./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73af8bb6-1982-4cb8-ade8-2eccf0f6bd96/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73af8bb6-1982-4cb8-ade8-2eccf0f6bd96/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73af8bb6-1982-4cb8-ade8-2eccf0f6bd96/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73af8bb6-1982-4cb8-ade8-2eccf0f6bd96/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73af8bb6-1982-4cb8-ade8-2eccf0f6bd96/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73af8bb6-1982-4cb8-ade8-2eccf0f6bd96/bin/uautomizer-w2VwFs6gM0 --witnessprinter.witness.filename witness.graphml --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 bfc29f03d3be9b41eb07ac14f0f7eac45bf3a60a4a6601e3132f720b72534d53 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 16:04:18,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 16:04:18,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 16:04:18,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 16:04:18,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 16:04:18,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 16:04:18,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 16:04:18,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 16:04:18,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 16:04:18,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 16:04:18,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 16:04:18,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 16:04:18,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 16:04:18,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 16:04:18,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 16:04:18,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 16:04:18,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 16:04:18,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 16:04:18,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 16:04:18,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 16:04:18,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 16:04:18,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 16:04:18,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 16:04:18,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 16:04:18,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 16:04:18,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 16:04:18,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 16:04:18,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 16:04:18,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 16:04:18,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 16:04:18,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 16:04:18,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 16:04:18,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 16:04:18,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 16:04:18,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 16:04:18,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 16:04:18,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 16:04:18,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 16:04:18,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 16:04:18,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 16:04:18,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 16:04:18,324 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73af8bb6-1982-4cb8-ade8-2eccf0f6bd96/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 16:04:18,371 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 16:04:18,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 16:04:18,375 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 16:04:18,375 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 16:04:18,382 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 16:04:18,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 16:04:18,383 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 16:04:18,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 16:04:18,384 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 16:04:18,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 16:04:18,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 16:04:18,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 16:04:18,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 16:04:18,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 16:04:18,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 16:04:18,386 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 16:04:18,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 16:04:18,387 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 16:04:18,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 16:04:18,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 16:04:18,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 16:04:18,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 16:04:18,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:04:18,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 16:04:18,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 16:04:18,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 16:04:18,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 16:04:18,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 16:04:18,389 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 16:04:18,389 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 16:04:18,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 16:04:18,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 16:04:18,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_73af8bb6-1982-4cb8-ade8-2eccf0f6bd96/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73af8bb6-1982-4cb8-ade8-2eccf0f6bd96/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfc29f03d3be9b41eb07ac14f0f7eac45bf3a60a4a6601e3132f720b72534d53 [2021-11-22 16:04:18,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 16:04:18,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 16:04:18,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 16:04:18,717 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 16:04:18,718 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 16:04:18,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73af8bb6-1982-4cb8-ade8-2eccf0f6bd96/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2021-11-22 16:04:18,781 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73af8bb6-1982-4cb8-ade8-2eccf0f6bd96/bin/uautomizer-w2VwFs6gM0/data/d60c0265b/46f8cf3592dc49928c2f0cd073425eb2/FLAGd683e2bff [2021-11-22 16:04:19,417 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 16:04:19,417 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73af8bb6-1982-4cb8-ade8-2eccf0f6bd96/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c [2021-11-22 16:04:19,434 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73af8bb6-1982-4cb8-ade8-2eccf0f6bd96/bin/uautomizer-w2VwFs6gM0/data/d60c0265b/46f8cf3592dc49928c2f0cd073425eb2/FLAGd683e2bff [2021-11-22 16:04:19,600 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73af8bb6-1982-4cb8-ade8-2eccf0f6bd96/bin/uautomizer-w2VwFs6gM0/data/d60c0265b/46f8cf3592dc49928c2f0cd073425eb2 [2021-11-22 16:04:19,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 16:04:19,604 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 16:04:19,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 16:04:19,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 16:04:19,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 16:04:19,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:04:19" (1/1) ... [2021-11-22 16:04:19,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50ecad1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:04:19, skipping insertion in model container [2021-11-22 16:04:19,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:04:19" (1/1) ... [2021-11-22 16:04:19,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 16:04:19,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 16:04:19,926 WARN L230 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_73af8bb6-1982-4cb8-ade8-2eccf0f6bd96/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c[2074,2087] [2021-11-22 16:04:20,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:04:20,173 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 16:04:20,202 WARN L230 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_73af8bb6-1982-4cb8-ade8-2eccf0f6bd96/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-1.c[2074,2087] [2021-11-22 16:04:20,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:04:20,385 INFO L208 MainTranslator]: Completed translation [2021-11-22 16:04:20,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:04:20 WrapperNode [2021-11-22 16:04:20,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 16:04:20,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 16:04:20,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 16:04:20,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 16:04:20,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:04:20" (1/1) ... [2021-11-22 16:04:20,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:04:20" (1/1) ... [2021-11-22 16:04:20,634 INFO L137 Inliner]: procedures = 41, calls = 108, calls flagged for inlining = 103, calls inlined = 277, statements flattened = 5544 [2021-11-22 16:04:20,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 16:04:20,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 16:04:20,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 16:04:20,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 16:04:20,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:04:20" (1/1) ... [2021-11-22 16:04:20,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:04:20" (1/1) ... [2021-11-22 16:04:20,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:04:20" (1/1) ... [2021-11-22 16:04:20,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:04:20" (1/1) ... [2021-11-22 16:04:20,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:04:20" (1/1) ... [2021-11-22 16:04:20,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:04:20" (1/1) ... [2021-11-22 16:04:20,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:04:20" (1/1) ... [2021-11-22 16:04:20,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 16:04:20,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 16:04:20,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 16:04:20,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 16:04:20,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:04:20" (1/1) ... [2021-11-22 16:04:20,885 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:04:20,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73af8bb6-1982-4cb8-ade8-2eccf0f6bd96/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:04:20,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73af8bb6-1982-4cb8-ade8-2eccf0f6bd96/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 16:04:20,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73af8bb6-1982-4cb8-ade8-2eccf0f6bd96/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 16:04:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 16:04:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 16:04:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 16:04:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 16:04:21,255 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 16:04:21,258 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 16:04:21,288 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,290 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,302 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,306 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,313 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,318 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,324 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,332 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,337 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,340 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,343 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,346 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,351 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,357 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,359 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,363 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,367 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,377 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,380 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,383 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,386 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,394 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,398 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,401 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,404 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,407 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,411 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,414 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,417 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,422 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,425 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,429 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,430 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,433 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,435 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,438 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,440 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,444 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,447 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,450 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,451 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,454 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:21,459 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 16:04:23,619 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1271: assume false; [2021-11-22 16:04:23,619 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1272: assume !false; [2021-11-22 16:04:23,620 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2021-11-22 16:04:23,620 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2021-11-22 16:04:23,620 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1230: assume !false; [2021-11-22 16:04:23,620 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##287: assume false; [2021-11-22 16:04:23,621 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume !false; [2021-11-22 16:04:23,622 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1229: assume false; [2021-11-22 16:04:23,622 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1210: assume false; [2021-11-22 16:04:23,622 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1211: assume !false; [2021-11-22 16:04:23,622 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##319: assume false; [2021-11-22 16:04:23,622 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##320: assume !false; [2021-11-22 16:04:23,623 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1160: assume !false; [2021-11-22 16:04:23,623 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1159: assume false; [2021-11-22 16:04:23,624 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##371: assume false; [2021-11-22 16:04:23,624 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##372: assume !false; [2021-11-22 16:04:23,624 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1108: assume false; [2021-11-22 16:04:23,624 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1109: assume !false; [2021-11-22 16:04:23,624 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##346: assume false; [2021-11-22 16:04:23,625 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##347: assume !false; [2021-11-22 16:04:23,625 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##416: assume false; [2021-11-22 16:04:23,625 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##417: assume !false; [2021-11-22 16:04:23,625 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1050: assume !false; [2021-11-22 16:04:23,626 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L305: CdAudioPnp_#res#1 := 0; [2021-11-22 16:04:23,626 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1049: assume false; [2021-11-22 16:04:23,627 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1003: assume false; [2021-11-22 16:04:23,627 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1004: assume !false; [2021-11-22 16:04:23,627 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##461: assume !false; [2021-11-22 16:04:23,627 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##460: assume false; [2021-11-22 16:04:23,627 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##487: assume !false; [2021-11-22 16:04:23,628 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##486: assume false; [2021-11-22 16:04:23,628 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##526: assume !false; [2021-11-22 16:04:23,628 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##525: assume false; [2021-11-22 16:04:23,628 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume !false; [2021-11-22 16:04:23,628 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume false; [2021-11-22 16:04:23,629 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2021-11-22 16:04:23,629 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2021-11-22 16:04:23,629 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2021-11-22 16:04:23,629 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2021-11-22 16:04:23,630 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2021-11-22 16:04:23,631 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2021-11-22 16:04:23,631 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##573: assume !false; [2021-11-22 16:04:23,632 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##572: assume false; [2021-11-22 16:04:23,632 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##685: assume !false; [2021-11-22 16:04:23,633 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##684: assume false; [2021-11-22 16:04:23,633 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##609: assume false; [2021-11-22 16:04:23,633 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##610: assume !false; [2021-11-22 16:04:23,633 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##639: assume !false; [2021-11-22 16:04:23,634 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##638: assume false; [2021-11-22 16:04:23,635 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1612: assume false; [2021-11-22 16:04:23,635 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1613: assume !false; [2021-11-22 16:04:23,635 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##757: assume !false; [2021-11-22 16:04:23,635 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##756: assume false; [2021-11-22 16:04:23,635 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##717: assume !false; [2021-11-22 16:04:23,636 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##716: assume false; [2021-11-22 16:04:23,636 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1506: assume false; [2021-11-22 16:04:23,636 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1507: assume !false; [2021-11-22 16:04:23,636 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1564: assume false; [2021-11-22 16:04:23,636 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1565: assume !false; [2021-11-22 16:04:23,637 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##856: assume false; [2021-11-22 16:04:23,637 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##857: assume !false; [2021-11-22 16:04:23,637 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##801: assume false; [2021-11-22 16:04:23,637 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##802: assume !false; [2021-11-22 16:04:23,637 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##832: assume !false; [2021-11-22 16:04:23,637 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##831: assume false; [2021-11-22 16:04:23,638 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1426: assume false; [2021-11-22 16:04:23,638 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1427: assume !false; [2021-11-22 16:04:23,638 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1476: assume false; [2021-11-22 16:04:23,638 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1477: assume !false; [2021-11-22 16:04:23,638 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1398: assume false; [2021-11-22 16:04:23,638 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1399: assume !false; [2021-11-22 16:04:23,639 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##961: assume !false; [2021-11-22 16:04:23,639 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##960: assume false; [2021-11-22 16:04:23,639 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##909: assume false; [2021-11-22 16:04:23,639 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##910: assume !false; [2021-11-22 16:04:23,639 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1301: assume false; [2021-11-22 16:04:23,639 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1302: assume !false; [2021-11-22 16:04:23,640 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##188: assume !false; [2021-11-22 16:04:23,640 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##187: assume false; [2021-11-22 16:04:23,640 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume false; [2021-11-22 16:04:23,640 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##149: assume !false; [2021-11-22 16:04:23,640 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1354: assume false; [2021-11-22 16:04:23,640 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1355: assume !false; [2021-11-22 16:04:23,640 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1341: assume false; [2021-11-22 16:04:23,641 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1342: assume !false; [2021-11-22 16:04:23,641 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume false; [2021-11-22 16:04:23,641 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume !false; [2021-11-22 16:04:23,641 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 16:04:23,680 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 16:04:23,681 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 16:04:23,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:04:23 BoogieIcfgContainer [2021-11-22 16:04:23,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 16:04:23,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 16:04:23,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 16:04:23,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 16:04:23,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 04:04:19" (1/3) ... [2021-11-22 16:04:23,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf99bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:04:23, skipping insertion in model container [2021-11-22 16:04:23,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:04:20" (2/3) ... [2021-11-22 16:04:23,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf99bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:04:23, skipping insertion in model container [2021-11-22 16:04:23,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:04:23" (3/3) ... [2021-11-22 16:04:23,696 INFO L111 eAbstractionObserver]: Analyzing ICFG cdaudio_simpl1.cil-1.c [2021-11-22 16:04:23,705 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 16:04:23,706 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 103 error locations. [2021-11-22 16:04:23,789 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 16:04:23,795 INFO L339 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 16:04:23,796 INFO L340 AbstractCegarLoop]: Starting to check reachability of 103 error locations. [2021-11-22 16:04:23,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 1315 states, 1211 states have (on average 1.564822460776218) internal successors, (1895), 1314 states have internal predecessors, (1895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:23,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 16:04:23,852 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:23,853 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:23,854 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:23,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:23,860 INFO L85 PathProgramCache]: Analyzing trace with hash -710802339, now seen corresponding path program 1 times [2021-11-22 16:04:23,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:23,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035537513] [2021-11-22 16:04:23,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:23,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:24,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:24,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:24,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035537513] [2021-11-22 16:04:24,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035537513] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:24,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:24,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:04:24,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990285339] [2021-11-22 16:04:24,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:24,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:04:24,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:24,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:04:24,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:24,135 INFO L87 Difference]: Start difference. First operand has 1315 states, 1211 states have (on average 1.564822460776218) internal successors, (1895), 1314 states have internal predecessors, (1895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:24,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:24,686 INFO L93 Difference]: Finished difference Result 2227 states and 3191 transitions. [2021-11-22 16:04:24,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:04:24,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-22 16:04:24,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:24,722 INFO L225 Difference]: With dead ends: 2227 [2021-11-22 16:04:24,723 INFO L226 Difference]: Without dead ends: 1207 [2021-11-22 16:04:24,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:24,743 INFO L933 BasicCegarLoop]: 1681 mSDtfsCounter, 8 mSDsluCounter, 1326 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3007 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:24,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 3007 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 16:04:24,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2021-11-22 16:04:24,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1207. [2021-11-22 16:04:24,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1207 states, 1104 states have (on average 1.5144927536231885) internal successors, (1672), 1206 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:24,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1672 transitions. [2021-11-22 16:04:24,910 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1672 transitions. Word has length 12 [2021-11-22 16:04:24,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:24,911 INFO L470 AbstractCegarLoop]: Abstraction has 1207 states and 1672 transitions. [2021-11-22 16:04:24,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:24,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1672 transitions. [2021-11-22 16:04:24,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 16:04:24,913 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:24,913 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:24,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 16:04:24,914 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr95ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:24,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:24,915 