./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-83.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc543716-f81f-4c50-adc3-80e69991f458/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc543716-f81f-4c50-adc3-80e69991f458/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc543716-f81f-4c50-adc3-80e69991f458/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc543716-f81f-4c50-adc3-80e69991f458/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc543716-f81f-4c50-adc3-80e69991f458/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc543716-f81f-4c50-adc3-80e69991f458/bin/uautomizer-verify-4GaUIPS5ZU --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 e31a340a728b4b13c53c35406dccb6504a466f013456cf371c6079f0f2b7f2d6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:01:17,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:01:17,251 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc543716-f81f-4c50-adc3-80e69991f458/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:01:17,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:01:17,256 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:01:17,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:01:17,307 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:01:17,308 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:01:17,309 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:01:17,310 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:01:17,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:01:17,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:01:17,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:01:17,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:01:17,315 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:01:17,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:01:17,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:01:17,316 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:01:17,316 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:01:17,317 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:01:17,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:01:17,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:01:17,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:01:17,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:01:17,322 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:01:17,322 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:01:17,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:01:17,336 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:01:17,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:01:17,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:01:17,337 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:01:17,337 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:01:17,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:17,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:01:17,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:01:17,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:01:17,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:01:17,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:01:17,341 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:01:17,341 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:01:17,341 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:01:17,342 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:01:17,342 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc543716-f81f-4c50-adc3-80e69991f458/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc543716-f81f-4c50-adc3-80e69991f458/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e31a340a728b4b13c53c35406dccb6504a466f013456cf371c6079f0f2b7f2d6 [2024-10-31 22:01:17,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:01:17,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:01:17,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:01:17,708 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:01:17,709 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:01:17,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc543716-f81f-4c50-adc3-80e69991f458/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-83.i Unable to find full path for "g++" [2024-10-31 22:01:19,843 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:01:20,189 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:01:20,189 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc543716-f81f-4c50-adc3-80e69991f458/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-83.i [2024-10-31 22:01:20,207 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc543716-f81f-4c50-adc3-80e69991f458/bin/uautomizer-verify-4GaUIPS5ZU/data/e48f1ee0a/a5af383ad1bb4c3191de9fd471636f09/FLAG43fa6fbd4 [2024-10-31 22:01:20,222 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc543716-f81f-4c50-adc3-80e69991f458/bin/uautomizer-verify-4GaUIPS5ZU/data/e48f1ee0a/a5af383ad1bb4c3191de9fd471636f09 [2024-10-31 22:01:20,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:01:20,227 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:01:20,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:20,228 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:01:20,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:01:20,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:20" (1/1) ... [2024-10-31 22:01:20,243 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c309b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:20, skipping insertion in model container [2024-10-31 22:01:20,243 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:20" (1/1) ... [2024-10-31 22:01:20,328 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:01:20,570 WARN L251 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_fc543716-f81f-4c50-adc3-80e69991f458/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-83.i[916,929] [2024-10-31 22:01:20,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:20,930 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:01:20,948 WARN L251 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_fc543716-f81f-4c50-adc3-80e69991f458/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-83.i[916,929] [2024-10-31 22:01:21,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:21,197 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:01:21,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:21 WrapperNode [2024-10-31 22:01:21,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:21,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:21,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:01:21,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:01:21,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:21" (1/1) ... [2024-10-31 22:01:21,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:21" (1/1) ... [2024-10-31 22:01:21,405 INFO L138 Inliner]: procedures = 26, calls = 73, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 702 [2024-10-31 22:01:21,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:21,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:01:21,407 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:01:21,407 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:01:21,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:21" (1/1) ... [2024-10-31 22:01:21,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:21" (1/1) ... [2024-10-31 22:01:21,455 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:21" (1/1) ... [2024-10-31 22:01:21,597 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]. [2024-10-31 22:01:21,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:21" (1/1) ... [2024-10-31 22:01:21,597 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:21" (1/1) ... [2024-10-31 22:01:21,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:21" (1/1) ... [2024-10-31 22:01:21,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:21" (1/1) ... [2024-10-31 22:01:21,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:21" (1/1) ... [2024-10-31 22:01:21,660 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:21" (1/1) ... [2024-10-31 22:01:21,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:01:21,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:01:21,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:01:21,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:01:21,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:21" (1/1) ... [2024-10-31 22:01:21,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:21,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc543716-f81f-4c50-adc3-80e69991f458/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:21,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc543716-f81f-4c50-adc3-80e69991f458/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:21,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc543716-f81f-4c50-adc3-80e69991f458/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:01:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:01:21,791 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:01:21,792 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:01:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:01:21,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:01:21,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:01:21,980 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:01:21,982 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:01:23,561 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-10-31 22:01:23,561 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:01:23,590 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:01:23,594 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:01:23,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:23 BoogieIcfgContainer [2024-10-31 22:01:23,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:01:23,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:01:23,599 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:01:23,603 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:01:23,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:01:20" (1/3) ... [2024-10-31 