./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9c9bbf-eeb8-4e33-b04d-d7b9ddf38421/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9c9bbf-eeb8-4e33-b04d-d7b9ddf38421/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9c9bbf-eeb8-4e33-b04d-d7b9ddf38421/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9c9bbf-eeb8-4e33-b04d-d7b9ddf38421/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9c9bbf-eeb8-4e33-b04d-d7b9ddf38421/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9c9bbf-eeb8-4e33-b04d-d7b9ddf38421/bin/uautomizer-verify-jihMAELWvX --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 4697d274a3e5c37fa2bc08612d843c4521be0f5577828b2d4cde440399fc9bd0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:10:34,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:10:35,097 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9c9bbf-eeb8-4e33-b04d-d7b9ddf38421/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:10:35,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:10:35,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:10:35,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:10:35,145 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:10:35,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:10:35,147 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:10:35,148 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:10:35,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:10:35,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:10:35,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:10:35,151 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:10:35,154 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:10:35,155 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:10:35,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:10:35,156 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:10:35,156 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:10:35,156 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:10:35,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:10:35,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:10:35,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:10:35,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:10:35,162 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:10:35,163 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:10:35,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:10:35,163 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:10:35,163 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:10:35,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:10:35,164 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:10:35,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:10:35,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:10:35,168 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:10:35,168 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:10:35,168 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:10:35,169 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:10:35,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:10:35,169 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:10:35,169 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:10:35,170 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:10:35,172 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:10:35,172 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_5e9c9bbf-eeb8-4e33-b04d-d7b9ddf38421/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9c9bbf-eeb8-4e33-b04d-d7b9ddf38421/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4697d274a3e5c37fa2bc08612d843c4521be0f5577828b2d4cde440399fc9bd0 [2024-11-08 17:10:35,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:10:35,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:10:35,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:10:35,573 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:10:35,573 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:10:35,575 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9c9bbf-eeb8-4e33-b04d-d7b9ddf38421/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-5.i Unable to find full path for "g++" [2024-11-08 17:10:38,086 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:10:38,393 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:10:38,396 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9c9bbf-eeb8-4e33-b04d-d7b9ddf38421/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-5.i [2024-11-08 17:10:38,413 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9c9bbf-eeb8-4e33-b04d-d7b9ddf38421/bin/uautomizer-verify-jihMAELWvX/data/066a6365b/1f69f35fe9bb46f48a28370e99eee20e/FLAG34e043fb1 [2024-11-08 17:10:38,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9c9bbf-eeb8-4e33-b04d-d7b9ddf38421/bin/uautomizer-verify-jihMAELWvX/data/066a6365b/1f69f35fe9bb46f48a28370e99eee20e [2024-11-08 17:10:38,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:10:38,450 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:10:38,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:10:38,454 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:10:38,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:10:38,463 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:10:38" (1/1) ... [2024-11-08 17:10:38,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23f150f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:10:38, skipping insertion in model container [2024-11-08 17:10:38,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:10:38" (1/1) ... [2024-11-08 17:10:38,514 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:10:38,798 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9c9bbf-eeb8-4e33-b04d-d7b9ddf38421/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-5.i[916,929] [2024-11-08 17:10:38,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:10:38,931 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:10:38,947 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9c9bbf-eeb8-4e33-b04d-d7b9ddf38421/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-5.i[916,929] [2024-11-08 17:10:39,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:10:39,033 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:10:39,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:10:39 WrapperNode [2024-11-08 17:10:39,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:10:39,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:10:39,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:10:39,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:10:39,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:10:39" (1/1) ... [2024-11-08 17:10:39,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:10:39" (1/1) ... [2024-11-08 17:10:39,169 INFO L138 Inliner]: procedures = 27, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 425 [2024-11-08 17:10:39,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:10:39,174 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:10:39,174 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:10:39,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:10:39,192 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:10:39" (1/1) ... [2024-11-08 17:10:39,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:10:39" (1/1) ... [2024-11-08 17:10:39,203 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:10:39" (1/1) ... [2024-11-08 17:10:39,239 INFO L175 MemorySlicer]: Split 123 memory accesses to 2 slices as follows [2, 121]. 98 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 33 writes are split as follows [0, 33]. [2024-11-08 17:10:39,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:10:39" (1/1) ... [2024-11-08 17:10:39,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:10:39" (1/1) ... [2024-11-08 17:10:39,300 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:10:39" (1/1) ... [2024-11-08 17:10:39,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:10:39" (1/1) ... [2024-11-08 17:10:39,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:10:39" (1/1) ... [2024-11-08 17:10:39,321 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:10:39" (1/1) ... [2024-11-08 17:10:39,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:10:39,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:10:39,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:10:39,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:10:39,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:10:39" (1/1) ... [2024-11-08 17:10:39,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:10:39,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9c9bbf-eeb8-4e33-b04d-d7b9ddf38421/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:10:39,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9c9bbf-eeb8-4e33-b04d-d7b9ddf38421/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:10:39,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e9c9bbf-eeb8-4e33-b04d-d7b9ddf38421/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:10:39,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:10:39,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-08 17:10:39,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-08 17:10:39,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 17:10:39,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 17:10:39,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 17:10:39,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 17:10:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:10:39,439 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:10:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:10:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 17:10:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:10:39,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:10:39,657 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:10:39,661 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:10:40,400 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-08 17:10:40,401 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:10:40,429 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:10:40,430 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:10:40,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:10:40 