INFO L85 PathProgramCache]: Analyzing trace with hash 299866245, now seen corresponding path program 1 times [2021-11-22 16:04:24,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:24,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661649623] [2021-11-22 16:04:24,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:24,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:25,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:25,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:25,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661649623] [2021-11-22 16:04:25,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661649623] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:25,012 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:25,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:04:25,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67002116] [2021-11-22 16:04:25,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:25,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:04:25,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:25,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:04:25,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:25,015 INFO L87 Difference]: Start difference. First operand 1207 states and 1672 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:25,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:25,404 INFO L93 Difference]: Finished difference Result 1487 states and 2042 transitions. [2021-11-22 16:04:25,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:04:25,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-22 16:04:25,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:25,413 INFO L225 Difference]: With dead ends: 1487 [2021-11-22 16:04:25,413 INFO L226 Difference]: Without dead ends: 1289 [2021-11-22 16:04:25,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:25,416 INFO L933 BasicCegarLoop]: 1548 mSDtfsCounter, 1026 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1026 SdHoareTripleChecker+Valid, 2075 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:25,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1026 Valid, 2075 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 16:04:25,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2021-11-22 16:04:25,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1263. [2021-11-22 16:04:25,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1263 states, 1196 states have (on average 1.4816053511705685) internal successors, (1772), 1262 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:25,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 1772 transitions. [2021-11-22 16:04:25,465 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 1772 transitions. Word has length 14 [2021-11-22 16:04:25,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:25,465 INFO L470 AbstractCegarLoop]: Abstraction has 1263 states and 1772 transitions. [2021-11-22 16:04:25,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:25,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1772 transitions. [2021-11-22 16:04:25,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 16:04:25,467 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:25,468 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:25,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 16:04:25,468 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:25,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:25,469 INFO L85 PathProgramCache]: Analyzing trace with hash -796054559, now seen corresponding path program 1 times [2021-11-22 16:04:25,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:25,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936815407] [2021-11-22 16:04:25,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:25,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:25,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:25,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:25,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936815407] [2021-11-22 16:04:25,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936815407] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:25,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:25,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:04:25,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784208043] [2021-11-22 16:04:25,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:25,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:04:25,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:25,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:04:25,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:25,549 INFO L87 Difference]: Start difference. First operand 1263 states and 1772 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:25,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:25,650 INFO L93 Difference]: Finished difference Result 1657 states and 2293 transitions. [2021-11-22 16:04:25,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:04:25,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-22 16:04:25,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:25,660 INFO L225 Difference]: With dead ends: 1657 [2021-11-22 16:04:25,660 INFO L226 Difference]: Without dead ends: 1277 [2021-11-22 16:04:25,661 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:25,671 INFO L933 BasicCegarLoop]: 1348 mSDtfsCounter, 1243 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1243 SdHoareTripleChecker+Valid, 1619 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:25,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1243 Valid, 1619 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:04:25,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2021-11-22 16:04:25,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1086. [2021-11-22 16:04:25,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 1040 states have (on average 1.4730769230769232) internal successors, (1532), 1085 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:25,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1532 transitions. [2021-11-22 16:04:25,736 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1532 transitions. Word has length 16 [2021-11-22 16:04:25,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:25,736 INFO L470 AbstractCegarLoop]: Abstraction has 1086 states and 1532 transitions. [2021-11-22 16:04:25,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:25,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1532 transitions. [2021-11-22 16:04:25,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 16:04:25,746 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:25,746 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:25,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 16:04:25,747 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:25,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:25,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1600349693, now seen corresponding path program 1 times [2021-11-22 16:04:25,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:25,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024406388] [2021-11-22 16:04:25,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:25,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:25,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:25,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:25,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024406388] [2021-11-22 16:04:25,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024406388] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:25,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:25,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:04:25,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815119541] [2021-11-22 16:04:25,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:25,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:04:25,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:25,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:04:25,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:25,866 INFO L87 Difference]: Start difference. First operand 1086 states and 1532 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:26,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:26,264 INFO L93 Difference]: Finished difference Result 1787 states and 2490 transitions. [2021-11-22 16:04:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:04:26,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-22 16:04:26,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:26,278 INFO L225 Difference]: With dead ends: 1787 [2021-11-22 16:04:26,278 INFO L226 Difference]: Without dead ends: 1550 [2021-11-22 16:04:26,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:26,291 INFO L933 BasicCegarLoop]: 1798 mSDtfsCounter, 525 mSDsluCounter, 1058 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 2856 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:26,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [525 Valid, 2856 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 16:04:26,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2021-11-22 16:04:26,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1255. [2021-11-22 16:04:26,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1209 states have (on average 1.4755996691480562) internal successors, (1784), 1254 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:26,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1784 transitions. [2021-11-22 16:04:26,361 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1784 transitions. Word has length 18 [2021-11-22 16:04:26,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:26,362 INFO L470 AbstractCegarLoop]: Abstraction has 1255 states and 1784 transitions. [2021-11-22 16:04:26,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:26,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1784 transitions. [2021-11-22 16:04:26,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 16:04:26,365 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:26,365 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:26,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 16:04:26,365 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:26,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:26,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1936422374, now seen corresponding path program 1 times [2021-11-22 16:04:26,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:26,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391425365] [2021-11-22 16:04:26,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:26,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:26,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:26,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:26,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391425365] [2021-11-22 16:04:26,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391425365] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:26,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:26,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:04:26,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175073227] [2021-11-22 16:04:26,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:26,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:04:26,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:26,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:04:26,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:04:26,544 INFO L87 Difference]: Start difference. First operand 1255 states and 1784 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:27,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:27,009 INFO L93 Difference]: Finished difference Result 1884 states and 2637 transitions. [2021-11-22 16:04:27,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 16:04:27,010 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-22 16:04:27,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:27,018 INFO L225 Difference]: With dead ends: 1884 [2021-11-22 16:04:27,018 INFO L226 Difference]: Without dead ends: 1156 [2021-11-22 16:04:27,020 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:04:27,021 INFO L933 BasicCegarLoop]: 1187 mSDtfsCounter, 2151 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2151 SdHoareTripleChecker+Valid, 1498 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:27,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2151 Valid, 1498 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 16:04:27,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2021-11-22 16:04:27,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 1038. [2021-11-22 16:04:27,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1038 states, 1014 states have (on average 1.4220907297830374) internal successors, (1442), 1037 states have internal predecessors, (1442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:27,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1442 transitions. [2021-11-22 16:04:27,082 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1442 transitions. Word has length 19 [2021-11-22 16:04:27,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:27,083 INFO L470 AbstractCegarLoop]: Abstraction has 1038 states and 1442 transitions. [2021-11-22 16:04:27,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:27,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1442 transitions. [2021-11-22 16:04:27,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 16:04:27,087 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:27,087 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:27,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 16:04:27,088 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:27,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:27,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1594335739, now seen corresponding path program 1 times [2021-11-22 16:04:27,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:27,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615030744] [2021-11-22 16:04:27,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:27,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:27,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:27,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:27,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615030744] [2021-11-22 16:04:27,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615030744] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:27,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:27,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:04:27,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278044330] [2021-11-22 16:04:27,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:27,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:04:27,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:27,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:04:27,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:04:27,157 INFO L87 Difference]: Start difference. First operand 1038 states and 1442 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:27,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:27,262 INFO L93 Difference]: Finished difference Result 1360 states and 1874 transitions. [2021-11-22 16:04:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 16:04:27,263 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-11-22 16:04:27,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:27,270 INFO L225 Difference]: With dead ends: 1360 [2021-11-22 16:04:27,270 INFO L226 Difference]: Without dead ends: 1105 [2021-11-22 16:04:27,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:04:27,272 INFO L933 BasicCegarLoop]: 1284 mSDtfsCounter, 431 mSDsluCounter, 2111 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 3395 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:27,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [431 Valid, 3395 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:04:27,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2021-11-22 16:04:27,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 1020. [2021-11-22 16:04:27,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1020 states, 998 states have (on average 1.4168336673346693) internal successors, (1414), 1019 states have internal predecessors, (1414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:27,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1414 transitions. [2021-11-22 16:04:27,330 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1414 transitions. Word has length 21 [2021-11-22 16:04:27,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:27,331 INFO L470 AbstractCegarLoop]: Abstraction has 1020 states and 1414 transitions. [2021-11-22 16:04:27,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:27,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1414 transitions. [2021-11-22 16:04:27,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 16:04:27,333 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:27,333 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:27,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 16:04:27,333 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:27,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:27,334 INFO L85 PathProgramCache]: Analyzing trace with hash -853878595, now seen corresponding path program 1 times [2021-11-22 16:04:27,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:27,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518959624] [2021-11-22 16:04:27,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:27,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:27,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:27,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:27,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518959624] [2021-11-22 16:04:27,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518959624] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:27,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:27,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:04:27,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618320622] [2021-11-22 16:04:27,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:27,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:04:27,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:27,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:04:27,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:27,390 INFO L87 Difference]: Start difference. First operand 1020 states and 1414 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:27,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:27,645 INFO L93 Difference]: Finished difference Result 1020 states and 1414 transitions. [2021-11-22 16:04:27,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:04:27,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-22 16:04:27,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:27,653 INFO L225 Difference]: With dead ends: 1020 [2021-11-22 16:04:27,653 INFO L226 Difference]: Without dead ends: 1002 [2021-11-22 16:04:27,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:27,655 INFO L933 BasicCegarLoop]: 1159 mSDtfsCounter, 120 mSDsluCounter, 880 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 2039 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:27,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 2039 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 16:04:27,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2021-11-22 16:04:27,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 1002. [2021-11-22 16:04:27,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 989 states have (on average 1.4115267947421637) internal successors, (1396), 1001 states have internal predecessors, (1396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:27,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1396 transitions. [2021-11-22 16:04:27,711 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1396 transitions. Word has length 22 [2021-11-22 16:04:27,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:27,712 INFO L470 AbstractCegarLoop]: Abstraction has 1002 states and 1396 transitions. [2021-11-22 16:04:27,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:27,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1396 transitions. [2021-11-22 16:04:27,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 16:04:27,736 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:27,737 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:27,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 16:04:27,737 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:27,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:27,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1006601915, now seen corresponding path program 1 times [2021-11-22 16:04:27,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:27,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092442133] [2021-11-22 16:04:27,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:27,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:27,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:27,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:27,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092442133] [2021-11-22 16:04:27,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092442133] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:27,773 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:27,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:04:27,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536581404] [2021-11-22 16:04:27,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:27,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:04:27,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:27,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:04:27,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:27,775 INFO L87 Difference]: Start difference. First operand 1002 states and 1396 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:27,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:27,850 INFO L93 Difference]: Finished difference Result 1083 states and 1497 transitions. [2021-11-22 16:04:27,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:04:27,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-22 16:04:27,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:27,857 INFO L225 Difference]: With dead ends: 1083 [2021-11-22 16:04:27,857 INFO L226 Difference]: Without dead ends: 1060 [2021-11-22 16:04:27,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:27,859 INFO L933 BasicCegarLoop]: 1198 mSDtfsCounter, 1174 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1174 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:27,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1174 Valid, 1255 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:04:27,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2021-11-22 16:04:27,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 1010. [2021-11-22 16:04:27,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1010 states, 998 states have (on average 1.4238476953907815) internal successors, (1421), 1009 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:27,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1421 transitions. [2021-11-22 16:04:27,920 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1421 transitions. Word has length 24 [2021-11-22 16:04:27,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:27,922 INFO L470 AbstractCegarLoop]: Abstraction has 1010 states and 1421 transitions. [2021-11-22 16:04:27,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:27,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1421 transitions. [2021-11-22 16:04:27,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 16:04:27,924 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:27,925 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:27,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 16:04:27,927 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:27,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:27,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1096985501, now seen corresponding path program 1 times [2021-11-22 16:04:27,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:27,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903566986] [2021-11-22 16:04:27,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:27,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:27,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:27,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:27,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903566986] [2021-11-22 16:04:27,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903566986] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:27,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:27,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:04:27,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026907885] [2021-11-22 16:04:27,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:27,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:04:27,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:27,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:04:27,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:27,973 INFO L87 Difference]: Start difference. First operand 1010 states and 1421 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:28,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:28,045 INFO L93 Difference]: Finished difference Result 1290 states and 1802 transitions. [2021-11-22 16:04:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:04:28,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-22 16:04:28,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:28,053 INFO L225 Difference]: With dead ends: 1290 [2021-11-22 16:04:28,053 INFO L226 Difference]: Without dead ends: 1058 [2021-11-22 16:04:28,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:28,054 INFO L933 BasicCegarLoop]: 1246 mSDtfsCounter, 218 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 2266 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:28,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 2266 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:04:28,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2021-11-22 16:04:28,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 1010. [2021-11-22 16:04:28,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1010 states, 998 states have (on average 1.4218436873747495) internal successors, (1419), 1009 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:28,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 1419 transitions. [2021-11-22 16:04:28,110 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 1419 transitions. Word has length 28 [2021-11-22 16:04:28,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:28,110 INFO L470 AbstractCegarLoop]: Abstraction has 1010 states and 1419 transitions. [2021-11-22 16:04:28,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:28,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1419 transitions. [2021-11-22 16:04:28,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 16:04:28,113 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:28,113 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:28,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 16:04:28,113 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:28,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:28,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1181073159, now seen corresponding path program 1 times [2021-11-22 16:04:28,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:28,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035234916] [2021-11-22 16:04:28,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:28,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:28,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:28,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:28,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035234916] [2021-11-22 