22:01:23,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@373e9864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:01:23, skipping insertion in model container [2024-10-31 22:01:23,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:21" (2/3) ... [2024-10-31 22:01:23,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@373e9864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:01:23, skipping insertion in model container [2024-10-31 22:01:23,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:23" (3/3) ... [2024-10-31 22:01:23,609 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-83.i [2024-10-31 22:01:23,630 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:01:23,630 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:01:23,725 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:01:23,734 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;@45a1badd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:01:23,734 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:01:23,742 INFO L276 IsEmpty]: Start isEmpty. Operand has 268 states, 205 states have (on average 1.5658536585365854) internal successors, (321), 206 states have internal predecessors, (321), 60 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-10-31 22:01:23,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2024-10-31 22:01:23,782 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:23,784 INFO L215 NwaCegarLoop]: trace histogram [60, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:23,784 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:23,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:23,791 INFO L85 PathProgramCache]: Analyzing trace with hash -356447216, now seen corresponding path program 1 times [2024-10-31 22:01:23,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:23,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401977667] [2024-10-31 22:01:23,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:23,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:01:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:01:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:01:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:01:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:01:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:01:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:01:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:01:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:01:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:01:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:01:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:01:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:01:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:01:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:01:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:01:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:01:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:01:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-31 22:01:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-31 22:01:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-31 22:01:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-31 22:01:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-31 22:01:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-31 22:01:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-31 22:01:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-31 22:01:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-31 22:01:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-31 22:01:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-31 22:01:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-31 22:01:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-31 22:01:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-31 22:01:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-31 22:01:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-31 22:01:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-31 22:01:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-31 22:01:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-31 22:01:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-31 22:01:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-31 22:01:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-31 22:01:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-31 22:01:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-31 22:01:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-31 22:01:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-31 22:01:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-31 22:01:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-31 22:01:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-31 22:01:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-31 22:01:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-31 22:01:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-31 22:01:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-31 22:01:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-31 22:01:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-31 22:01:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-31 22:01:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-31 22:01:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-31 22:01:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-31 22:01:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-31 22:01:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-31 22:01:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-31 22:01:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,090 INFO L134 CoverageAnalysis]: Checked inductivity of 7080 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7080 trivial. 0 not checked. [2024-10-31 22:01:25,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:25,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401977667] [2024-10-31 22:01:25,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401977667] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:25,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:25,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:01:25,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110369365] [2024-10-31 22:01:25,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:25,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:01:25,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:25,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:01:25,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:01:25,139 INFO L87 Difference]: Start difference. First operand has 268 states, 205 states have (on average 1.5658536585365854) internal successors, (321), 206 states have internal predecessors, (321), 60 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) Second operand has 2 states, 2 states have (on average 57.5) internal successors, (115), 2 states have internal predecessors, (115), 2 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 1 states have call predecessors, (60), 2 states have call successors, (60) [2024-10-31 22:01:25,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:25,220 INFO L93 Difference]: Finished difference Result 529 states and 936 transitions. [2024-10-31 22:01:25,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:01:25,222 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 57.5) internal successors, (115), 2 states have internal predecessors, (115), 2 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 1 states have call predecessors, (60), 2 states have call successors, (60) Word has length 412 [2024-10-31 22:01:25,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:25,240 INFO L225 Difference]: With dead ends: 529 [2024-10-31 22:01:25,240 INFO L226 Difference]: Without dead ends: 264 [2024-10-31 22:01:25,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:01:25,251 INFO L432 NwaCegarLoop]: 431 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, 431 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 [2024-10-31 22:01:25,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:01:25,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-10-31 22:01:25,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2024-10-31 22:01:25,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 202 states have (on average 1.5396039603960396) internal successors, (311), 202 states have internal predecessors, (311), 60 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-10-31 22:01:25,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 431 transitions. [2024-10-31 22:01:25,348 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 431 transitions. Word has length 412 [2024-10-31 22:01:25,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:25,349 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 431 transitions. [2024-10-31 22:01:25,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 57.5) internal successors, (115), 2 states have internal predecessors, (115), 2 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 1 states have call predecessors, (60), 2 states have call successors, (60) [2024-10-31 22:01:25,349 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 431 transitions. [2024-10-31 22:01:25,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2024-10-31 22:01:25,366 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:25,366 INFO L215 NwaCegarLoop]: trace histogram [60, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:25,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:01:25,367 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:25,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:25,369 INFO L85 PathProgramCache]: Analyzing trace with hash 518660882, now seen corresponding path program 1 times [2024-10-31 22:01:25,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:25,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277129472] [2024-10-31 