BoogieIcfgContainer [2024-11-08 17:10:40,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:10:40,436 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:10:40,436 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:10:40,441 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:10:40,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:10:38" (1/3) ... [2024-11-08 17:10:40,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f5a81c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:10:40, skipping insertion in model container [2024-11-08 17:10:40,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:10:39" (2/3) ... [2024-11-08 17:10:40,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f5a81c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:10:40, skipping insertion in model container [2024-11-08 17:10:40,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:10:40" (3/3) ... [2024-11-08 17:10:40,445 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-5.i [2024-11-08 17:10:40,464 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:10:40,464 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:10:40,546 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:10:40,555 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;@7dcc7a62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:10:40,555 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:10:40,561 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 73 states have (on average 1.3287671232876712) internal successors, (97), 74 states have internal predecessors, (97), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:10:40,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-08 17:10:40,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:10:40,581 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:10:40,581 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:10:40,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:10:40,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1922017129, now seen corresponding path program 1 times [2024-11-08 17:10:40,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:10:40,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851593127] [2024-11-08 17:10:40,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:10:40,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:10:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:41,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:10:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:41,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:10:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:41,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:10:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:41,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:10:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:41,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:10:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:41,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:10:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:41,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:10:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:41,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:10:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:41,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:10:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:41,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:10:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:41,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:10:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:41,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:10:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:41,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:10:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:41,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 17:10:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:41,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:10:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:41,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:10:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:41,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:10:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:41,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:10:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:41,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 17:10:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:41,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 17:10:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:41,380 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:10:41,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:10:41,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851593127] [2024-11-08 17:10:41,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851593127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:10:41,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:10:41,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:10:41,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728582819] [2024-11-08 17:10:41,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:10:41,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:10:41,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:10:41,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:10:41,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:10:41,439 INFO L87 Difference]: Start difference. First operand has 96 states, 73 states have (on average 1.3287671232876712) internal successors, (97), 74 states have internal predecessors, (97), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 17:10:41,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:10:41,505 INFO L93 Difference]: Finished difference Result 185 states and 288 transitions. [2024-11-08 17:10:41,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:10:41,509 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 148 [2024-11-08 17:10:41,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:10:41,522 INFO L225 Difference]: With dead ends: 185 [2024-11-08 17:10:41,522 INFO L226 Difference]: Without dead ends: 92 [2024-11-08 17:10:41,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:10:41,535 INFO L432 NwaCegarLoop]: 130 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, 130 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:10:41,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:10:41,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-08 17:10:41,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-08 17:10:41,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 70 states have internal predecessors, (90), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:10:41,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 130 transitions. [2024-11-08 17:10:41,650 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 130 transitions. Word has length 148 [2024-11-08 17:10:41,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:10:41,651 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 130 transitions. [2024-11-08 17:10:41,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 17:10:41,652 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 130 transitions. [2024-11-08 17:10:41,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-08 17:10:41,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:10:41,659 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:10:41,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:10:41,660 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:10:41,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:10:41,661 INFO L85 PathProgramCache]: Analyzing trace with hash -713361263, now seen corresponding path program 1 times [2024-11-08 17:10:41,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:10:41,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132408796] [2024-11-08 17:10:41,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:10:41,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:10:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:42,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:10:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:42,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:10:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:42,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:10:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:42,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:10:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:42,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:10:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:42,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:10:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:42,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:10:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:42,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:10:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:42,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:10:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:42,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:10:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:42,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:10:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:42,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:10:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:42,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:10:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:42,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 17:10:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:42,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:10:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:42,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:10:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:42,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:10:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:42,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:10:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:42,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 