16:04:28,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035234916] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:28,148 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:28,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:04:28,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852626304] [2021-11-22 16:04:28,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:28,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:04:28,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:28,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:04:28,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:28,150 INFO L87 Difference]: Start difference. First operand 1010 states and 1419 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:28,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:28,395 INFO L93 Difference]: Finished difference Result 1209 states and 1689 transitions. [2021-11-22 16:04:28,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:04:28,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-22 16:04:28,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:28,402 INFO L225 Difference]: With dead ends: 1209 [2021-11-22 16:04:28,402 INFO L226 Difference]: Without dead ends: 1000 [2021-11-22 16:04:28,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:28,404 INFO L933 BasicCegarLoop]: 1209 mSDtfsCounter, 33 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 2177 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:28,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 2177 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 16:04:28,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2021-11-22 16:04:28,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 1000. [2021-11-22 16:04:28,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1000 states, 991 states have (on average 1.4167507568113018) internal successors, (1404), 999 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:28,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1404 transitions. [2021-11-22 16:04:28,464 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1404 transitions. Word has length 30 [2021-11-22 16:04:28,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:28,464 INFO L470 AbstractCegarLoop]: Abstraction has 1000 states and 1404 transitions. [2021-11-22 16:04:28,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:28,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1404 transitions. [2021-11-22 16:04:28,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 16:04:28,467 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:28,467 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:28,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 16:04:28,468 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:28,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:28,468 INFO L85 PathProgramCache]: Analyzing trace with hash -724765270, now seen corresponding path program 1 times [2021-11-22 16:04:28,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:28,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187134469] [2021-11-22 16:04:28,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:28,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:28,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:28,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:28,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187134469] [2021-11-22 16:04:28,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187134469] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:28,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:28,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:04:28,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342171949] [2021-11-22 16:04:28,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:28,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:04:28,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:28,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:04:28,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:04:28,541 INFO L87 Difference]: Start difference. First operand 1000 states and 1404 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:28,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:28,870 INFO L93 Difference]: Finished difference Result 1073 states and 1481 transitions. [2021-11-22 16:04:28,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 16:04:28,871 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-22 16:04:28,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:28,877 INFO L225 Difference]: With dead ends: 1073 [2021-11-22 16:04:28,878 INFO L226 Difference]: Without dead ends: 1020 [2021-11-22 16:04:28,878 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:04:28,879 INFO L933 BasicCegarLoop]: 1063 mSDtfsCounter, 1294 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1294 SdHoareTripleChecker+Valid, 1933 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:28,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1294 Valid, 1933 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 16:04:28,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2021-11-22 16:04:28,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1000. [2021-11-22 16:04:28,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1000 states, 991 states have (on average 1.4076690211907164) internal successors, (1395), 999 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:28,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1395 transitions. [2021-11-22 16:04:28,954 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1395 transitions. Word has length 31 [2021-11-22 16:04:28,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:28,954 INFO L470 AbstractCegarLoop]: Abstraction has 1000 states and 1395 transitions. [2021-11-22 16:04:28,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:28,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1395 transitions. [2021-11-22 16:04:28,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 16:04:28,958 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:28,958 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:28,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-22 16:04:28,959 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:28,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:28,960 INFO L85 PathProgramCache]: Analyzing trace with hash 965779378, now seen corresponding path program 1 times [2021-11-22 16:04:28,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:28,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847257963] [2021-11-22 16:04:28,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:28,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:28,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:28,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:28,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847257963] [2021-11-22 16:04:29,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847257963] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:29,000 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:29,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:04:29,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150706512] [2021-11-22 16:04:29,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:29,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:04:29,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:29,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:04:29,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:29,002 INFO L87 Difference]: Start difference. First operand 1000 states and 1395 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:29,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:29,247 INFO L93 Difference]: Finished difference Result 1026 states and 1424 transitions. [2021-11-22 16:04:29,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:04:29,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-22 16:04:29,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:29,255 INFO L225 Difference]: With dead ends: 1026 [2021-11-22 16:04:29,255 INFO L226 Difference]: Without dead ends: 1021 [2021-11-22 16:04:29,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:29,257 INFO L933 BasicCegarLoop]: 1176 mSDtfsCounter, 44 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 2115 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:29,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 2115 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 16:04:29,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2021-11-22 16:04:29,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 1018. [2021-11-22 16:04:29,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1018 states, 1009 states have (on average 1.404360753221011) internal successors, (1417), 1017 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:29,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1417 transitions. [2021-11-22 16:04:29,314 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1417 transitions. Word has length 32 [2021-11-22 16:04:29,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:29,315 INFO L470 AbstractCegarLoop]: Abstraction has 1018 states and 1417 transitions. [2021-11-22 16:04:29,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:29,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1417 transitions. [2021-11-22 16:04:29,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 16:04:29,318 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:29,318 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:29,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-22 16:04:29,319 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:29,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:29,319 INFO L85 PathProgramCache]: Analyzing trace with hash -107443175, now seen corresponding path program 1 times [2021-11-22 16:04:29,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:29,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062373687] [2021-11-22 16:04:29,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:29,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:29,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:29,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:29,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062373687] [2021-11-22 16:04:29,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062373687] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:29,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:29,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:04:29,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131401270] [2021-11-22 16:04:29,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:29,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:04:29,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:29,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:04:29,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:04:29,394 INFO L87 Difference]: Start difference. First operand 1018 states and 1417 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:29,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:29,696 INFO L93 Difference]: Finished difference Result 1026 states and 1423 transitions. [2021-11-22 16:04:29,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 16:04:29,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-22 16:04:29,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:29,703 INFO L225 Difference]: With dead ends: 1026 [2021-11-22 16:04:29,704 INFO L226 Difference]: Without dead ends: 1021 [2021-11-22 16:04:29,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:04:29,705 INFO L933 BasicCegarLoop]: 1142 mSDtfsCounter, 1224 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1224 SdHoareTripleChecker+Valid, 2081 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:29,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1224 Valid, 2081 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 16:04:29,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2021-11-22 16:04:29,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 1018. [2021-11-22 16:04:29,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1018 states, 1009 states have (on average 1.4033696729435083) internal successors, (1416), 1017 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:29,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1416 transitions. [2021-11-22 16:04:29,768 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1416 transitions. Word has length 33 [2021-11-22 16:04:29,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:29,769 INFO L470 AbstractCegarLoop]: Abstraction has 1018 states and 1416 transitions. [2021-11-22 16:04:29,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:29,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1416 transitions. [2021-11-22 16:04:29,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 16:04:29,772 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:29,772 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:29,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-22 16:04:29,773 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:29,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:29,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1489783520, now seen corresponding path program 1 times [2021-11-22 16:04:29,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:29,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872801279] [2021-11-22 16:04:29,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:29,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:29,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:29,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:29,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872801279] [2021-11-22 16:04:29,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872801279] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:29,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:29,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:04:29,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995321100] [2021-11-22 16:04:29,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:29,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:04:29,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:29,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:04:29,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:29,837 INFO L87 Difference]: Start difference. First operand 1018 states and 1416 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:29,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:29,916 INFO L93 Difference]: Finished difference Result 1253 states and 1728 transitions. [2021-11-22 16:04:29,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:04:29,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-22 16:04:29,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:29,924 INFO L225 Difference]: With dead ends: 1253 [2021-11-22 16:04:29,924 INFO L226 Difference]: Without dead ends: 1114 [2021-11-22 16:04:29,925 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:29,926 INFO L933 BasicCegarLoop]: 1219 mSDtfsCounter, 178 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 2308 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:29,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 2308 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:04:29,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2021-11-22 16:04:29,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1006. [2021-11-22 16:04:29,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1006 states, 1000 states have (on average 1.398) internal successors, (1398), 1005 states have internal predecessors, (1398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:29,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1398 transitions. [2021-11-22 16:04:29,989 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1398 transitions. Word has length 33 [2021-11-22 16:04:29,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:29,989 INFO L470 AbstractCegarLoop]: Abstraction has 1006 states and 1398 transitions. [2021-11-22 16:04:29,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:29,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1398 transitions. [2021-11-22 16:04:29,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 16:04:29,992 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:29,993 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:29,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-22 16:04:29,993 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:29,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:29,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1965020081, now seen corresponding path program 1 times [2021-11-22 16:04:29,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:29,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45478325] [2021-11-22 16:04:29,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:29,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:30,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:30,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:30,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45478325] [2021-11-22 16:04:30,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45478325] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:30,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:30,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:04:30,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595608811] [2021-11-22 16:04:30,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:30,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:04:30,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:30,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:04:30,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:04:30,090 INFO L87 Difference]: Start difference. First operand 1006 states and 1398 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:30,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:30,358 INFO L93 Difference]: Finished difference Result 1061 states and 1455 transitions. [2021-11-22 16:04:30,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 16:04:30,358 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-22 16:04:30,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:30,365 INFO L225 Difference]: With dead ends: 1061 [2021-11-22 16:04:30,365 INFO L226 Difference]: Without dead ends: 997 [2021-11-22 16:04:30,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:04:30,369 INFO L933 BasicCegarLoop]: 1101 mSDtfsCounter, 1232 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1232 SdHoareTripleChecker+Valid, 1968 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:30,369 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1232 Valid, 1968 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 16:04:30,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2021-11-22 16:04:30,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 997. [2021-11-22 16:04:30,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 997 states, 991 states have (on average 1.3834510595358225) internal successors, (1371), 996 states have internal predecessors, (1371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:30,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1371 transitions. [2021-11-22 16:04:30,431 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1371 transitions. Word has length 33 [2021-11-22 16:04:30,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:30,431 INFO L470 AbstractCegarLoop]: Abstraction has 997 states and 1371 transitions. [2021-11-22 16:04:30,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:30,432 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1371 transitions. [2021-11-22 16:04:30,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 16:04:30,434 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:30,435 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:30,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-22 16:04:30,435 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:30,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:30,436 INFO L85 PathProgramCache]: Analyzing trace with hash 233221455, now seen corresponding path program 1 times [2021-11-22 16:04:30,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:30,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834676900] [2021-11-22 16:04:30,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:30,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:30,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:30,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:30,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834676900] [2021-11-22 16:04:30,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834676900] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:30,490 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:30,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:04:30,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710833605] [2021-11-22 16:04:30,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:30,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:04:30,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:30,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:04:30,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:30,492 INFO L87 Difference]: Start difference. First operand 997 states and 1371 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:30,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:30,709 INFO L93 Difference]: Finished difference Result 1033 states and 1408 transitions. [2021-11-22 16:04:30,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:04:30,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-22 16:04:30,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:30,715 INFO L225 Difference]: With dead ends: 1033 [2021-11-22 16:04:30,716 INFO L226 Difference]: Without dead ends: 1019 [2021-11-22 16:04:30,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:30,717 INFO L933 BasicCegarLoop]: 1156 mSDtfsCounter, 44 mSDsluCounter, 938 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 2094 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:30,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 2094 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:04:30,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2021-11-22 16:04:30,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 1007. [2021-11-22 16:04:30,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1007 states, 1001 states have (on average 1.3806193806193807) internal successors, (1382), 1006 states have internal predecessors, (1382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:30,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1382 transitions. [2021-11-22 16:04:30,778 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1382 transitions. Word has length 33 [2021-11-22 16:04:30,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:30,779 INFO L470 AbstractCegarLoop]: Abstraction has 1007 states and 1382 transitions. [2021-11-22 16:04:30,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:30,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1382 transitions. [2021-11-22 16:04:30,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 16:04:30,781 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:30,782 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:30,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-22 16:04:30,782 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:30,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:30,783 INFO L85 PathProgramCache]: Analyzing trace with hash 413722626, now seen corresponding path program 1 times [2021-11-22 16:04:30,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:30,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699318774] [2021-11-22 16:04:30,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:30,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:30,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:30,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:30,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699318774] [2021-11-22 16:04:30,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699318774] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:30,868 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:30,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:04:30,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866163465] [2021-11-22 16:04:30,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:30,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:04:30,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:30,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:04:30,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:04:30,871 INFO L87 Difference]: Start difference. First operand 1007 states and 1382 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:31,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:31,120 INFO L93 Difference]: Finished difference Result 1015 states and 1388 transitions. [2021-11-22 16:04:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 16:04:31,121 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-22 16:04:31,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:31,127 INFO L225 Difference]: With dead ends: 1015 [2021-11-22 16:04:31,128 INFO L226 Difference]: Without dead ends: 1010 [2021-11-22 16:04:31,128 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:04:31,129 INFO L933 BasicCegarLoop]: 1114 mSDtfsCounter, 1182 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1182 SdHoareTripleChecker+Valid, 2047 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:31,129 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1182 Valid, 2047 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 16:04:31,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2021-11-22 16:04:31,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 1007. [2021-11-22 16:04:31,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1007 states, 1001 states have (on average 1.3796203796203796) internal successors, (1381), 1006 states have internal predecessors, (1381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:31,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1381 transitions. [2021-11-22 16:04:31,195 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1381 transitions. Word has length 34 [2021-11-22 16:04:31,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:31,195 INFO L470 AbstractCegarLoop]: Abstraction has 1007 states and 1381 transitions. [2021-11-22 16:04:31,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:31,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1381 transitions. [2021-11-22 16:04:31,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 16:04:31,199 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:31,199 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:31,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-22 16:04:31,199 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:31,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:31,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1520368041, now seen corresponding path program 1 times [2021-11-22 16:04:31,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:31,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853832319] [2021-11-22 16:04:31,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:31,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:31,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:31,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:31,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853832319] [2021-11-22 16:04:31,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853832319] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:31,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:31,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:04:31,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108092340] [2021-11-22 