22:01:25,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:25,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:01:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:01:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:01:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:01:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:01:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:01:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:01:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:01:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:01:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:01:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:01:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:01:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:01:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:01:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:01:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:01:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:01:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:01:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-31 22:01:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-31 22:01:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-31 22:01:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-31 22:01:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-31 22:01:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-31 22:01:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-31 22:01:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-31 22:01:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-31 22:01:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-31 22:01:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-31 22:01:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:25,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-31 22:01:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-31 22:01:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-31 22:01:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-31 22:01:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-31 22:01:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-31 22:01:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-31 22:01:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-31 22:01:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-31 22:01:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-31 22:01:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-31 22:01:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-31 22:01:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-31 22:01:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-31 22:01:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-31 22:01:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-31 22:01:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-31 22:01:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-31 22:01:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-31 22:01:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-31 22:01:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-31 22:01:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-31 22:01:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-31 22:01:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-31 22:01:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-31 22:01:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-31 22:01:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-31 22:01:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-31 22:01:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-31 22:01:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-31 22:01:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-31 22:01:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:26,148 INFO L134 CoverageAnalysis]: Checked inductivity of 7080 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7080 trivial. 0 not checked. [2024-10-31 22:01:26,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:26,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277129472] [2024-10-31 22:01:26,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277129472] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:26,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:26,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:01:26,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557497169] [2024-10-31 22:01:26,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:26,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:26,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:26,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:26,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:26,154 INFO L87 Difference]: Start difference. First operand 264 states and 431 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) [2024-10-31 22:01:26,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:26,288 INFO L93 Difference]: Finished difference Result 784 states and 1283 transitions. [2024-10-31 22:01:26,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:26,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) Word has length 412 [2024-10-31 22:01:26,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:26,296 INFO L225 Difference]: With dead ends: 784 [2024-10-31 22:01:26,296 INFO L226 Difference]: Without dead ends: 523 [2024-10-31 22:01:26,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:26,299 INFO L432 NwaCegarLoop]: 425 mSDtfsCounter, 397 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:26,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 838 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:01:26,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-10-31 22:01:26,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 314. [2024-10-31 22:01:26,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 252 states have (on average 1.5674603174603174) internal successors, (395), 252 states have internal predecessors, (395), 60 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-10-31 22:01:26,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 515 transitions. [2024-10-31 22:01:26,375 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 515 transitions. Word has length 412 [2024-10-31 22:01:26,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:26,378 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 515 transitions. [2024-10-31 22:01:26,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) [2024-10-31 22:01:26,382 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 515 transitions. [2024-10-31 22:01:26,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2024-10-31 22:01:26,391 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:26,391 INFO L215 NwaCegarLoop]: trace histogram [60, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:26,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:01:26,392 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:26,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:26,393 INFO L85 PathProgramCache]: Analyzing trace with hash 2060171790, now seen corresponding path program 1 times [2024-10-31 22:01:26,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:26,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064187056] [2024-10-31 22:01:26,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:26,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:01:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:01:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:01:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:01:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:01:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:01:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:01:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:01:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:01:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:01:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:01:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:01:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:01:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:01:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:01:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:01:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:01:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:01:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-31 22:01:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-31 22:01:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-31 22:01:27,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-31 22:01:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-31 22:01:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-31 22:01:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-31 22:01:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-31 22:01:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-31 22:01:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-31 22:01:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-31 22:01:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-31 22:01:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-31 22:01:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-31 22:01:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-31 22:01:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-31 22:01:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-31 22:01:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-31 22:01:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-31 22:01:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-31 22:01:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-31 22:01:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-31 22:01:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-31 22:01:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-31 22:01:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-31 22:01:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-31 22:01:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-31 