17:10:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:42,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 17:10:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:42,582 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:10:42,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:10:42,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132408796] [2024-11-08 17:10:42,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132408796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:10:42,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:10:42,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:10:42,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023428654] [2024-11-08 17:10:42,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:10:42,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:10:42,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:10:42,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:10:42,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:10:42,596 INFO L87 Difference]: Start difference. First operand 92 states and 130 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:10:42,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:10:42,713 INFO L93 Difference]: Finished difference Result 183 states and 260 transitions. [2024-11-08 17:10:42,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:10:42,716 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 148 [2024-11-08 17:10:42,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:10:42,723 INFO L225 Difference]: With dead ends: 183 [2024-11-08 17:10:42,724 INFO L226 Difference]: Without dead ends: 94 [2024-11-08 17:10:42,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:10:42,730 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:10:42,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 373 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:10:42,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-08 17:10:42,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-08 17:10:42,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 72 states have (on average 1.2777777777777777) internal successors, (92), 72 states have internal predecessors, (92), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:10:42,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2024-11-08 17:10:42,773 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 148 [2024-11-08 17:10:42,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:10:42,776 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2024-11-08 17:10:42,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:10:42,777 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2024-11-08 17:10:42,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 17:10:42,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:10:42,782 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:10:42,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:10:42,782 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:10:42,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:10:42,783 INFO L85 PathProgramCache]: Analyzing trace with hash -79135972, now seen corresponding path program 1 times [2024-11-08 17:10:42,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:10:42,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807008085] [2024-11-08 17:10:42,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:10:42,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:10:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:10:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:10:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:10:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:10:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:10:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:10:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:10:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:10:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:10:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:10:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:10:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:10:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:10:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 17:10:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:10:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:10:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:10:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:10:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 17:10:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 17:10:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,234 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:10:43,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:10:43,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807008085] [2024-11-08 17:10:43,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807008085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:10:43,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:10:43,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:10:43,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290333321] [2024-11-08 17:10:43,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:10:43,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:10:43,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:10:43,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:10:43,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:10:43,242 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:10:43,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:10:43,309 INFO L93 Difference]: Finished difference Result 188 states and 265 transitions. [2024-11-08 17:10:43,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:10:43,314 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 150 [2024-11-08 17:10:43,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:10:43,316 INFO L225 Difference]: With dead ends: 188 [2024-11-08 17:10:43,316 INFO L226 Difference]: Without dead ends: 97 [2024-11-08 17:10:43,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:10:43,324 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 1 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:10:43,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 370 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:10:43,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-08 17:10:43,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 96. [2024-11-08 17:10:43,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 74 states have (on average 1.2702702702702702) internal successors, (94), 74 states have internal predecessors, (94), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:10:43,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 134 transitions. [2024-11-08 17:10:43,344 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 134 transitions. Word has length 150 [2024-11-08 17:10:43,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:10:43,350 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 134 transitions. [2024-11-08 17:10:43,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:10:43,350 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 134 transitions. [2024-11-08 17:10:43,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 17:10:43,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:10:43,358 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:10:43,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:10:43,358 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:10:43,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:10:43,359 INFO L85 PathProgramCache]: Analyzing trace with hash 600922398, now seen corresponding path program 1 times [2024-11-08 17:10:43,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:10:43,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72882784] [2024-11-08 17:10:43,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:10:43,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:10:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:10:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:10:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:10:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:10:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:10:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:10:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:10:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:10:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:10:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:10:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:10:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:10:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:10:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 17:10:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:10:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:10:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:10:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:10:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 17:10:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 17:10:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:43,721 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:10:43,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:10:43,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72882784] [2024-11-08 17:10:43,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72882784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:10:43,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:10:43,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:10:43,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758268121] [2024-11-08 17:10:43,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:10:43,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:10:43,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:10:43,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:10:43,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:10:43,729 INFO L87 Difference]: Start difference. First operand 96 states and 134 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:10:43,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:10:43,780 