16:04:31,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:31,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:04:31,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:31,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:04:31,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:31,251 INFO L87 Difference]: Start difference. First operand 1007 states and 1381 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:31,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:31,328 INFO L93 Difference]: Finished difference Result 1109 states and 1518 transitions. [2021-11-22 16:04:31,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:04:31,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-22 16:04:31,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:31,335 INFO L225 Difference]: With dead ends: 1109 [2021-11-22 16:04:31,335 INFO L226 Difference]: Without dead ends: 991 [2021-11-22 16:04:31,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:31,337 INFO L933 BasicCegarLoop]: 1137 mSDtfsCounter, 24 mSDsluCounter, 1107 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 2244 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:31,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 2244 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:04:31,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2021-11-22 16:04:31,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2021-11-22 16:04:31,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 985 states have (on average 1.3725888324873097) internal successors, (1352), 990 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:31,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1352 transitions. [2021-11-22 16:04:31,406 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1352 transitions. Word has length 34 [2021-11-22 16:04:31,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:31,407 INFO L470 AbstractCegarLoop]: Abstraction has 991 states and 1352 transitions. [2021-11-22 16:04:31,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:31,407 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1352 transitions. [2021-11-22 16:04:31,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 16:04:31,410 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:31,410 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:31,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-22 16:04:31,411 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:31,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:31,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1341889399, now seen corresponding path program 1 times [2021-11-22 16:04:31,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:31,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652654842] [2021-11-22 16:04:31,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:31,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:31,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:31,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:31,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652654842] [2021-11-22 16:04:31,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652654842] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:31,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:31,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 16:04:31,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895365467] [2021-11-22 16:04:31,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:31,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:04:31,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:31,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:04:31,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:04:31,468 INFO L87 Difference]: Start difference. First operand 991 states and 1352 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:31,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:31,632 INFO L93 Difference]: Finished difference Result 1006 states and 1367 transitions. [2021-11-22 16:04:31,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:04:31,633 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-22 16:04:31,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:31,639 INFO L225 Difference]: With dead ends: 1006 [2021-11-22 16:04:31,639 INFO L226 Difference]: Without dead ends: 1003 [2021-11-22 16:04:31,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-22 16:04:31,641 INFO L933 BasicCegarLoop]: 1141 mSDtfsCounter, 50 mSDsluCounter, 4440 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 5581 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:31,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 5581 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:04:31,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2021-11-22 16:04:31,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 998. [2021-11-22 16:04:31,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 992 states have (on average 1.3709677419354838) internal successors, (1360), 997 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:31,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1360 transitions. [2021-11-22 16:04:31,739 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1360 transitions. Word has length 34 [2021-11-22 16:04:31,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:31,740 INFO L470 AbstractCegarLoop]: Abstraction has 998 states and 1360 transitions. [2021-11-22 16:04:31,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:31,740 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1360 transitions. [2021-11-22 16:04:31,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 16:04:31,743 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:31,743 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:31,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-22 16:04:31,744 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:31,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:31,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1341902308, now seen corresponding path program 1 times [2021-11-22 16:04:31,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:31,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753121082] [2021-11-22 16:04:31,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:31,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:31,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:31,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:31,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753121082] [2021-11-22 16:04:31,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753121082] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:31,794 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:31,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 16:04:31,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818964835] [2021-11-22 16:04:31,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:31,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:04:31,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:31,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:04:31,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:04:31,796 INFO L87 Difference]: Start difference. First operand 998 states and 1360 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:31,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:31,912 INFO L93 Difference]: Finished difference Result 1016 states and 1378 transitions. [2021-11-22 16:04:31,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:04:31,913 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-22 16:04:31,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:31,919 INFO L225 Difference]: With dead ends: 1016 [2021-11-22 16:04:31,919 INFO L226 Difference]: Without dead ends: 997 [2021-11-22 16:04:31,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-22 16:04:31,921 INFO L933 BasicCegarLoop]: 1141 mSDtfsCounter, 38 mSDsluCounter, 4528 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 5669 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:31,922 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 5669 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:04:31,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2021-11-22 16:04:31,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 997. [2021-11-22 16:04:31,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 997 states, 991 states have (on average 1.370332996972755) internal successors, (1358), 996 states have internal predecessors, (1358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:31,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1358 transitions. [2021-11-22 16:04:31,993 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1358 transitions. Word has length 34 [2021-11-22 16:04:31,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:31,993 INFO L470 AbstractCegarLoop]: Abstraction has 997 states and 1358 transitions. [2021-11-22 16:04:31,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:31,994 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1358 transitions. [2021-11-22 16:04:31,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 16:04:31,996 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:31,997 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:31,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-22 16:04:31,998 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:31,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:31,999 INFO L85 PathProgramCache]: Analyzing trace with hash -441002384, now seen corresponding path program 1 times [2021-11-22 16:04:31,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:31,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764860775] [2021-11-22 16:04:31,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:31,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:32,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:32,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:32,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764860775] [2021-11-22 16:04:32,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764860775] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:32,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:32,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 16:04:32,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702975142] [2021-11-22 16:04:32,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:32,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 16:04:32,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:32,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 16:04:32,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-22 16:04:32,067 INFO L87 Difference]: Start difference. First operand 997 states and 1358 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:32,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:32,300 INFO L93 Difference]: Finished difference Result 1019 states and 1381 transitions. [2021-11-22 16:04:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 16:04:32,300 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-22 16:04:32,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:32,307 INFO L225 Difference]: With dead ends: 1019 [2021-11-22 16:04:32,307 INFO L226 Difference]: Without dead ends: 988 [2021-11-22 16:04:32,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-22 16:04:32,309 INFO L933 BasicCegarLoop]: 1126 mSDtfsCounter, 71 mSDsluCounter, 5546 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 6672 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:32,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 6672 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:04:32,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2021-11-22 16:04:32,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 988. [2021-11-22 16:04:32,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 988 states, 982 states have (on average 1.3604887983706722) internal successors, (1336), 987 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:32,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1336 transitions. [2021-11-22 16:04:32,378 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1336 transitions. Word has length 35 [2021-11-22 16:04:32,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:32,379 INFO L470 AbstractCegarLoop]: Abstraction has 988 states and 1336 transitions. [2021-11-22 16:04:32,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:32,379 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1336 transitions. [2021-11-22 16:04:32,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 16:04:32,382 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:32,382 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:32,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-22 16:04:32,383 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:32,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:32,383 INFO L85 PathProgramCache]: Analyzing trace with hash -607600316, now seen corresponding path program 1 times [2021-11-22 16:04:32,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:32,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247448407] [2021-11-22 16:04:32,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:32,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:32,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:32,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:32,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247448407] [2021-11-22 16:04:32,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247448407] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:32,492 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:32,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 16:04:32,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450450298] [2021-11-22 16:04:32,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:32,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 16:04:32,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:32,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 16:04:32,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-22 16:04:32,494 INFO L87 Difference]: Start difference. First operand 988 states and 1336 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:33,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:33,056 INFO L93 Difference]: Finished difference Result 1025 states and 1372 transitions. [2021-11-22 16:04:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 16:04:33,067 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-22 16:04:33,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:33,073 INFO L225 Difference]: With dead ends: 1025 [2021-11-22 16:04:33,073 INFO L226 Difference]: Without dead ends: 1022 [2021-11-22 16:04:33,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-22 16:04:33,076 INFO L933 BasicCegarLoop]: 1100 mSDtfsCounter, 397 mSDsluCounter, 5094 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 6194 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:33,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [397 Valid, 6194 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 16:04:33,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2021-11-22 16:04:33,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 988. [2021-11-22 16:04:33,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 988 states, 982 states have (on average 1.3604887983706722) internal successors, (1336), 987 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:33,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1336 transitions. [2021-11-22 16:04:33,181 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1336 transitions. Word has length 35 [2021-11-22 16:04:33,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:33,182 INFO L470 AbstractCegarLoop]: Abstraction has 988 states and 1336 transitions. [2021-11-22 16:04:33,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:33,183 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1336 transitions. [2021-11-22 16:04:33,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 16:04:33,186 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:33,186 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:33,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-22 16:04:33,187 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:33,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:33,187 INFO L85 PathProgramCache]: Analyzing trace with hash -607613225, now seen corresponding path program 1 times [2021-11-22 16:04:33,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:33,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590970966] [2021-11-22 16:04:33,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:33,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:33,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:33,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:33,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590970966] [2021-11-22 16:04:33,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590970966] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:33,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:33,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:04:33,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034451113] [2021-11-22 16:04:33,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:33,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:04:33,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:33,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:04:33,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:04:33,276 INFO L87 Difference]: Start difference. First operand 988 states and 1336 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:33,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:33,561 INFO L93 Difference]: Finished difference Result 999 states and 1347 transitions. [2021-11-22 16:04:33,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 16:04:33,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-22 16:04:33,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:33,569 INFO L225 Difference]: With dead ends: 999 [2021-11-22 16:04:33,569 INFO L226 Difference]: Without dead ends: 939 [2021-11-22 16:04:33,570 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:04:33,571 INFO L933 BasicCegarLoop]: 1091 mSDtfsCounter, 1142 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1142 SdHoareTripleChecker+Valid, 2001 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:33,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1142 Valid, 2001 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 16:04:33,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2021-11-22 16:04:33,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 936. [2021-11-22 16:04:33,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 936 states, 930 states have (on average 1.3698924731182796) internal successors, (1274), 935 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:33,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1274 transitions. [2021-11-22 16:04:33,636 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1274 transitions. Word has length 35 [2021-11-22 16:04:33,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:33,636 INFO L470 AbstractCegarLoop]: Abstraction has 936 states and 1274 transitions. [2021-11-22 16:04:33,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:33,636 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1274 transitions. [2021-11-22 16:04:33,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 16:04:33,639 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:33,639 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:33,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-22 16:04:33,640 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:33,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:33,640 INFO L85 PathProgramCache]: Analyzing trace with hash -902167539, now seen corresponding path program 1 times [2021-11-22 16:04:33,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:33,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443376703] [2021-11-22 16:04:33,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:33,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:33,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:33,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:33,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443376703] [2021-11-22 16:04:33,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443376703] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:33,718 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:33,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-22 16:04:33,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874176334] [2021-11-22 16:04:33,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:33,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-22 16:04:33,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:33,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-22 16:04:33,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-22 16:04:33,721 INFO L87 Difference]: Start difference. First operand 936 states and 1274 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:33,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:33,993 INFO L93 Difference]: Finished difference Result 959 states and 1298 transitions. [2021-11-22 16:04:33,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 16:04:33,993 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-22 16:04:33,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:34,014 INFO L225 Difference]: With dead ends: 959 [2021-11-22 16:04:34,014 INFO L226 Difference]: Without dead ends: 930 [2021-11-22 16:04:34,020 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-11-22 16:04:34,021 INFO L933 BasicCegarLoop]: 1047 mSDtfsCounter, 113 mSDsluCounter, 7261 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 8308 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:34,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 8308 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:04:34,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2021-11-22 16:04:34,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 930. [2021-11-22 16:04:34,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 930 states, 924 states have (on average 1.3593073593073592) internal successors, (1256), 929 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:34,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1256 transitions. [2021-11-22 16:04:34,090 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1256 transitions. Word has length 36 [2021-11-22 16:04:34,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:34,090 INFO L470 AbstractCegarLoop]: Abstraction has 930 states and 1256 transitions. [2021-11-22 16:04:34,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:34,091 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1256 transitions. [2021-11-22 16:04:34,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 16:04:34,093 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:34,093 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:34,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-22 16:04:34,094 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:34,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:34,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1769171954, now seen corresponding path program 1 times [2021-11-22 16:04:34,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:34,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940017075] [2021-11-22 16:04:34,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:34,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:34,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:34,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:34,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940017075] [2021-11-22 16:04:34,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940017075] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:34,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:34,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 16:04:34,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345373773] [2021-11-22 16:04:34,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:34,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 16:04:34,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:34,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 16:04:34,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-22 16:04:34,155 INFO L87 Difference]: Start difference. First operand 930 states and 1256 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:34,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:34,307 INFO L93 Difference]: Finished difference Result 947 states and 1273 transitions. [2021-11-22 16:04:34,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 16:04:34,308 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-22 16:04:34,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:34,310 INFO L225 Difference]: With dead ends: 947 [2021-11-22 16:04:34,311 INFO L226 Difference]: Without dead ends: 928 [2021-11-22 16:04:34,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-22 16:04:34,312 INFO L933 BasicCegarLoop]: 1035 mSDtfsCounter, 60 mSDsluCounter, 5162 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 6197 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:34,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 6197 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:04:34,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2021-11-22 16:04:34,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 928. [2021-11-22 16:04:34,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 922 states have (on average 1.359002169197397) internal successors, (1253), 927 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:34,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1253 transitions. [2021-11-22 16:04:34,379 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1253 transitions. Word has length 36 [2021-11-22 16:04:34,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:34,380 INFO L470 AbstractCegarLoop]: Abstraction has 928 states and 1253 transitions. [2021-11-22 16:04:34,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:34,380 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1253 transitions. [2021-11-22 16:04:34,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 16:04:34,383 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:34,383 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:34,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-22 16:04:34,383 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:34,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:34,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1316060366, now seen corresponding path program 1 times [2021-11-22 16:04:34,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:34,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007875626] [2021-11-22 16:04:34,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:34,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:34,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:34,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:34,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007875626] [2021-11-22 16:04:34,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007875626] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:34,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:34,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:04:34,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643620926] [2021-11-22 16:04:34,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:34,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:04:34,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:34,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:04:34,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:34,417 INFO L87 Difference]: Start