22:01:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-31 22:01:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-31 22:01:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-31 22:01:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-31 22:01:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-31 22:01:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-31 22:01:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-31 22:01:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:28,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-31 22:01:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:28,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-31 22:01:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:28,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-31 22:01:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:28,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-31 22:01:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:28,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-31 22:01:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:28,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-31 22:01:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:28,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-31 22:01:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:28,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-31 22:01:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:28,070 INFO L134 CoverageAnalysis]: Checked inductivity of 7080 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7080 trivial. 0 not checked. [2024-10-31 22:01:28,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:28,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064187056] [2024-10-31 22:01:28,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064187056] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:28,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:28,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 22:01:28,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207637954] [2024-10-31 22:01:28,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:28,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:01:28,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:28,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:01:28,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:01:28,077 INFO L87 Difference]: Start difference. First operand 314 states and 515 transitions. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 2 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2024-10-31 22:01:28,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:28,773 INFO L93 Difference]: Finished difference Result 937 states and 1540 transitions. [2024-10-31 22:01:28,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:01:28,774 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 2 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 412 [2024-10-31 22:01:28,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:28,779 INFO L225 Difference]: With dead ends: 937 [2024-10-31 22:01:28,780 INFO L226 Difference]: Without dead ends: 626 [2024-10-31 22:01:28,781 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:01:28,782 INFO L432 NwaCegarLoop]: 427 mSDtfsCounter, 468 mSDsluCounter, 1653 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 2080 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:28,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 2080 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-31 22:01:28,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2024-10-31 22:01:28,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 448. [2024-10-31 22:01:28,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 325 states have (on average 1.52) internal successors, (494), 325 states have internal predecessors, (494), 120 states have call successors, (120), 2 states have call predecessors, (120), 2 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2024-10-31 22:01:28,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 734 transitions. [2024-10-31 22:01:28,866 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 734 transitions. Word has length 412 [2024-10-31 22:01:28,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:28,867 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 734 transitions. [2024-10-31 22:01:28,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 2 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2024-10-31 22:01:28,869 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 734 transitions. [2024-10-31 22:01:28,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2024-10-31 22:01:28,878 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:28,879 INFO L215 NwaCegarLoop]: trace histogram [60, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:28,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:01:28,879 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:28,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:28,880 INFO L85 PathProgramCache]: Analyzing trace with hash -973878256, now seen corresponding path program 1 times [2024-10-31 22:01:28,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:28,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144653799] [2024-10-31 22:01:28,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:28,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:01:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:01:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:01:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:01:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:01:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:01:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:01:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:01:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:01:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:01:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:01:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:01:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:01:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:01:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:01:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:01:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:01:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:01:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-31 22:01:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-31 22:01:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-31 22:01:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-31 22:01:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-31 22:01:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-31 22:01:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-31 22:01:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-31 22:01:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-31 22:01:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-31 22:01:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-31 22:01:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-31 22:01:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-31 22:01:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-31 22:01:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:29,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-31 22:01:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-31 22:01:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-31 22:01:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-31 22:01:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-31 22:01:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-31 22:01:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-31 22:01:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-31 22:01:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-31 22:01:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-31 22:01:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-31 22:01:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-31 22:01:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-31 22:01:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-31 22:01:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-31 22:01:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-31 22:01:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-31 22:01:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-31 22:01:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-31 22:01:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-31 22:01:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-31 22:01:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-31 22:01:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-31 22:01:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-31 22:01:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-31 22:01:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-31 22:01:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-31 22:01:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-31 22:01:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:30,220 INFO L134 CoverageAnalysis]: Checked inductivity of 7080 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7080 trivial. 