INFO L93 Difference]: Finished difference Result 192 states and 269 transitions. [2024-11-08 17:10:43,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:10:43,784 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 150 [2024-11-08 17:10:43,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:10:43,786 INFO L225 Difference]: With dead ends: 192 [2024-11-08 17:10:43,786 INFO L226 Difference]: Without dead ends: 99 [2024-11-08 17:10:43,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:10:43,792 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 1 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:10:43,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 371 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:10:43,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-08 17:10:43,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 98. [2024-11-08 17:10:43,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 76 states have (on average 1.263157894736842) internal successors, (96), 76 states have internal predecessors, (96), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:10:43,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 136 transitions. [2024-11-08 17:10:43,810 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 136 transitions. Word has length 150 [2024-11-08 17:10:43,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:10:43,811 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 136 transitions. [2024-11-08 17:10:43,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:10:43,811 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 136 transitions. [2024-11-08 17:10:43,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 17:10:43,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:10:43,818 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:10:43,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:10:43,819 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:10:43,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:10:43,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1919037536, now seen corresponding path program 1 times [2024-11-08 17:10:43,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:10:43,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656139645] [2024-11-08 17:10:43,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:10:43,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:10:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:10:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:10:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:10:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:10:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:10:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:10:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:10:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:10:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:10:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:10:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:10:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:10:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:10:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 17:10:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:10:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:10:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:10:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:10:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 17:10:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 17:10:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,158 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:10:44,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:10:44,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656139645] [2024-11-08 17:10:44,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656139645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:10:44,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:10:44,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:10:44,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543127749] [2024-11-08 17:10:44,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:10:44,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:10:44,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:10:44,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:10:44,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:10:44,162 INFO L87 Difference]: Start difference. First operand 98 states and 136 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:10:44,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:10:44,210 INFO L93 Difference]: Finished difference Result 196 states and 273 transitions. [2024-11-08 17:10:44,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:10:44,214 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 150 [2024-11-08 17:10:44,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:10:44,216 INFO L225 Difference]: With dead ends: 196 [2024-11-08 17:10:44,216 INFO L226 Difference]: Without dead ends: 101 [2024-11-08 17:10:44,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:10:44,222 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 1 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:10:44,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 373 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:10:44,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-08 17:10:44,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 100. [2024-11-08 17:10:44,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 78 states have internal predecessors, (98), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:10:44,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 138 transitions. [2024-11-08 17:10:44,239 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 138 transitions. Word has length 150 [2024-11-08 17:10:44,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:10:44,240 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 138 transitions. [2024-11-08 17:10:44,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:10:44,240 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 138 transitions. [2024-11-08 17:10:44,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 17:10:44,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:10:44,247 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:10:44,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:10:44,247 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:10:44,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:10:44,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1917190494, now seen corresponding path program 1 times [2024-11-08 17:10:44,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:10:44,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738065857] [2024-11-08 17:10:44,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:10:44,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:10:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:10:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:10:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:10:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:10:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:10:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:10:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:10:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:10:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:10:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:10:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:10:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:10:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:10:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 17:10:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:10:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:10:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:10:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:10:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 17:10:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 17:10:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:44,744 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:10:44,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:10:44,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738065857] [2024-11-08 17:10:44,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738065857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:10:44,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:10:44,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:10:44,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842661118] [2024-11-08 17:10:44,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:10:44,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:10:44,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:10:44,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:10:44,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:10:44,748 INFO L87 Difference]: Start difference. First operand 100 states and 138 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:10:44,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:10:44,805 INFO L93 Difference]: Finished difference Result 200 states and 277 transitions. [2024-11-08 17:10:44,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:10:44,806 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 150 [2024-11-08 17:10:44,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:10:44,808 INFO L225 Difference]: With dead ends: 200 [2024-11-08 17:10:44,808 INFO L226 Difference]: Without dead ends: 103 [2024-11-08 17:10:44,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:10:44,811 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:10:44,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 491 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:10:44,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-08 17:10:44,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-08 17:10:44,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 81 states have (on average 1.2469135802469136) internal successors, (101), 81 states have internal