IncrementalHoareTripleChecker+Time [2024-11-23 22:38:27,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 394 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 6 Unknown, 0 Unchecked, 35.7s Time] [2024-11-23 22:38:27,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-23 22:38:27,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 153. [2024-11-23 22:38:27,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 104 states have (on average 1.4134615384615385) internal successors, (147), 104 states have internal predecessors, (147), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-23 22:38:27,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 239 transitions. [2024-11-23 22:38:27,654 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 239 transitions. Word has length 153 [2024-11-23 22:38:27,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:38:27,657 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 239 transitions. [2024-11-23 22:38:27,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:38:27,658 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 239 transitions. [2024-11-23 22:38:27,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-23 22:38:27,661 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:38:27,661 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:38:27,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-23 22:38:27,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:38:27,862 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:38:27,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:38:27,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1334272061, now seen corresponding path program 1 times [2024-11-23 22:38:27,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:38:27,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [126675185] [2024-11-23 22:38:27,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:38:27,864 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:38:27,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:38:27,866 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 22:38:27,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-23 22:38:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:38:29,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 22:38:29,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:38:29,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 22:38:29,108 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:38:29,108 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:38:29,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [126675185] [2024-11-23 22:38:29,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [126675185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:38:29,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:38:29,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:38:29,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461101594] [2024-11-23 22:38:29,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:38:29,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:38:29,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:38:29,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:38:29,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:38:29,111 INFO L87 Difference]: Start difference. First operand 153 states and 239 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:38:33,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:38:37,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:38:38,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:38:38,041 INFO L93 Difference]: Finished difference Result 367 states and 574 transitions. [2024-11-23 22:38:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:38:38,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 154 [2024-11-23 22:38:38,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:38:38,045 INFO L225 Difference]: With dead ends: 367 [2024-11-23 22:38:38,045 INFO L226 Difference]: Without dead ends: 217 [2024-11-23 22:38:38,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:38:38,047 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 46 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2024-11-23 22:38:38,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 230 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 17 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2024-11-23 22:38:38,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-23 22:38:38,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 202. [2024-11-23 22:38:38,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 153 states have (on average 1.4444444444444444) internal successors, (221), 153 states have internal predecessors, (221), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-23 22:38:38,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 313 transitions. [2024-11-23 22:38:38,073 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 313 transitions. Word has length 154 [2024-11-23 22:38:38,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:38:38,074 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 313 transitions. [2024-11-23 22:38:38,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:38:38,074 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 313 transitions. [2024-11-23 22:38:38,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-23 22:38:38,076 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:38:38,077 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:38:38,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-23 22:38:38,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:38:38,278 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:38:38,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:38:38,278 INFO L85 PathProgramCache]: Analyzing trace with hash 421856349, now seen corresponding path program 1 times [2024-11-23 22:38:38,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:38:38,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1176304126] [2024-11-23 22:38:38,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:38:38,279 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:38:38,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:38:38,281 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 22:38:38,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-23 22:38:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:38:39,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 22:38:39,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:38:39,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 22:38:39,582 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:38:39,582 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:38:39,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1176304126] [2024-11-23 22:38:39,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1176304126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:38:39,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:38:39,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:38:39,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909961548] [2024-11-23 22:38:39,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:38:39,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:38:39,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:38:39,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:38:39,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:38:39,585 INFO L87 Difference]: Start difference. First operand 202 states and 313 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:38:43,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:38:48,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:38:48,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:38:48,438 INFO L93 Difference]: Finished difference Result 415 states and 638 transitions. [2024-11-23 22:38:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:38:48,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 155 [2024-11-23 22:38:48,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:38:48,441 INFO L225 Difference]: With dead ends: 415 [2024-11-23 22:38:48,441 INFO L226 Difference]: Without dead ends: 216 [2024-11-23 22:38:48,442 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:38:48,443 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 43 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2024-11-23 22:38:48,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 248 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2024-11-23 22:38:48,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-23 22:38:48,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 202. [2024-11-23 22:38:48,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 153 states have (on average 1.392156862745098) internal successors, (213), 153 states have internal predecessors, (213), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-23 22:38:48,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 305 transitions. [2024-11-23 22:38:48,467 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 305 transitions. Word has length 155 [2024-11-23 22:38:48,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:38:48,468 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 305 transitions. [2024-11-23 22:38:48,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:38:48,469 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 305 transitions. [2024-11-23 22:38:48,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-23 22:38:48,471 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:38:48,471 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:38:48,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-23 22:38:48,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:38:48,672 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:38:48,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:38:48,673 INFO L85 PathProgramCache]: Analyzing trace with hash 160318258, now seen corresponding path program 1 times [2024-11-23 22:38:48,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:38:48,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [180224312] [2024-11-23 22:38:48,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:38:48,674 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:38:48,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:38:48,678 