0 not checked. [2024-10-31 22:01:30,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:30,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144653799] [2024-10-31 22:01:30,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144653799] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:30,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:30,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:01:30,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41201870] [2024-10-31 22:01:30,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:30,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:01:30,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:30,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:01:30,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:01:30,224 INFO L87 Difference]: Start difference. First operand 448 states and 734 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) [2024-10-31 22:01:30,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:30,678 INFO L93 Difference]: Finished difference Result 960 states and 1578 transitions. [2024-10-31 22:01:30,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:01:30,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) Word has length 412 [2024-10-31 22:01:30,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:30,685 INFO L225 Difference]: With dead ends: 960 [2024-10-31 22:01:30,685 INFO L226 Difference]: Without dead ends: 626 [2024-10-31 22:01:30,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:01:30,687 INFO L432 NwaCegarLoop]: 428 mSDtfsCounter, 462 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 1270 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:30,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 1270 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-31 22:01:30,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2024-10-31 22:01:30,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 448. [2024-10-31 22:01:30,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 325 states have (on average 1.5169230769230768) internal successors, (493), 325 states have internal predecessors, (493), 120 states have call successors, (120), 2 states have call predecessors, (120), 2 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2024-10-31 22:01:30,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 733 transitions. [2024-10-31 22:01:30,747 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 733 transitions. Word has length 412 [2024-10-31 22:01:30,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:30,751 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 733 transitions. [2024-10-31 22:01:30,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) [2024-10-31 22:01:30,751 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 733 transitions. [2024-10-31 22:01:30,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2024-10-31 22:01:30,760 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:30,761 INFO L215 NwaCegarLoop]: trace histogram [60, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:30,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:01:30,761 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:30,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:30,762 INFO L85 PathProgramCache]: Analyzing trace with hash -53941101, now seen corresponding path program 1 times [2024-10-31 22:01:30,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:30,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697111269] [2024-10-31 22:01:30,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:30,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:31,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:01:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:31,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:01:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:31,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:01:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:31,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:01:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:31,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:01:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:31,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:01:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:31,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:01:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:31,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:01:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:31,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:01:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:31,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:01:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:31,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:01:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:31,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:01:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:01:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:01:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:01:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:01:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:01:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:01:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-31 22:01:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-31 22:01:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-31 22:01:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-31 22:01:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-31 22:01:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-31 22:01:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-31 22:01:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-31 22:01:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-31 22:01:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-31 22:01:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-31 22:01:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-31 22:01:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-31 22:01:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-31 22:01:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-31 22:01:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-31 22:01:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-31 22:01:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-31 22:01:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-31 22:01:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-31 22:01:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-31 22:01:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-31 22:01:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-31 22:01:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-31 22:01:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-31 22:01:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-31 22:01:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-31 22:01:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-31 22:01:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-31 22:01:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-31 22:01:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-31 22:01:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-31 22:01:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-31 22:01:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-31 22:01:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-31 22:01:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-31 22:01:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-31 22:01:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-31 22:01:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-31 22:01:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-31 22:01:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-31 22:01:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-31 22:01:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:32,435 INFO L134 CoverageAnalysis]: Checked inductivity of 7080 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7080 trivial. 0 not checked. [2024-10-31 22:01:32,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:32,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697111269] [2024-10-31 22:01:32,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697111269] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:32,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:32,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:01:32,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784788461] [2024-10-31 22:01:32,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:32,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:32,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:32,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:32,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:32,440 INFO L87 Difference]: Start difference. First operand 448 states and 733 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) [2024-10-31 22:01:32,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:32,616 INFO L93 Difference]: Finished difference Result 1089 states and 1787 transitions. [2024-10-31 22:01:32,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:32,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) Word has length 413 [2024-10-31 22:01:32,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:32,625 INFO L225 Difference]: With dead ends: 1089 [2024-10-31 22:01:32,625 INFO L226 Difference]: Without dead ends: 767 [2024-10-31 22:01:32,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:32,628 INFO L432 NwaCegarLoop]: 422 mSDtfsCounter, 309 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:32,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 834 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:01:32,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2024-10-31 22:01:32,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 764. [2024-10-31 22:01:32,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 580 states have (on average 1.5258620689655173) internal successors, (885), 580 states have internal predecessors, (885), 180 states have call successors, (180), 3 states have call predecessors, (180), 3 states have return successors, (180), 180 states have call predecessors, (180), 180 states have call successors, (180) [2024-10-31 22:01:32,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1245 transitions. [2024-10-31 22:01:32,728 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1245 transitions. Word has length 413 [2024-10-31 22:01:32,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:32,728 INFO L471 AbstractCegarLoop]: Abstraction has 764 states and 1245 transitions. [2024-10-31 22:01:32,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) [2024-10-31 22:01:32,729 