predecessors, (101), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:10:44,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 141 transitions. [2024-11-08 17:10:44,832 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 141 transitions. Word has length 150 [2024-11-08 17:10:44,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:10:44,833 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 141 transitions. [2024-11-08 17:10:44,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:10:44,833 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 141 transitions. [2024-11-08 17:10:44,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 17:10:44,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:10:44,839 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:10:44,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:10:44,839 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:10:44,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:10:44,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1833750256, now seen corresponding path program 1 times [2024-11-08 17:10:44,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:10:44,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544962708] [2024-11-08 17:10:44,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:10:44,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:10:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:45,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:10:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:45,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:10:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:45,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:10:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:45,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:10:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:45,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:10:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:45,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:10:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:45,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:10:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:45,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:10:45,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:45,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:10:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:45,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:10:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:45,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:10:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:45,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:10:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:45,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:10:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:45,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 17:10:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:45,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:10:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:45,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:10:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:45,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:10:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:45,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:10:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:45,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 17:10:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:45,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 17:10:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:45,520 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:10:45,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:10:45,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544962708] [2024-11-08 17:10:45,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544962708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:10:45,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:10:45,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:10:45,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677787922] [2024-11-08 17:10:45,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:10:45,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:10:45,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:10:45,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:10:45,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:10:45,525 INFO L87 Difference]: Start difference. First operand 103 states and 141 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:10:45,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:10:45,553 INFO L93 Difference]: Finished difference Result 203 states and 279 transitions. [2024-11-08 17:10:45,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:10:45,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 150 [2024-11-08 17:10:45,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:10:45,557 INFO L225 Difference]: With dead ends: 203 [2024-11-08 17:10:45,557 INFO L226 Difference]: Without dead ends: 103 [2024-11-08 17:10:45,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:10:45,561 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:10:45,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 253 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:10:45,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-08 17:10:45,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-08 17:10:45,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 81 states have (on average 1.2345679012345678) internal successors, (100), 81 states have internal predecessors, (100), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:10:45,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 140 transitions. [2024-11-08 17:10:45,577 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 140 transitions. Word has length 150 [2024-11-08 17:10:45,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:10:45,578 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 140 transitions. [2024-11-08 17:10:45,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:10:45,579 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 140 transitions. [2024-11-08 17:10:45,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-08 17:10:45,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:10:45,582 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:10:45,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:10:45,583 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:10:45,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:10:45,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1606403337, now seen corresponding path program 1 times [2024-11-08 17:10:45,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:10:45,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36820965] [2024-11-08 17:10:45,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:10:45,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:10:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:53,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:10:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:53,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:10:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:53,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:10:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:53,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:10:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:53,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:10:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:53,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:10:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:53,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:10:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:53,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:10:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:53,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:10:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:53,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:10:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:53,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:10:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:53,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:10:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:53,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:10:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:53,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 17:10:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:53,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:10:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:53,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:10:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:53,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:10:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:53,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:10:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:53,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 17:10:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:53,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 17:10:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:53,988 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:10:53,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:10:53,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36820965] [2024-11-08 17:10:53,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36820965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:10:53,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:10:53,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 17:10:53,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083192455] [2024-11-08 17:10:53,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:10:53,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 17:10:53,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:10:53,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 17:10:53,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-08 17:10:53,992 INFO L87 Difference]: Start difference. First operand 