difference. First operand 928 states and 1253 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:34,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:34,491 INFO L93 Difference]: Finished difference Result 982 states and 1311 transitions. [2021-11-22 16:04:34,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:04:34,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-22 16:04:34,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:34,494 INFO L225 Difference]: With dead ends: 982 [2021-11-22 16:04:34,494 INFO L226 Difference]: Without dead ends: 947 [2021-11-22 16:04:34,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:34,496 INFO L933 BasicCegarLoop]: 1054 mSDtfsCounter, 218 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 1879 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:34,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 1879 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:04:34,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2021-11-22 16:04:34,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 928. [2021-11-22 16:04:34,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 922 states have (on average 1.3579175704989155) internal successors, (1252), 927 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:34,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1252 transitions. [2021-11-22 16:04:34,563 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1252 transitions. Word has length 36 [2021-11-22 16:04:34,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:34,563 INFO L470 AbstractCegarLoop]: Abstraction has 928 states and 1252 transitions. [2021-11-22 16:04:34,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:34,563 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1252 transitions. [2021-11-22 16:04:34,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 16:04:34,566 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:34,566 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:34,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-22 16:04:34,567 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:34,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:34,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1566160438, now seen corresponding path program 1 times [2021-11-22 16:04:34,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:34,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115018644] [2021-11-22 16:04:34,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:34,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:34,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:34,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:34,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115018644] [2021-11-22 16:04:34,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115018644] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:34,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:34,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:04:34,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428771848] [2021-11-22 16:04:34,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:34,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:04:34,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:34,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:04:34,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:04:34,606 INFO L87 Difference]: Start difference. First operand 928 states and 1252 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:34,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:34,788 INFO L93 Difference]: Finished difference Result 1089 states and 1459 transitions. [2021-11-22 16:04:34,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 16:04:34,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-22 16:04:34,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:34,791 INFO L225 Difference]: With dead ends: 1089 [2021-11-22 16:04:34,792 INFO L226 Difference]: Without dead ends: 1067 [2021-11-22 16:04:34,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:04:34,793 INFO L933 BasicCegarLoop]: 1062 mSDtfsCounter, 161 mSDsluCounter, 2026 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 3088 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:34,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 3088 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:04:34,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2021-11-22 16:04:34,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 928. [2021-11-22 16:04:34,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 922 states have (on average 1.356832971800434) internal successors, (1251), 927 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:34,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1251 transitions. [2021-11-22 16:04:34,860 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1251 transitions. Word has length 37 [2021-11-22 16:04:34,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:34,860 INFO L470 AbstractCegarLoop]: Abstraction has 928 states and 1251 transitions. [2021-11-22 16:04:34,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:34,861 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1251 transitions. [2021-11-22 16:04:34,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 16:04:34,863 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:34,863 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:34,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-22 16:04:34,864 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:34,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:34,864 INFO L85 PathProgramCache]: Analyzing trace with hash -623993573, now seen corresponding path program 1 times [2021-11-22 16:04:34,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:34,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874878819] [2021-11-22 16:04:34,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:34,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:34,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:34,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:34,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874878819] [2021-11-22 16:04:34,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874878819] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:34,976 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:34,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-22 16:04:34,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740545858] [2021-11-22 16:04:34,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:34,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-22 16:04:34,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:34,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-22 16:04:34,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-22 16:04:34,978 INFO L87 Difference]: Start difference. First operand 928 states and 1251 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:35,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:35,426 INFO L93 Difference]: Finished difference Result 961 states and 1283 transitions. [2021-11-22 16:04:35,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 16:04:35,427 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-22 16:04:35,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:35,429 INFO L225 Difference]: With dead ends: 961 [2021-11-22 16:04:35,429 INFO L226 Difference]: Without dead ends: 931 [2021-11-22 16:04:35,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-22 16:04:35,431 INFO L933 BasicCegarLoop]: 1025 mSDtfsCounter, 412 mSDsluCounter, 5716 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 6741 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:35,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [412 Valid, 6741 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 16:04:35,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2021-11-22 16:04:35,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 912. [2021-11-22 16:04:35,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 906 states have (on average 1.358719646799117) internal successors, (1231), 911 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:35,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1231 transitions. [2021-11-22 16:04:35,493 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1231 transitions. Word has length 37 [2021-11-22 16:04:35,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:35,493 INFO L470 AbstractCegarLoop]: Abstraction has 912 states and 1231 transitions. [2021-11-22 16:04:35,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:35,494 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1231 transitions. [2021-11-22 16:04:35,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 16:04:35,496 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:35,496 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:35,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-22 16:04:35,497 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:35,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:35,498 INFO L85 PathProgramCache]: Analyzing trace with hash -826206296, now seen corresponding path program 1 times [2021-11-22 16:04:35,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:35,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735916507] [2021-11-22 16:04:35,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:35,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:35,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:35,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:35,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735916507] [2021-11-22 16:04:35,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735916507] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:35,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:35,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-22 16:04:35,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916647605] [2021-11-22 16:04:35,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:35,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-22 16:04:35,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:35,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-22 16:04:35,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-22 16:04:35,572 INFO L87 Difference]: Start difference. First operand 912 states and 1231 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:35,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:35,760 INFO L93 Difference]: Finished difference Result 929 states and 1248 transitions. [2021-11-22 16:04:35,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 16:04:35,761 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-22 16:04:35,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:35,763 INFO L225 Difference]: With dead ends: 929 [2021-11-22 16:04:35,764 INFO L226 Difference]: Without dead ends: 897 [2021-11-22 16:04:35,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-22 16:04:35,765 INFO L933 BasicCegarLoop]: 1002 mSDtfsCounter, 92 mSDsluCounter, 5976 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 6978 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:35,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 6978 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:04:35,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2021-11-22 16:04:35,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 897. [2021-11-22 16:04:35,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 897 states, 891 states have (on average 1.3580246913580247) internal successors, (1210), 896 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:35,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1210 transitions. [2021-11-22 16:04:35,835 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1210 transitions. Word has length 38 [2021-11-22 16:04:35,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:35,835 INFO L470 AbstractCegarLoop]: Abstraction has 897 states and 1210 transitions. [2021-11-22 16:04:35,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:35,835 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1210 transitions. [2021-11-22 16:04:35,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 16:04:35,838 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:35,838 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:35,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-22 16:04:35,838 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:35,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:35,839 INFO L85 PathProgramCache]: Analyzing trace with hash -235410077, now seen corresponding path program 1 times [2021-11-22 16:04:35,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:35,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114401375] [2021-11-22 16:04:35,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:35,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:35,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:35,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:35,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114401375] [2021-11-22 16:04:35,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114401375] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:35,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:35,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-22 16:04:35,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535901555] [2021-11-22 16:04:35,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:35,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-22 16:04:35,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:35,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-22 16:04:35,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-22 16:04:35,971 INFO L87 Difference]: Start difference. First operand 897 states and 1210 transitions. Second operand has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:36,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:36,404 INFO L93 Difference]: Finished difference Result 930 states and 1242 transitions. [2021-11-22 16:04:36,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 16:04:36,405 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-22 16:04:36,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:36,407 INFO L225 Difference]: With dead ends: 930 [2021-11-22 16:04:36,408 INFO L226 Difference]: Without dead ends: 900 [2021-11-22 16:04:36,408 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-11-22 16:04:36,409 INFO L933 BasicCegarLoop]: 986 mSDtfsCounter, 419 mSDsluCounter, 6468 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 7454 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:36,409 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [419 Valid, 7454 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 16:04:36,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2021-11-22 16:04:36,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 881. [2021-11-22 16:04:36,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 875 states have (on average 1.36) internal successors, (1190), 880 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:36,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1190 transitions. [2021-11-22 16:04:36,467 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1190 transitions. Word has length 38 [2021-11-22 16:04:36,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:36,467 INFO L470 AbstractCegarLoop]: Abstraction has 881 states and 1190 transitions. [2021-11-22 16:04:36,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:36,468 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1190 transitions. [2021-11-22 16:04:36,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 16:04:36,470 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:36,470 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:36,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-22 16:04:36,471 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:36,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:36,472 INFO L85 PathProgramCache]: Analyzing trace with hash 632328127, now seen corresponding path program 1 times [2021-11-22 16:04:36,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:36,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576695520] [2021-11-22 16:04:36,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:36,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:36,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:36,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:36,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576695520] [2021-11-22 16:04:36,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576695520] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:36,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:36,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 16:04:36,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219787312] [2021-11-22 16:04:36,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:36,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 16:04:36,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:36,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 16:04:36,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-22 16:04:36,527 INFO L87 Difference]: Start difference. First operand 881 states and 1190 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:36,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:36,740 INFO L93 Difference]: Finished difference Result 898 states and 1207 transitions. [2021-11-22 16:04:36,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 16:04:36,740 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-22 16:04:36,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:36,743 INFO L225 Difference]: With dead ends: 898 [2021-11-22 16:04:36,743 INFO L226 Difference]: Without dead ends: 869 [2021-11-22 16:04:36,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-22 16:04:36,744 INFO L933 BasicCegarLoop]: 965 mSDtfsCounter, 71 mSDsluCounter, 4754 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 5719 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:36,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 5719 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:04:36,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2021-11-22 16:04:36,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 869. [2021-11-22 16:04:36,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 869 states, 863 states have (on average 1.3580533024333719) internal successors, (1172), 868 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:36,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1172 transitions. [2021-11-22 16:04:36,801 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1172 transitions. Word has length 38 [2021-11-22 16:04:36,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:36,801 INFO L470 AbstractCegarLoop]: Abstraction has 869 states and 1172 transitions. [2021-11-22 16:04:36,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:36,802 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1172 transitions. [2021-11-22 16:04:36,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 16:04:36,804 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:36,804 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:36,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-22 16:04:36,805 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:36,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:36,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1648411494, now seen corresponding path program 1 times [2021-11-22 16:04:36,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:36,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227715602] [2021-11-22 16:04:36,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:36,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:36,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:36,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:36,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227715602] [2021-11-22 16:04:36,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227715602] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:36,830 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:36,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:04:36,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199841310] [2021-11-22 16:04:36,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:36,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:04:36,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:36,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:04:36,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:36,832 INFO L87 Difference]: Start difference. First operand 869 states and 1172 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:36,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:36,932 INFO L93 Difference]: Finished difference Result 1067 states and 1436 transitions. [2021-11-22 16:04:36,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:04:36,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-22 16:04:36,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:36,935 INFO L225 Difference]: With dead ends: 1067 [2021-11-22 16:04:36,935 INFO L226 Difference]: Without dead ends: 730 [2021-11-22 16:04:36,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:36,937 INFO L933 BasicCegarLoop]: 739 mSDtfsCounter, 209 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 1267 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:36,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 1267 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:04:36,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2021-11-22 16:04:36,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 679. [2021-11-22 16:04:36,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 673 states have (on average 1.3506686478454681) internal successors, (909), 678 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:36,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 909 transitions. [2021-11-22 16:04:36,983 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 909 transitions. Word has length 39 [2021-11-22 16:04:36,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:36,983 INFO L470 AbstractCegarLoop]: Abstraction has 679 states and 909 transitions. [2021-11-22 16:04:36,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:36,984 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 909 transitions. [2021-11-22 16:04:36,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 16:04:36,985 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:36,986 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:36,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-22 16:04:36,986 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:36,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:36,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1292705352, now seen corresponding path program 1 times [2021-11-22 16:04:36,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:36,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182217786] [2021-11-22 16:04:36,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:36,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:37,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:37,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:37,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182217786] [2021-11-22 16:04:37,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182217786] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:37,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:37,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-22 16:04:37,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374976336] [2021-11-22 16:04:37,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:37,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-22 16:04:37,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:37,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-22 16:04:37,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-22 16:04:37,102 INFO L87 Difference]: Start difference. First operand 679 states and 909 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:37,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:37,601 INFO L93 Difference]: Finished difference Result 715 states and 944 transitions. [2021-11-22 16:04:37,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-22 16:04:37,601 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-22 16:04:37,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:37,603 INFO L225 Difference]: With dead ends: 715 [2021-11-22 16:04:37,603 INFO L226 Difference]: Without dead ends: 682 [2021-11-22 16:04:37,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=227, Unknown=0, NotChecked=0, Total=342 [2021-11-22 16:04:37,605 INFO L933 BasicCegarLoop]: 700 mSDtfsCounter, 508 mSDsluCounter, 4483 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 5183 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:37,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [508 Valid, 5183 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 16:04:37,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2021-11-22 16:04:37,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 660. [2021-11-22 16:04:37,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 654 states have (on average 1.348623853211009) internal successors, (882), 659 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:37,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 882 transitions. [2021-11-22 16:04:37,652 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 882 transitions. Word has length 39 [2021-11-22 16:04:37,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:37,652 INFO L470 AbstractCegarLoop]: Abstraction has 660 states and 882 transitions. [2021-11-22 16:04:37,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:37,652 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 882 transitions. [2021-11-22 16:04:37,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 16:04:37,658 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:37,658 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:37,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-22 16:04:37,658 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:37,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:37,659 INFO L85 PathProgramCache]: Analyzing trace with hash 301070438, now seen corresponding path program 1 times [2021-11-22 16:04:37,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:37,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990978695] [2021-11-22 16:04:37,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:37,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:37,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:37,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:37,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990978695] [2021-11-22 16:04:37,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990978695] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:37,682 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:37,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:04:37,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605357809] [2021-11-22 16:04:37,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:37,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:04:37,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:37,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:04:37,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:37,684 INFO L87 Difference]: Start difference. First operand 660 states and 882 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:37,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:37,741 INFO L93 Difference]: Finished difference Result 715 states and 947 transitions. [2021-11-22 16:04:37,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:04:37,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-11-22 16:04:37,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:37,743 