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1245 transitions. [2024-10-31 22:01:32,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2024-10-31 22:01:32,737 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:32,737 INFO L215 NwaCegarLoop]: trace histogram [60, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:32,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:01:32,739 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:32,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:32,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1533009169, now seen corresponding path program 1 times [2024-10-31 22:01:32,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:32,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548235594] [2024-10-31 22:01:32,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:32,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:01:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:01:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:01:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:01:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:01:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:01:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:01:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:01:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:01:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:01:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:01:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:01:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:01:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:01:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:01:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:01:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:01:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:01:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-31 22:01:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-31 22:01:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-31 22:01:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-31 22:01:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-31 22:01:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-31 22:01:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-31 22:01:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-31 22:01:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-31 22:01:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-31 22:01:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-31 22:01:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-31 22:01:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-31 22:01:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-31 22:01:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-31 22:01:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-31 22:01:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-31 22:01:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-31 22:01:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-31 22:01:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-31 22:01:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-31 22:01:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-31 22:01:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-31 22:01:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-31 22:01:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-31 22:01:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-31 22:01:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-31 22:01:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-31 22:01:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-31 22:01:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-31 22:01:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-31 22:01:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-31 22:01:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-31 22:01:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-31 22:01:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-31 22:01:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-31 22:01:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-31 22:01:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-31 22:01:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-31 22:01:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-31 22:01:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-31 22:01:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-31 22:01:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:33,787 INFO L134 CoverageAnalysis]: Checked inductivity of 7080 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7080 trivial. 0 not checked. [2024-10-31 22:01:33,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:33,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548235594] [2024-10-31 22:01:33,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548235594] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:33,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:33,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:01:33,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990898591] [2024-10-31 22:01:33,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:33,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:33,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:33,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:33,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:33,792 INFO L87 Difference]: Start difference. First operand 764 states and 1245 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) [2024-10-31 22:01:33,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:33,897 INFO L93 Difference]: Finished difference Result 1994 states and 3255 transitions. [2024-10-31 22:01:33,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:33,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) Word has length 413 [2024-10-31 22:01:33,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:33,907 INFO L225 Difference]: With dead ends: 1994 [2024-10-31 22:01:33,907 INFO L226 Difference]: Without dead ends: 1379 [2024-10-31 22:01:33,909 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:33,912 INFO L432 NwaCegarLoop]: 427 mSDtfsCounter, 269 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:33,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 848 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:01:33,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-10-31 22:01:34,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1375. [2024-10-31 22:01:34,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1375 states, 1069 states have (on average 1.5369504209541627) internal successors, (1643), 1069 states have internal predecessors, (1643), 300 states have call successors, (300), 5 states have call predecessors, (300), 5 states have return successors, (300), 300 states have call predecessors, (300), 300 states have call successors, (300) [2024-10-31 22:01:34,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 1375 states and 2243 transitions. [2024-10-31 22:01:34,039 INFO L78 Accepts]: Start accepts. Automaton has 1375 states and 2243 transitions. Word has length 413 [2024-10-31 22:01:34,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:34,041 INFO L471 AbstractCegarLoop]: Abstraction has 1375 states and 2243 transitions. [2024-10-31 22:01:34,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) [2024-10-31 22:01:34,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 2243 transitions. [2024-10-31 22:01:34,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2024-10-31 22:01:34,049 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:34,050 INFO L215 NwaCegarLoop]: trace histogram [60, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:34,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:01:34,050 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:34,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:34,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1523578745, now seen corresponding path program 1 times [2024-10-31 22:01:34,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:34,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534884775] [2024-10-31 22:01:34,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:34,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:01:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:01:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:01:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:01:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:01:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:01:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:01:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:01:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:01:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:01:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:01:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:01:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:01:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:01:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:01:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:01:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:01:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:01:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-31 22:01:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-31 22:01:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-31 22:01:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-31 22:01:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-31 22:01:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-31 22:01:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-31 22:01:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-31 22:01:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-31 22:01:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-31 22:01:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-31 