103 states and 140 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-08 17:10:56,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:10:56,677 INFO L93 Difference]: Finished difference Result 305 states and 416 transitions. [2024-11-08 17:10:56,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 17:10:56,678 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 152 [2024-11-08 17:10:56,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:10:56,680 INFO L225 Difference]: With dead ends: 305 [2024-11-08 17:10:56,680 INFO L226 Difference]: Without dead ends: 205 [2024-11-08 17:10:56,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2024-11-08 17:10:56,682 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 184 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:10:56,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 663 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 17:10:56,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-08 17:10:56,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 195. [2024-11-08 17:10:56,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 152 states have (on average 1.2236842105263157) internal successors, (186), 152 states have internal predecessors, (186), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 17:10:56,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 266 transitions. [2024-11-08 17:10:56,717 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 266 transitions. Word has length 152 [2024-11-08 17:10:56,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:10:56,718 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 266 transitions. [2024-11-08 17:10:56,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-08 17:10:56,719 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 266 transitions. [2024-11-08 17:10:56,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-08 17:10:56,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:10:56,722 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:10:56,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 17:10:56,722 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:10:56,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:10:56,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1118178091, now seen corresponding path program 1 times [2024-11-08 17:10:56,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:10:56,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462416588] [2024-11-08 17:10:56,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:10:56,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:10:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:59,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:10:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:59,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:10:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:59,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:10:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:59,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:10:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:59,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:10:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:59,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:10:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:59,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:10:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:59,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:10:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:59,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:10:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:59,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:10:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:59,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:10:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:59,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:10:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:59,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:10:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:59,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 17:10:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:59,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:10:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:59,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:10:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:59,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:10:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:59,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:10:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:59,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 17:10:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:59,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 17:10:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:10:59,749 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:10:59,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:10:59,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462416588] [2024-11-08 17:10:59,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462416588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:10:59,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:10:59,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 17:10:59,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334799114] [2024-11-08 17:10:59,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:10:59,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:10:59,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:10:59,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:10:59,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:10:59,756 INFO L87 Difference]: Start difference. First operand 195 states and 266 transitions. Second operand has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:11:00,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:11:00,615 INFO L93 Difference]: Finished difference Result 297 states and 405 transitions. [2024-11-08 17:11:00,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 17:11:00,616 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 153 [2024-11-08 17:11:00,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:11:00,619 INFO L225 Difference]: With dead ends: 297 [2024-11-08 17:11:00,619 INFO L226 Difference]: Without dead ends: 197 [2024-11-08 17:11:00,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-08 17:11:00,622 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 156 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:11:00,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 626 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 17:11:00,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-08 17:11:00,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 101. [2024-11-08 17:11:00,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 79 states have internal predecessors, (97), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:11:00,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 137 transitions. [2024-11-08 17:11:00,649 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 137 transitions. Word has length 153 [2024-11-08 17:11:00,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:11:00,652 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 137 transitions. [2024-11-08 17:11:00,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:11:00,653 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 137 transitions. [2024-11-08 17:11:00,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-08 17:11:00,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:11:00,659 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:11:00,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 17:11:00,659 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:11:00,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:11:00,660 INFO L85 PathProgramCache]: Analyzing trace with hash -726520361, now seen corresponding path program 1 times [2024-11-08 17:11:00,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:11:00,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308028628] [2024-11-08 17:11:00,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:11:00,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:11:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:04,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:11:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:04,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:11:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:04,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:11:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:04,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:11:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:04,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:11:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:04,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:11:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:04,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:11:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:04,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:11:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:04,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:11:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:04,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:11:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:04,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:11:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:04,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:11:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:04,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:11:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:04,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 17:11:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:04,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:11:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:04,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:11:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:04,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:11:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:04,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:11:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:04,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 