INFO L225 Difference]: With dead ends: 715 [2021-11-22 16:04:37,743 INFO L226 Difference]: Without dead ends: 671 [2021-11-22 16:04:37,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:37,745 INFO L933 BasicCegarLoop]: 683 mSDtfsCounter, 542 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:37,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [542 Valid, 828 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:04:37,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2021-11-22 16:04:37,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 657. [2021-11-22 16:04:37,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 651 states have (on average 1.34715821812596) internal successors, (877), 656 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:37,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 877 transitions. [2021-11-22 16:04:37,813 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 877 transitions. Word has length 40 [2021-11-22 16:04:37,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:37,814 INFO L470 AbstractCegarLoop]: Abstraction has 657 states and 877 transitions. [2021-11-22 16:04:37,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:37,814 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 877 transitions. [2021-11-22 16:04:37,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 16:04:37,816 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:37,817 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:37,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-22 16:04:37,817 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:37,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:37,818 INFO L85 PathProgramCache]: Analyzing trace with hash 760440082, now seen corresponding path program 1 times [2021-11-22 16:04:37,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:37,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639861751] [2021-11-22 16:04:37,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:37,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:37,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:37,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:37,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639861751] [2021-11-22 16:04:37,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639861751] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:37,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:37,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 16:04:37,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306793784] [2021-11-22 16:04:37,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:37,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 16:04:37,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:37,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 16:04:37,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-22 16:04:37,879 INFO L87 Difference]: Start difference. First operand 657 states and 877 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:38,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:38,057 INFO L93 Difference]: Finished difference Result 683 states and 907 transitions. [2021-11-22 16:04:38,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 16:04:38,058 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-11-22 16:04:38,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:38,060 INFO L225 Difference]: With dead ends: 683 [2021-11-22 16:04:38,061 INFO L226 Difference]: Without dead ends: 649 [2021-11-22 16:04:38,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-22 16:04:38,062 INFO L933 BasicCegarLoop]: 679 mSDtfsCounter, 79 mSDsluCounter, 3334 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 4013 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:38,063 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 4013 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:04:38,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2021-11-22 16:04:38,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 649. [2021-11-22 16:04:38,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 643 states have (on average 1.3421461897356144) internal successors, (863), 648 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:38,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 863 transitions. [2021-11-22 16:04:38,123 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 863 transitions. Word has length 40 [2021-11-22 16:04:38,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:38,124 INFO L470 AbstractCegarLoop]: Abstraction has 649 states and 863 transitions. [2021-11-22 16:04:38,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:38,124 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 863 transitions. [2021-11-22 16:04:38,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 16:04:38,126 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:38,127 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:38,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-22 16:04:38,127 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:38,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:38,128 INFO L85 PathProgramCache]: Analyzing trace with hash -582339042, now seen corresponding path program 1 times [2021-11-22 16:04:38,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:38,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093707978] [2021-11-22 16:04:38,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:38,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:38,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:38,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:38,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093707978] [2021-11-22 16:04:38,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093707978] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:38,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:38,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:04:38,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523385505] [2021-11-22 16:04:38,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:38,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 16:04:38,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:38,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 16:04:38,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:04:38,177 INFO L87 Difference]: Start difference. First operand 649 states and 863 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:38,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:38,294 INFO L93 Difference]: Finished difference Result 740 states and 962 transitions. [2021-11-22 16:04:38,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 16:04:38,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-22 16:04:38,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:38,297 INFO L225 Difference]: With dead ends: 740 [2021-11-22 16:04:38,297 INFO L226 Difference]: Without dead ends: 719 [2021-11-22 16:04:38,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-22 16:04:38,298 INFO L933 BasicCegarLoop]: 694 mSDtfsCounter, 271 mSDsluCounter, 1804 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 2498 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:38,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [271 Valid, 2498 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:04:38,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2021-11-22 16:04:38,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 656. [2021-11-22 16:04:38,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 650 states have (on average 1.3415384615384616) internal successors, (872), 655 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:38,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 872 transitions. [2021-11-22 16:04:38,343 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 872 transitions. Word has length 41 [2021-11-22 16:04:38,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:38,343 INFO L470 AbstractCegarLoop]: Abstraction has 656 states and 872 transitions. [2021-11-22 16:04:38,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:38,344 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 872 transitions. [2021-11-22 16:04:38,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 16:04:38,346 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:38,346 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:38,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-22 16:04:38,346 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:38,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:38,347 INFO L85 PathProgramCache]: Analyzing trace with hash 389040827, now seen corresponding path program 1 times [2021-11-22 16:04:38,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:38,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965470806] [2021-11-22 16:04:38,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:38,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:38,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:38,446 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:38,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965470806] [2021-11-22 16:04:38,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965470806] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:38,447 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:38,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:04:38,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649979103] [2021-11-22 16:04:38,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:38,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 16:04:38,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:38,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 16:04:38,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:04:38,449 INFO L87 Difference]: Start difference. First operand 656 states and 872 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:38,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:38,601 INFO L93 Difference]: Finished difference Result 791 states and 1045 transitions. [2021-11-22 16:04:38,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 16:04:38,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-22 16:04:38,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:38,603 INFO L225 Difference]: With dead ends: 791 [2021-11-22 16:04:38,603 INFO L226 Difference]: Without dead ends: 656 [2021-11-22 16:04:38,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-22 16:04:38,605 INFO L933 BasicCegarLoop]: 676 mSDtfsCounter, 405 mSDsluCounter, 1614 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 2290 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:38,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [405 Valid, 2290 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:04:38,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2021-11-22 16:04:38,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 642. [2021-11-22 16:04:38,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 636 states have (on average 1.3364779874213837) internal successors, (850), 641 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:38,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 850 transitions. [2021-11-22 16:04:38,690 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 850 transitions. Word has length 41 [2021-11-22 16:04:38,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:38,690 INFO L470 AbstractCegarLoop]: Abstraction has 642 states and 850 transitions. [2021-11-22 16:04:38,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:38,691 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 850 transitions. [2021-11-22 16:04:38,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 16:04:38,692 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:38,692 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:38,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-22 16:04:38,692 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:38,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:38,693 INFO L85 PathProgramCache]: Analyzing trace with hash -596073471, now seen corresponding path program 1 times [2021-11-22 16:04:38,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:38,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073705252] [2021-11-22 16:04:38,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:38,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:38,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:38,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:38,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073705252] [2021-11-22 16:04:38,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073705252] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:38,743 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:38,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 16:04:38,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224694245] [2021-11-22 16:04:38,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:38,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 16:04:38,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:38,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 16:04:38,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-22 16:04:38,746 INFO L87 Difference]: Start difference. First operand 642 states and 850 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:38,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:38,943 INFO L93 Difference]: Finished difference Result 676 states and 888 transitions. [2021-11-22 16:04:38,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 16:04:38,944 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-11-22 16:04:38,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:38,945 INFO L225 Difference]: With dead ends: 676 [2021-11-22 16:04:38,946 INFO L226 Difference]: Without dead ends: 608 [2021-11-22 16:04:38,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-22 16:04:38,947 INFO L933 BasicCegarLoop]: 656 mSDtfsCounter, 98 mSDsluCounter, 3226 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 3882 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:38,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 3882 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:04:38,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2021-11-22 16:04:39,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 600. [2021-11-22 16:04:39,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 594 states have (on average 1.3215488215488216) internal successors, (785), 599 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:39,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 785 transitions. [2021-11-22 16:04:39,005 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 785 transitions. Word has length 42 [2021-11-22 16:04:39,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:39,005 INFO L470 AbstractCegarLoop]: Abstraction has 600 states and 785 transitions. [2021-11-22 16:04:39,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:39,006 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 785 transitions. [2021-11-22 16:04:39,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 16:04:39,007 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:39,007 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:39,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-22 16:04:39,008 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:39,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:39,009 INFO L85 PathProgramCache]: Analyzing trace with hash -814928189, now seen corresponding path program 1 times [2021-11-22 16:04:39,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:39,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287987881] [2021-11-22 16:04:39,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:39,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:39,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:39,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:39,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287987881] [2021-11-22 16:04:39,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287987881] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:39,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:39,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:04:39,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379991367] [2021-11-22 16:04:39,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:39,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:04:39,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:39,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:04:39,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:04:39,047 INFO L87 Difference]: Start difference. First operand 600 states and 785 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:39,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:39,207 INFO L93 Difference]: Finished difference Result 693 states and 892 transitions. [2021-11-22 16:04:39,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 16:04:39,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-11-22 16:04:39,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:39,209 INFO L225 Difference]: With dead ends: 693 [2021-11-22 16:04:39,210 INFO L226 Difference]: Without dead ends: 609 [2021-11-22 16:04:39,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:04:39,212 INFO L933 BasicCegarLoop]: 606 mSDtfsCounter, 137 mSDsluCounter, 1069 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 1675 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:39,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 1675 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:04:39,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2021-11-22 16:04:39,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 545. [2021-11-22 16:04:39,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 539 states have (on average 1.3191094619666048) internal successors, (711), 544 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:39,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 711 transitions. [2021-11-22 16:04:39,263 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 711 transitions. Word has length 42 [2021-11-22 16:04:39,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:39,264 INFO L470 AbstractCegarLoop]: Abstraction has 545 states and 711 transitions. [2021-11-22 16:04:39,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:39,264 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 711 transitions. [2021-11-22 16:04:39,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 16:04:39,265 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:39,266 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:39,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-22 16:04:39,266 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:39,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:39,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1515912084, now seen corresponding path program 1 times [2021-11-22 16:04:39,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:39,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647894682] [2021-11-22 16:04:39,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:39,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:39,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:39,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:39,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647894682] [2021-11-22 16:04:39,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647894682] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:39,371 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:39,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-22 16:04:39,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364559692] [2021-11-22 16:04:39,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:39,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-22 16:04:39,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:39,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-22 16:04:39,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-22 16:04:39,373 INFO L87 Difference]: Start difference. First operand 545 states and 711 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:39,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:39,555 INFO L93 Difference]: Finished difference Result 562 states and 728 transitions. [2021-11-22 16:04:39,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 16:04:39,556 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-22 16:04:39,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:39,557 INFO L225 Difference]: With dead ends: 562 [2021-11-22 16:04:39,558 INFO L226 Difference]: Without dead ends: 540 [2021-11-22 16:04:39,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-11-22 16:04:39,559 INFO L933 BasicCegarLoop]: 529 mSDtfsCounter, 81 mSDsluCounter, 3679 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 4208 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:39,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 4208 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:04:39,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2021-11-22 16:04:39,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 540. [2021-11-22 16:04:39,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 534 states have (on average 1.3183520599250935) internal successors, (704), 539 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:39,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 704 transitions. [2021-11-22 16:04:39,611 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 704 transitions. Word has length 43 [2021-11-22 16:04:39,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:39,611 INFO L470 AbstractCegarLoop]: Abstraction has 540 states and 704 transitions. [2021-11-22 16:04:39,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:39,611 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 704 transitions. [2021-11-22 16:04:39,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 16:04:39,613 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:39,613 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:39,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-22 16:04:39,613 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:39,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:39,614 INFO L85 PathProgramCache]: Analyzing trace with hash -725967575, now seen corresponding path program 1 times [2021-11-22 16:04:39,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:39,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152713648] [2021-11-22 16:04:39,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:39,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:39,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:39,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:39,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152713648] [2021-11-22 16:04:39,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152713648] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:39,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:39,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:04:39,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293176262] [2021-11-22 16:04:39,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:39,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:04:39,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:39,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:04:39,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:39,650 INFO L87 Difference]: Start difference. First operand 540 states and 704 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:39,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:39,740 INFO L93 Difference]: Finished difference Result 662 states and 852 transitions. [2021-11-22 16:04:39,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:04:39,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-22 16:04:39,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:39,742 INFO L225 Difference]: With dead ends: 662 [2021-11-22 16:04:39,743 INFO L226 Difference]: Without dead ends: 622 [2021-11-22 16:04:39,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:39,744 INFO L933 BasicCegarLoop]: 575 mSDtfsCounter, 104 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 1062 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:39,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 1062 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:04:39,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2021-11-22 16:04:39,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 540. [2021-11-22 16:04:39,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 534 states have (on average 1.3108614232209739) internal successors, (700), 539 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:39,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 700 transitions. [2021-11-22 16:04:39,799 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 700 transitions. Word has length 43 [2021-11-22 16:04:39,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:39,799 INFO L470 AbstractCegarLoop]: Abstraction has 540 states and 700 transitions. [2021-11-22 16:04:39,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:39,800 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 700 transitions. [2021-11-22 16:04:39,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 16:04:39,801 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:39,801 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:39,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-11-22 16:04:39,802 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:39,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:39,802 INFO L85 PathProgramCache]: Analyzing trace with hash -859981081, now seen corresponding path program 1 times [2021-11-22 16:04:39,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:39,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671532368] [2021-11-22 16:04:39,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:39,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:39,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:39,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:39,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671532368] [2021-11-22 16:04:39,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671532368] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:39,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:39,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-22 16:04:39,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913380540] [2021-11-22 16:04:39,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:39,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-22 16:04:39,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:39,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-22 16:04:39,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-22 16:04:39,900 INFO L87 Difference]: Start difference. First operand 540 states and 700 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:40,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:40,177 INFO L93 Difference]: Finished difference Result 635 states and 813 transitions. [2021-11-22 16:04:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 16:04:40,178 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-22 16:04:40,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:40,180 INFO L225 Difference]: With dead ends: 635 [2021-11-22 16:04:40,180 INFO L226 Difference]: Without dead ends: 493 [2021-11-22 16:04:40,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2021-11-22 16:04:40,181 INFO L933 BasicCegarLoop]: 518 mSDtfsCounter, 220 mSDsluCounter, 4085 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 4603 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:40,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 4603 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:04:40,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2021-11-22 16:04:40,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 