22:01:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-31 22:01:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-31 22:01:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-31 22:01:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-31 22:01:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-31 22:01:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-31 22:01:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-31 22:01:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-31 22:01:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-31 22:01:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-31 22:01:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-31 22:01:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-31 22:01:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-31 22:01:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-31 22:01:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-31 22:01:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-31 22:01:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-31 22:01:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-31 22:01:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-31 22:01:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-31 22:01:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-31 22:01:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-31 22:01:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-31 22:01:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-31 22:01:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-31 22:01:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-31 22:01:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-31 22:01:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-31 22:01:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-31 22:01:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-31 22:01:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-31 22:01:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:35,427 INFO L134 CoverageAnalysis]: Checked inductivity of 7080 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7080 trivial. 0 not checked. [2024-10-31 22:01:35,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:35,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534884775] [2024-10-31 22:01:35,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534884775] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:35,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:35,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:01:35,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910586291] [2024-10-31 22:01:35,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:35,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:01:35,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:35,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:01:35,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:01:35,432 INFO L87 Difference]: Start difference. First operand 1375 states and 2243 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) [2024-10-31 22:01:36,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:36,490 INFO L93 Difference]: Finished difference Result 3843 states and 6281 transitions. [2024-10-31 22:01:36,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:01:36,491 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) Word has length 414 [2024-10-31 22:01:36,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:36,509 INFO L225 Difference]: With dead ends: 3843 [2024-10-31 22:01:36,509 INFO L226 Difference]: Without dead ends: 2617 [2024-10-31 22:01:36,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:01:36,516 INFO L432 NwaCegarLoop]: 644 mSDtfsCounter, 413 mSDsluCounter, 1386 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 2030 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:36,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 2030 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-31 22:01:36,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2617 states. [2024-10-31 22:01:36,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2617 to 1587. [2024-10-31 22:01:36,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1587 states, 1281 states have (on average 1.5573770491803278) internal successors, (1995), 1281 states have internal predecessors, (1995), 300 states have call successors, (300), 5 states have call predecessors, (300), 5 states have return successors, (300), 300 states have call predecessors, (300), 300 states have call successors, (300) [2024-10-31 22:01:36,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 2595 transitions. [2024-10-31 22:01:36,719 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 2595 transitions. Word has length 414 [2024-10-31 22:01:36,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:36,720 INFO L471 AbstractCegarLoop]: Abstraction has 1587 states and 2595 transitions. [2024-10-31 22:01:36,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) [2024-10-31 22:01:36,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 2595 transitions. [2024-10-31 22:01:36,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2024-10-31 22:01:36,729 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:36,730 INFO L215 NwaCegarLoop]: trace histogram [60, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:36,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:01:36,730 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:36,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:36,731 INFO L85 PathProgramCache]: Analyzing trace with hash 283965739, now seen corresponding path program 1 times [2024-10-31 22:01:36,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:36,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765406253] [2024-10-31 22:01:36,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:36,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:01:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:01:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:01:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:01:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:01:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:01:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:01:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:01:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:01:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:01:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:01:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:01:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:01:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:01:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:01:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:01:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:01:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:01:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-31 22:01:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-31 22:01:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-31 22:01:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-31 22:01:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-31 22:01:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-31 22:01:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-31 22:01:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-31 22:01:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-31 22:01:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-31 22:01:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-31 22:01:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-31 22:01:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-31 22:01:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-31 22:01:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-31 22:01:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-31 22:01:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-31 22:01:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-31 22:01:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-31 22:01:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-31 22:01:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-31 22:01:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-31 22:01:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-31 22:01:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-31 22:01:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-31 22:01:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-31 22:01:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-31 22:01:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-31 22:01:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-31 22:01:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-31 22:01:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-31 22:01:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-31 22:01:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-31 22:01:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-31 22:01:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-31 22:01:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-31 22:01:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-31 22:01:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-31 22:01:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-31 22:01:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-31 22:01:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-31 22:01:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-31 22:01:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,417 INFO L134 CoverageAnalysis]: Checked inductivity of 7080 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7080 trivial. 