17:11:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:04,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 17:11:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:04,508 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:11:04,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:11:04,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308028628] [2024-11-08 17:11:04,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308028628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:11:04,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:11:04,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 17:11:04,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577187515] [2024-11-08 17:11:04,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:11:04,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 17:11:04,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:11:04,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 17:11:04,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:11:04,513 INFO L87 Difference]: Start difference. First operand 101 states and 137 transitions. Second operand has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-08 17:11:05,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:11:05,599 INFO L93 Difference]: Finished difference Result 252 states and 338 transitions. [2024-11-08 17:11:05,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:11:05,600 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 154 [2024-11-08 17:11:05,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:11:05,602 INFO L225 Difference]: With dead ends: 252 [2024-11-08 17:11:05,602 INFO L226 Difference]: Without dead ends: 154 [2024-11-08 17:11:05,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:11:05,606 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 329 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:11:05,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 244 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 17:11:05,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-08 17:11:05,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 149. [2024-11-08 17:11:05,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 122 states have (on average 1.2295081967213115) internal successors, (150), 123 states have internal predecessors, (150), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-08 17:11:05,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 198 transitions. [2024-11-08 17:11:05,655 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 198 transitions. Word has length 154 [2024-11-08 17:11:05,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:11:05,656 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 198 transitions. [2024-11-08 17:11:05,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-08 17:11:05,656 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 198 transitions. [2024-11-08 17:11:05,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-08 17:11:05,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:11:05,659 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:11:05,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 17:11:05,660 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:11:05,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:11:05,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1420151637, now seen corresponding path program 1 times [2024-11-08 17:11:05,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:11:05,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899891366] [2024-11-08 17:11:05,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:11:05,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:11:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:06,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:11:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:06,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:11:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:06,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:11:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:06,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:11:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:06,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:11:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:06,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:11:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:06,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:11:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:06,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:11:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:06,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:11:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:06,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:11:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:06,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:11:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:06,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:11:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:06,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 17:11:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:06,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 17:11:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:06,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:11:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:06,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:11:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:06,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:11:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:06,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 17:11:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:06,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 17:11:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:06,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 17:11:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:11:06,260 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:11:06,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:11:06,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899891366] [2024-11-08 17:11:06,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899891366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:11:06,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:11:06,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:11:06,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962915665] [2024-11-08 17:11:06,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:11:06,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:11:06,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:11:06,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:11:06,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:11:06,264 INFO L87 Difference]: Start difference. First operand 149 states and 198 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:11:06,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:11:06,311 INFO L93 Difference]: Finished difference Result 295 states and 393 transitions. [2024-11-08 17:11:06,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:11:06,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 154 [2024-11-08 17:11:06,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:11:06,317 INFO L225 Difference]: With dead ends: 295 [2024-11-08 17:11:06,318 INFO L226 Difference]: Without dead ends: 149 [2024-11-08 17:11:06,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:11:06,320 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:11:06,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 249 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:11:06,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-08 17:11:06,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-11-08 17:11:06,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 122 states have (on average 1.2131147540983607) internal successors, (148), 123 states have internal predecessors, (148), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-08 17:11:06,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 196 transitions. [2024-11-08 17:11:06,364 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 196 transitions. Word has length 154 [2024-11-08 17:11:06,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:11:06,367 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 196 transitions. [2024-11-08 17:11:06,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:11:06,368 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 196 transitions. [2024-11-08 17:11:06,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-08 17:11:06,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:11:06,372 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:11:06,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 17:11:06,373 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:11:06,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:11:06,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1769378798, now seen corresponding path program 1 times [2024-11-08 17:11:06,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:11:06,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875279978] [2024-11-08 17:11:06,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:11:06,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:11:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:12:50,669 WARN L286 SmtUtils]: Spent 5.46s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:13:07,142 WARN L286 SmtUtils]: Spent 5.59s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:13:46,286 WARN L286 SmtUtils]: Spent 5.60s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:15:16,697 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:22:42,084 WARN L286 SmtUtils]: Spent 2.39m on a formula simplification. DAG size of input: 1434 DAG size of output: 1038 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)