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 22:38:48,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-23 22:38:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:38:49,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 22:38:49,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:38:56,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 22:38:56,259 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:38:56,259 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:38:56,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [180224312] [2024-11-23 22:38:56,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [180224312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:38:56,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:38:56,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:38:56,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925741466] [2024-11-23 22:38:56,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:38:56,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:38:56,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:38:56,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:38:56,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:38:56,261 INFO L87 Difference]: Start difference. First operand 202 states and 305 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:39:03,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:39:07,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:39:11,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:39:15,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:39:19,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:39:23,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:39:27,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:39:31,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:39:35,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:39:39,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:39:43,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:39:47,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:39:51,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:39:55,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:40:01,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:40:05,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:40:06,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:40:06,062 INFO L93 Difference]: Finished difference Result 1212 states and 1829 transitions. [2024-11-23 22:40:06,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 22:40:06,063 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 156 [2024-11-23 22:40:06,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:40:06,071 INFO L225 Difference]: With dead ends: 1212 [2024-11-23 22:40:06,072 INFO L226 Difference]: Without dead ends: 1013 [2024-11-23 22:40:06,073 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-23 22:40:06,074 INFO L435 NwaCegarLoop]: 357 mSDtfsCounter, 285 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 48 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:40:06,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 1044 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 377 Invalid, 16 Unknown, 0 Unchecked, 69.1s Time] [2024-11-23 22:40:06,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2024-11-23 22:40:06,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 781. [2024-11-23 22:40:06,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 781 states, 588 states have (on average 1.380952380952381) internal successors, (812), 588 states have internal predecessors, (812), 184 states have call successors, (184), 8 states have call predecessors, (184), 8 states have return successors, (184), 184 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-23 22:40:06,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1180 transitions. [2024-11-23 22:40:06,235 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1180 transitions. Word has length 156 [2024-11-23 22:40:06,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:40:06,238 INFO L471 AbstractCegarLoop]: Abstraction has 781 states and 1180 transitions. [2024-11-23 22:40:06,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:40:06,239 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1180 transitions. [2024-11-23 22:40:06,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-23 22:40:06,242 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:40:06,242 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:40:06,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-23 22:40:06,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:40:06,443 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:40:06,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:40:06,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1645120076, now seen corresponding path program 1 times [2024-11-23 22:40:06,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:40:06,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1023934726] [2024-11-23 22:40:06,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:40:06,444 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:40:06,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:40:06,447 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 22:40:06,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-23 22:40:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:40:07,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 22:40:07,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:40:12,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-23 22:40:12,506 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:40:12,506 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:40:12,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1023934726] [2024-11-23 22:40:12,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1023934726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:40:12,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:40:12,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:40:12,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224907990] [2024-11-23 22:40:12,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:40:12,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:40:12,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:40:12,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:40:12,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:40:12,508 INFO L87 Difference]: Start difference. First operand 781 states and 1180 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:40:17,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:40:21,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:40:25,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:40:30,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:40:34,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 22:40:34,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:40:34,325 INFO L93 Difference]: Finished difference Result 2284 states and 3443 transitions. [2024-11-23 22:40:34,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:40:34,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 156 [2024-11-23 22:40:34,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:40:34,451 INFO L225 Difference]: With dead ends: 2284 [2024-11-23 22:40:34,451 INFO L226 Difference]: Without dead ends: 1506 [2024-11-23 22:40:34,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:40:34,455 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 121 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 48 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2024-11-23 22:40:34,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 366 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 40 Invalid, 5 Unknown, 0 Unchecked, 21.6s Time] [2024-11-23 22:40:34,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2024-11-23 22:40:34,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1189. [2024-11-23 22:40:34,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1189 states, 876 states have (on average 1.3584474885844748) internal successors, (1190), 876 states have internal predecessors, (1190), 299 states have call successors, (299), 13 states have call predecessors, (299), 13 states have return successors, (299), 299 states have call predecessors, (299), 299 states have call successors, (299) [2024-11-23 22:40:34,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1788 transitions. [2024-11-23 22:40:34,641 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1788 transitions. Word has length 156 [2024-11-23 22:40:34,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:40:34,642 INFO L471 AbstractCegarLoop]: Abstraction has 1189 states and 1788 transitions. [2024-11-23 22:40:34,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-23 22:40:34,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1788 transitions. [2024-11-23 22:40:34,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-23 22:40:34,646 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:40:34,646 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:40:34,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-23 22:40:34,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:40:34,850 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 22:40:34,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:40:34,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1424739218, now seen corresponding path program 1 times [2024-11-23 22:40:34,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:40:34,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [588849526] [2024-11-23 22:40:34,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:40:34,852 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 22:40:34,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 22:40:34,854 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 22:40:34,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5c63075-1ab0-4607-8ce7-0ad444482812/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-23 22:40:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:40:36,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-23 22:40:36,029 INFO L279 TraceCheckSpWp]: Computing forward predicates...