0 not checked. [2024-10-31 22:01:38,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:38,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765406253] [2024-10-31 22:01:38,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765406253] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:38,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:38,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:01:38,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588022799] [2024-10-31 22:01:38,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:38,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:01:38,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:38,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:01:38,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:01:38,420 INFO L87 Difference]: Start difference. First operand 1587 states and 2595 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) [2024-10-31 22:01:39,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:39,982 INFO L93 Difference]: Finished difference Result 5837 states and 9501 transitions. [2024-10-31 22:01:39,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:01:39,983 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) Word has length 414 [2024-10-31 22:01:39,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:40,005 INFO L225 Difference]: With dead ends: 5837 [2024-10-31 22:01:40,006 INFO L226 Difference]: Without dead ends: 4399 [2024-10-31 22:01:40,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:01:40,012 INFO L432 NwaCegarLoop]: 661 mSDtfsCounter, 1433 mSDsluCounter, 1440 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1433 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 364 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:40,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1433 Valid, 2101 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [364 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-31 22:01:40,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2024-10-31 22:01:40,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 2261. [2024-10-31 22:01:40,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2261 states, 1927 states have (on average 1.5646081992734822) internal successors, (3015), 1931 states have internal predecessors, (3015), 324 states have call successors, (324), 9 states have call predecessors, (324), 9 states have return successors, (324), 320 states have call predecessors, (324), 324 states have call successors, (324) [2024-10-31 22:01:40,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 3663 transitions. [2024-10-31 22:01:40,358 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 3663 transitions. Word has length 414 [2024-10-31 22:01:40,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:40,359 INFO L471 AbstractCegarLoop]: Abstraction has 2261 states and 3663 transitions. [2024-10-31 22:01:40,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) [2024-10-31 22:01:40,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 3663 transitions. [2024-10-31 22:01:40,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2024-10-31 22:01:40,364 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:40,365 INFO L215 NwaCegarLoop]: trace histogram [60, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:40,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:01:40,365 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:40,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:40,366 INFO L85 PathProgramCache]: Analyzing trace with hash -2087773523, now seen corresponding path program 1 times [2024-10-31 22:01:40,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:40,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530107135] [2024-10-31 22:01:40,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:40,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:01:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:01:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:01:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:01:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:01:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:01:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:01:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:01:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:01:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:01:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:01:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:01:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:01:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:01:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:01:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:01:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:01:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:01:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-31 22:01:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-31 22:01:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-31 22:01:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-31 22:01:43,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-31 22:01:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-31 22:01:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-31 22:01:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-31 22:01:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-31 22:01:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-31 22:01:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-31 22:01:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-31 22:01:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-31 22:01:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-31 22:01:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-31 22:01:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-31 22:01:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-31 22:01:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-31 22:01:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-31 22:01:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-31 22:01:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-31 22:01:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-31 22:01:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-31 22:01:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-31 22:01:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-31 22:01:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-31 22:01:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-31 22:01:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-31 22:01:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-31 22:01:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-31 22:01:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-31 22:01:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-31 22:01:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-31 22:01:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-31 22:01:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-31 22:01:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-31 22:01:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-31 22:01:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-31 22:01:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-31 22:01:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-31 22:01:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-31 22:01:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:43,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-10-31 22:01:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:44,005 INFO L134 CoverageAnalysis]: Checked inductivity of 7080 backedges. 6 proven. 171 refuted. 0 times theorem prover too weak. 6903 trivial. 0 not checked. [2024-10-31 22:01:44,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:44,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530107135] [2024-10-31 22:01:44,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530107135] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:01:44,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333376071] [2024-10-31 22:01:44,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:44,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:44,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc543716-f81f-4c50-adc3-80e69991f458/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:44,011 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc543716-f81f-4c50-adc3-80e69991f458/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:01:44,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc543716-f81f-4c50-adc3-80e69991f458/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:01:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:44,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 1058 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:01:44,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:44,896 INFO L134 CoverageAnalysis]: Checked inductivity of 7080 backedges. 1049 proven. 12 refuted. 0 times theorem prover too weak. 6019 trivial. 0 not checked. [2024-10-31 22:01:44,896 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:01:45,375 INFO L134 CoverageAnalysis]: Checked inductivity of 7080 backedges. 165 proven. 12 refuted. 0 times theorem prover too weak. 6903 trivial. 0 not checked. [2024-10-31 22:01:45,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333376071] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:01:45,376 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:01:45,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-10-31 22:01:45,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378152454] [2024-10-31 22:01:45,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:01:45,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-31 22:01:45,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:45,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-31 22:01:45,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:01:45,380 INFO L87 Difference]: Start difference. First operand 2261 states and 3663 transitions. Second operand has 10 states, 10 states have (on average 17.3) internal successors, (173), 10 states have internal predecessors, (173), 4 states have call successors, (121), 2 states have call predecessors, (121), 4 states have return successors, (123), 4 states have call predecessors, (123), 4 states have call successors, (123)