445. [2021-11-22 16:04:40,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 439 states have (on average 1.287015945330296) internal successors, (565), 444 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:40,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 565 transitions. [2021-11-22 16:04:40,227 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 565 transitions. Word has length 43 [2021-11-22 16:04:40,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:40,227 INFO L470 AbstractCegarLoop]: Abstraction has 445 states and 565 transitions. [2021-11-22 16:04:40,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:40,227 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 565 transitions. [2021-11-22 16:04:40,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 16:04:40,229 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:40,229 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:40,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-22 16:04:40,229 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:40,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:40,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1183187598, now seen corresponding path program 1 times [2021-11-22 16:04:40,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:40,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74505597] [2021-11-22 16:04:40,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:40,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:40,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:40,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:40,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74505597] [2021-11-22 16:04:40,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74505597] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:40,259 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:40,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:04:40,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237885022] [2021-11-22 16:04:40,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:40,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:04:40,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:40,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:04:40,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:40,261 INFO L87 Difference]: Start difference. First operand 445 states and 565 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:40,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:40,402 INFO L93 Difference]: Finished difference Result 557 states and 704 transitions. [2021-11-22 16:04:40,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:04:40,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-22 16:04:40,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:40,405 INFO L225 Difference]: With dead ends: 557 [2021-11-22 16:04:40,405 INFO L226 Difference]: Without dead ends: 544 [2021-11-22 16:04:40,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:40,406 INFO L933 BasicCegarLoop]: 446 mSDtfsCounter, 91 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:40,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 767 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:04:40,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2021-11-22 16:04:40,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 473. [2021-11-22 16:04:40,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 467 states have (on average 1.2805139186295502) internal successors, (598), 472 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:40,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 598 transitions. [2021-11-22 16:04:40,482 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 598 transitions. Word has length 43 [2021-11-22 16:04:40,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:40,484 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 598 transitions. [2021-11-22 16:04:40,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:40,484 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 598 transitions. [2021-11-22 16:04:40,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 16:04:40,486 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:40,486 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:40,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-11-22 16:04:40,488 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:40,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:40,489 INFO L85 PathProgramCache]: Analyzing trace with hash 183122710, now seen corresponding path program 1 times [2021-11-22 16:04:40,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:40,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550740374] [2021-11-22 16:04:40,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:40,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:40,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:40,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:40,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550740374] [2021-11-22 16:04:40,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550740374] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:40,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:40,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:04:40,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415864505] [2021-11-22 16:04:40,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:40,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:04:40,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:40,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:04:40,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:04:40,546 INFO L87 Difference]: Start difference. First operand 473 states and 598 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:40,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:40,694 INFO L93 Difference]: Finished difference Result 651 states and 823 transitions. [2021-11-22 16:04:40,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 16:04:40,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-22 16:04:40,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:40,696 INFO L225 Difference]: With dead ends: 651 [2021-11-22 16:04:40,696 INFO L226 Difference]: Without dead ends: 497 [2021-11-22 16:04:40,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:04:40,698 INFO L933 BasicCegarLoop]: 367 mSDtfsCounter, 421 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:40,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [421 Valid, 664 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:04:40,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2021-11-22 16:04:40,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 473. [2021-11-22 16:04:40,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 467 states have (on average 1.271948608137045) internal successors, (594), 472 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:40,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 594 transitions. [2021-11-22 16:04:40,747 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 594 transitions. Word has length 43 [2021-11-22 16:04:40,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:40,747 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 594 transitions. [2021-11-22 16:04:40,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:40,747 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 594 transitions. [2021-11-22 16:04:40,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 16:04:40,749 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:40,749 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:40,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-11-22 16:04:40,749 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:40,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:40,750 INFO L85 PathProgramCache]: Analyzing trace with hash 626781848, now seen corresponding path program 1 times [2021-11-22 16:04:40,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:40,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988764483] [2021-11-22 16:04:40,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:40,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:40,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:40,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:40,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:40,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988764483] [2021-11-22 16:04:40,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988764483] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:40,775 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:40,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:04:40,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380860641] [2021-11-22 16:04:40,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:40,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:04:40,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:40,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:04:40,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:40,777 INFO L87 Difference]: Start difference. First operand 473 states and 594 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:40,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:40,839 INFO L93 Difference]: Finished difference Result 499 states and 623 transitions. [2021-11-22 16:04:40,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:04:40,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-22 16:04:40,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:40,842 INFO L225 Difference]: With dead ends: 499 [2021-11-22 16:04:40,842 INFO L226 Difference]: Without dead ends: 467 [2021-11-22 16:04:40,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:40,843 INFO L933 BasicCegarLoop]: 431 mSDtfsCounter, 37 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:40,843 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 807 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:04:40,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2021-11-22 16:04:40,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 464. [2021-11-22 16:04:40,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 458 states have (on average 1.262008733624454) internal successors, (578), 463 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:40,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 578 transitions. [2021-11-22 16:04:40,891 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 578 transitions. Word has length 44 [2021-11-22 16:04:40,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:40,891 INFO L470 AbstractCegarLoop]: Abstraction has 464 states and 578 transitions. [2021-11-22 16:04:40,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:40,892 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 578 transitions. [2021-11-22 16:04:40,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 16:04:40,893 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:40,893 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:40,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-11-22 16:04:40,893 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:40,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:40,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1135728066, now seen corresponding path program 1 times [2021-11-22 16:04:40,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:40,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693338668] [2021-11-22 16:04:40,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:40,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:40,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:40,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:40,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693338668] [2021-11-22 16:04:40,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693338668] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:40,947 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:40,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:04:40,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251229188] [2021-11-22 16:04:40,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:40,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:04:40,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:40,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:04:40,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:04:40,949 INFO L87 Difference]: Start difference. First operand 464 states and 578 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:41,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:41,086 INFO L93 Difference]: Finished difference Result 473 states and 585 transitions. [2021-11-22 16:04:41,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 16:04:41,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-11-22 16:04:41,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:41,089 INFO L225 Difference]: With dead ends: 473 [2021-11-22 16:04:41,089 INFO L226 Difference]: Without dead ends: 448 [2021-11-22 16:04:41,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:04:41,090 INFO L933 BasicCegarLoop]: 387 mSDtfsCounter, 389 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:41,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [389 Valid, 704 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:04:41,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2021-11-22 16:04:41,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 444. [2021-11-22 16:04:41,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 438 states have (on average 1.2602739726027397) internal successors, (552), 443 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:41,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 552 transitions. [2021-11-22 16:04:41,140 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 552 transitions. Word has length 45 [2021-11-22 16:04:41,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:41,141 INFO L470 AbstractCegarLoop]: Abstraction has 444 states and 552 transitions. [2021-11-22 16:04:41,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:41,141 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 552 transitions. [2021-11-22 16:04:41,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 16:04:41,142 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:41,143 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:41,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-11-22 16:04:41,143 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:41,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:41,144 INFO L85 PathProgramCache]: Analyzing trace with hash 465016831, now seen corresponding path program 1 times [2021-11-22 16:04:41,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:41,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658487214] [2021-11-22 16:04:41,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:41,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:41,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:41,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:41,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658487214] [2021-11-22 16:04:41,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658487214] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:41,225 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:41,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-22 16:04:41,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626188447] [2021-11-22 16:04:41,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:41,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-22 16:04:41,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:41,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-22 16:04:41,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-22 16:04:41,227 INFO L87 Difference]: Start difference. First operand 444 states and 552 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:41,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:41,385 INFO L93 Difference]: Finished difference Result 506 states and 626 transitions. [2021-11-22 16:04:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 16:04:41,385 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-11-22 16:04:41,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:41,387 INFO L225 Difference]: With dead ends: 506 [2021-11-22 16:04:41,387 INFO L226 Difference]: Without dead ends: 480 [2021-11-22 16:04:41,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-22 16:04:41,388 INFO L933 BasicCegarLoop]: 409 mSDtfsCounter, 122 mSDsluCounter, 2473 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 2882 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:41,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 2882 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:04:41,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2021-11-22 16:04:41,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 432. [2021-11-22 16:04:41,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 426 states have (on average 1.2629107981220657) internal successors, (538), 431 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:41,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 538 transitions. [2021-11-22 16:04:41,422 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 538 transitions. Word has length 45 [2021-11-22 16:04:41,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:41,422 INFO L470 AbstractCegarLoop]: Abstraction has 432 states and 538 transitions. [2021-11-22 16:04:41,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:41,423 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 538 transitions. [2021-11-22 16:04:41,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 16:04:41,424 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:41,424 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:41,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-11-22 16:04:41,424 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:41,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:41,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1614805787, now seen corresponding path program 1 times [2021-11-22 16:04:41,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:41,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083336030] [2021-11-22 16:04:41,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:41,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:41,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:41,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:41,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083336030] [2021-11-22 16:04:41,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083336030] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:41,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:41,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:04:41,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043881796] [2021-11-22 16:04:41,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:41,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:04:41,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:41,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:04:41,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:41,457 INFO L87 Difference]: Start difference. First operand 432 states and 538 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:41,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:41,564 INFO L93 Difference]: Finished difference Result 519 states and 640 transitions. [2021-11-22 16:04:41,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:04:41,565 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-11-22 16:04:41,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:41,566 INFO L225 Difference]: With dead ends: 519 [2021-11-22 16:04:41,566 INFO L226 Difference]: Without dead ends: 375 [2021-11-22 16:04:41,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:41,567 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 29 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:41,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 693 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:04:41,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2021-11-22 16:04:41,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 354. [2021-11-22 16:04:41,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 350 states have (on average 1.2314285714285715) internal successors, (431), 353 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:41,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 431 transitions. [2021-11-22 16:04:41,644 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 431 transitions. Word has length 45 [2021-11-22 16:04:41,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:41,645 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 431 transitions. [2021-11-22 16:04:41,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:41,645 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 431 transitions. [2021-11-22 16:04:41,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 16:04:41,646 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:41,647 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:41,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-11-22 16:04:41,647 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:41,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:41,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1516095375, now seen corresponding path program 1 times [2021-11-22 16:04:41,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:41,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668769400] [2021-11-22 16:04:41,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:41,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:41,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:41,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:41,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668769400] [2021-11-22 16:04:41,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668769400] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:41,798 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:41,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-22 16:04:41,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857039391] [2021-11-22 16:04:41,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:41,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-22 16:04:41,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:41,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-22 16:04:41,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-22 16:04:41,801 INFO L87 Difference]: Start difference. First operand 354 states and 431 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:42,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:42,242 INFO L93 Difference]: Finished difference Result 368 states and 445 transitions. [2021-11-22 16:04:42,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 16:04:42,242 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-11-22 16:04:42,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:42,244 INFO L225 Difference]: With dead ends: 368 [2021-11-22 16:04:42,244 INFO L226 Difference]: Without dead ends: 309 [2021-11-22 16:04:42,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-11-22 16:04:42,245 INFO L933 BasicCegarLoop]: 361 mSDtfsCounter, 329 mSDsluCounter, 2177 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 2538 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:42,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [329 Valid, 2538 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 16:04:42,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-11-22 16:04:42,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2021-11-22 16:04:42,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 305 states have (on average 1.222950819672131) internal successors, (373), 308 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:42,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 373 transitions. [2021-11-22 16:04:42,285 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 373 transitions. Word has length 46 [2021-11-22 16:04:42,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:42,285 INFO L470 AbstractCegarLoop]: Abstraction has 309 states and 373 transitions. [2021-11-22 16:04:42,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:42,286 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 373 transitions. [2021-11-22 16:04:42,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 16:04:42,287 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:42,287 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:42,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-11-22 16:04:42,288 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:42,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:42,289 INFO L85 PathProgramCache]: Analyzing trace with hash -830353450, now seen corresponding path program 1 times [2021-11-22 16:04:42,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:42,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891844523] [2021-11-22 16:04:42,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:42,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:42,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:42,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:42,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891844523] [2021-11-22 16:04:42,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891844523] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:42,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:42,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:04:42,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126801168] [2021-11-22 16:04:42,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:42,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:04:42,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:42,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:04:42,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:04:42,333 INFO L87 Difference]: Start difference. First operand 309 states and 373 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:42,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:42,460 INFO L93 Difference]: Finished difference Result 313 states and 376 transitions. [2021-11-22 16:04:42,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 16:04:42,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-11-22 16:04:42,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:42,462 INFO L225 Difference]: With dead ends: 313 [2021-11-22 16:04:42,462 INFO L226 Difference]: Without dead ends: 309 [2021-11-22 16:04:42,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:04:42,464 INFO L933 BasicCegarLoop]: 308 mSDtfsCounter, 307 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:42,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [307 Valid, 561 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:04:42,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-11-22 16:04:42,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2021-11-22 16:04:42,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 305 states have (on average 1.219672131147541) internal successors, (372), 308 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:42,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 372 transitions. [2021-11-22 16:04:42,505 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 372 transitions. Word has length 46 [2021-11-22 16:04:42,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:42,505 INFO L470 AbstractCegarLoop]: Abstraction has 309 states and 372 transitions. [2021-11-22 16:04:42,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:42,506 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 372 transitions. [2021-11-22 16:04:42,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 16:04:42,507 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:42,507 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:42,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-11-22 16:04:42,508 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:42,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:42,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1492646382, now seen corresponding path program 1 times [2021-11-22 16:04:42,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:42,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204102737] [2021-11-22 16:04:42,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:42,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:42,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:42,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:42,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204102737] [2021-11-22 16:04:42,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204102737] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:42,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:42,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 16:04:42,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211510155] [2021-11-22 16:04:42,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:42,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:04:42,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:42,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:04:42,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:04:42,594 INFO L87 Difference]: Start difference. First operand 309 states and 372 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:42,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:42,794 INFO L93 Difference]: Finished difference Result 650 states and 777 transitions. [2021-11-22 16:04:42,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:04:42,795 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-22 16:04:42,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:42,797 INFO L225 Difference]: With dead ends: 650 [2021-11-22 16:04:42,798 INFO L226 Difference]: Without dead ends: 575 [2021-11-22 16:04:42,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-22 16:04:42,799 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 379 mSDsluCounter, 1272 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 1591 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:42,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [379 Valid, 1591 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:04:42,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2021-11-22 16:04:42,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 328. [2021-11-22 16:04:42,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 324 states have (on average 1.212962962962963) internal successors, (393), 327 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:42,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 393 transitions. [2021-11-22 16:04:42,854 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 393 transitions. Word has length 47 [2021-11-22 16:04:42,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:42,854 INFO L470 AbstractCegarLoop]: Abstraction has 328 states and 393 transitions. [2021-11-22 16:04:42,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:42,855 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 393 transitions. [2021-11-22 16:04:42,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 16:04:42,857 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:42,857 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:42,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-11-22 16:04:42,857 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:42,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:42,858 INFO L85 PathProgramCache]: Analyzing trace with hash 10229121, now seen corresponding path program 1 times [2021-11-22 16:04:42,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:42,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652346854] [2021-11-22 16:04:42,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:42,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:42,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:42,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:42,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652346854] [2021-11-22 16:04:42,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652346854] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:42,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:42,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-22 16:04:42,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038969163] [2021-11-22 16:04:42,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:42,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-22 16:04:42,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:42,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-22 16:04:42,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-22 16:04:42,996 INFO L87 Difference]: Start difference. First operand 328 states and 393 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:43,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:43,362 INFO L93 Difference]: Finished difference Result 553 states and 658 transitions. [2021-11-22 16:04:43,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 16:04:43,363 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-22 16:04:43,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:43,364 INFO L225 Difference]: With dead ends: 553 [2021-11-22 16:04:43,365 INFO L226 Difference]: Without dead ends: 444 [2021-11-22 16:04:43,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-11-22 16:04:43,368 INFO L933 BasicCegarLoop]: 298 mSDtfsCounter, 347 mSDsluCounter, 1798 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 2096 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:43,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [347 Valid, 2096 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 16:04:43,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2021-11-22 16:04:43,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 336. [2021-11-22 16:04:43,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 332 states have (on average 1.2018072289156627) internal successors, (399), 335 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:43,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 399 transitions. [2021-11-22 16:04:43,424 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 399 transitions. Word has length 47 [2021-11-22 16:04:43,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:43,425 INFO L470 AbstractCegarLoop]: Abstraction has 336 states and 399 transitions. [2021-11-22 16:04:43,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:43,425 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 399 transitions. [2021-11-22 16:04:43,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 16:04:43,426 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:43,427 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:43,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-11-22 16:04:43,427 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:43,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:43,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1904927636, now seen corresponding path program 1 times [2021-11-22 16:04:43,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:43,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42160610] [2021-11-22 16:04:43,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:43,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:04:43,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:04:43,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:04:43,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42160610] [2021-11-22 16:04:43,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42160610] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:04:43,466 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:04:43,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:04:43,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84265024] [2021-11-22 16:04:43,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:04:43,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:04:43,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:04:43,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:04:43,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:43,468 INFO L87 Difference]: Start difference. First operand 336 states and 399 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:43,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:04:43,601 INFO L93 Difference]: Finished difference Result 656 states and 772 transitions. [2021-11-22 16:04:43,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:04:43,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-22 16:04:43,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:04:43,603 INFO L225 Difference]: With dead ends: 656 [2021-11-22 16:04:43,604 INFO L226 Difference]: Without dead ends: 588 [2021-11-22 16:04:43,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:04:43,605 INFO L933 BasicCegarLoop]: 601 mSDtfsCounter, 292 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:04:43,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [292 Valid, 891 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:04:43,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2021-11-22 16:04:43,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 336. [2021-11-22 16:04:43,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 332 states have (on average 1.1957831325301205) internal successors, (397), 335 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:43,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 397 transitions. [2021-11-22 16:04:43,673 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 397 transitions. Word has length 47 [2021-11-22 16:04:43,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:04:43,674 INFO L470 AbstractCegarLoop]: Abstraction has 336 states and 397 transitions. [2021-11-22 16:04:43,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:04:43,674 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 397 transitions. [2021-11-22 16:04:43,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 16:04:43,676 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:04:43,676 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:43,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-11-22 16:04:43,677 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 100 more)] === [2021-11-22 16:04:43,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:04:43,677 INFO L85 PathProgramCache]: Analyzing trace with hash 453492941, now seen corresponding path program 1 times [2021-11-22 16:04:43,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:04:43,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486197452] [2021-11-22 16:04:43,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:04:43,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:04:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:04:43,704 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:04:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:04:43,808 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:04:43,808 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-22 16:04:43,809 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr102ASSERT_VIOLATIONERROR_FUNCTION (102 of 103 remaining) [2021-11-22 16:04:43,817 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (101 of 103 remaining) [2021-11-22 16:04:43,818 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (100 of 103 remaining) [2021-11-22 16:04:43,823 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (99 of 103 remaining) [2021-11-22 16:04:43,823 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (98 of 103 remaining) [2021-11-22 16:04:43,824 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (97 of 103 remaining) [2021-11-22 16:04:43,824 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (96 of 103 remaining) [2021-11-22 16:04:43,824 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (95 of 103 remaining) [2021-11-22 16:04:43,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (94 of 103 remaining) [2021-11-22 16:04:43,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (93 of 103 remaining) [2021-11-22 16:04:43,825 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (92 of 103 remaining) [2021-11-22 16:04:43,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (91 of 103 remaining) [2021-11-22 16:04:43,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (90 of 103 remaining) [2021-11-22 16:04:43,826 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (89 of 103 remaining) [2021-11-22 16:04:43,827 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (88 of 103 remaining) [2021-11-22 16:04:43,827 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (87 of 103 remaining) [2021-11-22 16:04:43,827 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (86 of 103 remaining) [2021-11-22 16:04:43,828 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (85 of 103 remaining) [2021-11-22 16:04:43,828 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (84 of 103 remaining) [2021-11-22 16:04:43,829 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (83 of 103 remaining) [2021-11-22 16:04:43,829 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (82 of 103 remaining) [2021-11-22 16:04:43,829 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (81 of 103 remaining) [2021-11-22 16:04:43,830 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (80 of 103 remaining) [2021-11-22 16:04:43,830 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (79 of 103 remaining) [2021-11-22 16:04:43,830 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (78 of 103 remaining) [2021-11-22 16:04:43,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (77 of 103 remaining) [2021-11-22 16:04:43,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (76 of 103 remaining) [2021-11-22 16:04:43,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (75 of 103 remaining) [2021-11-22 16:04:43,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (74 of 103 remaining) [2021-11-22 16:04:43,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (73 of 103 remaining) [2021-11-22 16:04:43,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (72 of 103 remaining) [2021-11-22 16:04:43,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (71 of 103 remaining) [2021-11-22 16:04:43,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (70 of 103 remaining) [2021-11-22 16:04:43,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (69 of 103 remaining) [2021-11-22 16:04:43,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (68 of 103 remaining) [2021-11-22 16:04:43,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (67 of 103 remaining) [2021-11-22 16:04:43,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (66 of 103 remaining) [2021-11-22 16:04:43,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION (65 of 103 remaining) [2021-11-22 16:04:43,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION (64 of 103 remaining) [2021-11-22 16:04:43,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION (63 of 103 remaining) [2021-11-22 16:04:43,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION (62 of 103 remaining) [2021-11-22 16:04:43,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION (61 of 103 remaining) [2021-11-22 16:04:43,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION (60 of 103 remaining) [2021-11-22 16:04:43,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION (59 of 103 remaining) [2021-11-22 16:04:43,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION (58 of 103 remaining) [2021-11-22 16:04:43,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION (57 of 103 remaining) [2021-11-22 16:04:43,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION (56 of 103 remaining) [2021-11-22 16:04:43,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION (55 of 103 remaining) [2021-11-22 16:04:43,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION (54 of 103 remaining) [2021-11-22 16:04:43,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION (53 of 103 remaining) [2021-11-22 16:04:43,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION (52 of 103 remaining) [2021-11-22 16:04:43,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION (51 of 103 remaining) [2021-11-22 16:04:43,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION (50 of 103 remaining) [2021-11-22 16:04:43,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION (49 of 103 remaining) [2021-11-22 16:04:43,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION (48 of 103 remaining) [2021-11-22 16:04:43,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION (47 of 103 remaining) [2021-11-22 16:04:43,844 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION (46 of 103 remaining) [2021-11-22 16:04:43,844 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION (45 of 103 remaining) [2021-11-22 16:04:43,844 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION (44 of 103 remaining) [2021-11-22 16:04:43,845 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION (43 of 103 remaining) [2021-11-22 16:04:43,845 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION (42 of 103 remaining) [2021-11-22 16:04:43,845 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION (41 of 103 remaining) [2021-11-22 16:04:43,846 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION (40 of 103 remaining) [2021-11-22 16:04:43,846 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION (39 of 103 remaining) [2021-11-22 16:04:43,846 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION (38 of 103 remaining) [2021-11-22 16:04:43,847 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION (37 of 103 remaining) [2021-11-22 16:04:43,847 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION (36 of 103 remaining) [2021-11-22 16:04:43,847 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION (35 of 103 remaining) [2021-11-22 16:04:43,848 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION (34 of 103 remaining) [2021-11-22 16:04:43,848 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION (33 of 103 remaining) [2021-11-22 16:04:43,848 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION (32 of 103 remaining) [2021-11-22 16:04:43,849 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION (31 of 103 remaining) [2021-11-22 16:04:43,849 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION (30 of 103 remaining) [2021-11-22 16:04:43,849 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION (29 of 103 remaining) [2021-11-22 16:04:43,850 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION (28 of 103 remaining) [2021-11-22 16:04:43,850 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION (27 of 103 remaining) [2021-11-22 16:04:43,850 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION (26 of 103 remaining) [2021-11-22 16:04:43,851 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION (25 of 103 remaining) [2021-11-22 16:04:43,851 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION (24 of 103 remaining) [2021-11-22 16:04:43,851 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION (23 of 103 remaining) [2021-11-22 16:04:43,852 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION (22 of 103 remaining) [2021-11-22 16:04:43,852 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION (21 of 103 remaining) [2021-11-22 16:04:43,852 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION (20 of 103 remaining) [2021-11-22 16:04:43,853 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION (19 of 103 remaining) [2021-11-22 16:04:43,853 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION (18 of 103 remaining) [2021-11-22 16:04:43,853 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION (17 of 103 remaining) [2021-11-22 16:04:43,854 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION (16 of 103 remaining) [2021-11-22 16:04:43,855 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION (15 of 103 remaining) [2021-11-22 16:04:43,855 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr87ASSERT_VIOLATIONERROR_FUNCTION (14 of 103 remaining) [2021-11-22 16:04:43,855 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr88ASSERT_VIOLATIONERROR_FUNCTION (13 of 103 remaining) [2021-11-22 16:04:43,856 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr89ASSERT_VIOLATIONERROR_FUNCTION (12 of 103 remaining) [2021-11-22 16:04:43,856 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr90ASSERT_VIOLATIONERROR_FUNCTION (11 of 103 remaining) [2021-11-22 16:04:43,857 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr91ASSERT_VIOLATIONERROR_FUNCTION (10 of 103 remaining) [2021-11-22 16:04:43,857 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr92ASSERT_VIOLATIONERROR_FUNCTION (9 of 103 remaining) [2021-11-22 16:04:43,857 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr93ASSERT_VIOLATIONERROR_FUNCTION (8 of 103 remaining) [2021-11-22 16:04:43,858 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr94ASSERT_VIOLATIONERROR_FUNCTION (7 of 103 remaining) [2021-11-22 16:04:43,858 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr95ASSERT_VIOLATIONERROR_FUNCTION (6 of 103 remaining) [2021-11-22 16:04:43,858 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr96ASSERT_VIOLATIONERROR_FUNCTION (5 of 103 remaining) [2021-11-22 16:04:43,859 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr97ASSERT_VIOLATIONERROR_FUNCTION (4 of 103 remaining) [2021-11-22 16:04:43,859 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr98ASSERT_VIOLATIONERROR_FUNCTION (3 of 103 remaining) [2021-11-22 16:04:43,859 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION (2 of 103 remaining) [2021-11-22 16:04:43,860 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION (1 of 103 remaining) [2021-11-22 16:04:43,860 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (0 of 103 remaining) [2021-11-22 16:04:43,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-11-22 16:04:43,865 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:04:43,874 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 16:04:44,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 04:04:44 BoogieIcfgContainer [2021-11-22 16:04:44,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 16:04:44,030 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 16:04:44,030 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 16:04:44,031 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 16:04:44,031 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:04:23" (3/4) ... [2021-11-22 16:04:44,033 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-22 16:04:44,198 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73af8bb6-1982-4cb8-ade8-2eccf0f6bd96/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 16:04:44,198 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 16:04:44,199 INFO L158 Benchmark]: Toolchain (without parser) took 24594.65ms. Allocated memory was 109.1MB in the beginning and 627.0MB in the end (delta: 518.0MB). Free memory was 65.7MB in the beginning and 505.6MB in the end (delta: -439.9MB). Peak memory consumption was 76.6MB. Max. memory is 16.1GB. [2021-11-22 16:04:44,199 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 16:04:44,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 777.96ms. Allocated memory is still 109.1MB. Free memory was 65.5MB in the beginning and 63.8MB in the end (delta: 1.7MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2021-11-22 16:04:44,200 INFO L158 Benchmark]: Boogie Procedure Inliner took 248.70ms. Allocated memory is still 109.1MB. Free memory was 63.8MB in the beginning and 45.2MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-22 16:04:44,201 INFO L158 Benchmark]: Boogie Preprocessor took 238.06ms. Allocated memory was 109.1MB in the beginning and 151.0MB in the end (delta: 41.9MB). Free memory was 45.2MB in the beginning and 107.3MB in the end (delta: -62.1MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-11-22 16:04:44,209 INFO L158 Benchmark]: RCFGBuilder took 2811.01ms. Allocated memory was 151.0MB in the beginning and 268.4MB in the end (delta: 117.4MB). Free memory was 107.3MB in the beginning and 187.8MB in the end (delta: -80.6MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2021-11-22 16:04:44,209 INFO L158 Benchmark]: TraceAbstraction took 20341.51ms. Allocated memory was 268.4MB in the beginning and 627.0MB in the end (delta: 358.6MB). Free memory was 187.8MB in the beginning and 518.2MB in the end (delta: -330.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-22 16:04:44,211 INFO L158 Benchmark]: Witness Printer took 168.34ms. Allocated memory is still 627.0MB. Free memory was 518.2MB in the beginning and 505.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 16:04:44,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 777.96ms. Allocated memory is still 109.1MB. Free memory was 65.5MB in the beginning and 63.8MB in the end (delta: 1.7MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 248.70ms. Allocated memory is still 109.1MB. Free memory was 63.8MB in the beginning and 45.2MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 238.06ms. Allocated memory was 109.1MB in the beginning and 151.0MB in the end (delta: 41.9MB). Free memory was 45.2MB in the beginning and 107.3MB in the end (delta: -62.1MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2811.01ms. Allocated memory was 151.0MB in the beginning and 268.4MB in the end (delta: 117.4MB). Free memory was 107.3MB in the beginning and 187.8MB in the end (delta: -80.6MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. * TraceAbstraction took 20341.51ms. Allocated memory was 268.4MB in the beginning and 627.0MB in the end (delta: 358.6MB). Free memory was 187.8MB in the beginning and 518.2MB in the end (delta: -330.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 168.34ms. Allocated memory is still 627.0MB. Free memory was 518.2MB in the beginning and 505.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 59]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L32] int s ; [L33] int UNLOADED ; [L34] int NP ; [L35] int DC ; [L36] int SKIP1 ; [L37] int SKIP2 ; [L38] int MPR1 ; [L39] int MPR3 ; [L40] int IPC ; [L41] int pended ; [L42] int compFptr ; [L43] int compRegistered ; [L44] int lowerDriverReturn ; [L45] int setEventCalled ; [L46] int customIrp ; [L47] int routine ; [L48] int myStatus ; [L49] int pirp ; [L50] int Executive ; [L51] int Suspended ; [L52] int KernelMode ; [L53] int DeviceUsageTypePaging ; VAL [compFptr=0, compRegistered=0, customIrp=0, DC=0, DeviceUsageTypePaging=0, Executive=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MPR1=0, MPR3=0, myStatus=0, NP=0, pended=0, pirp=0, routine=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=0] [L1718] int pirp__IoStatus__Status ; [L1719] int d = __VERIFIER_nondet_int() ; [L1720] int status = __VERIFIER_nondet_int() ; [L1721] int irp = __VERIFIER_nondet_int() ; [L1722] int we_should_unload = __VERIFIER_nondet_int() ; [L1723] int irp_choice = __VERIFIER_nondet_int() ; [L1724] int devobj = __VERIFIER_nondet_int() ; [L1725] int __cil_tmp9 ; [L1730] s = 0 [L1731] UNLOADED = 0 [L1732] NP = 0 [L1733] DC = 0 [L1734] SKIP1 = 0 [L1735] SKIP2 = 0 [L1736] MPR1 = 0 [L1737] MPR3 = 0 [L1738] IPC = 0 [L1739] pended = 0 [L1740] compFptr = 0 [L1741] compRegistered = 0 [L1742] lowerDriverReturn = 0 [L1743] setEventCalled = 0 [L1744] customIrp = 0 [L1745] routine = 0 [L1746] myStatus = 0 [L1747] pirp = 0 [L1748] Executive = 0 [L1749] Suspended = 5 [L1750] KernelMode = 0 [L1751] DeviceUsageTypePaging = 1 [L1754] pirp = irp [L1755] CALL _BLAST_init() [L67] UNLOADED = 0 [L68] NP = 1 [L69] DC = 2 [L70] SKIP1 = 3 [L71] SKIP2 = 4 [L72] MPR1 = 5 [L73] MPR3 = 6 [L74] IPC = 7 [L75] s = UNLOADED [L76] pended = 0 [L77] compFptr = 0 [L78] compRegistered = 0 [L79] lowerDriverReturn = 0 [L80] setEventCalled = 0 [L81] customIrp = 0 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=0, routine=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1755] RET _BLAST_init() [L1757] COND TRUE status >= 0 [L1758] s = NP [L1759] customIrp = 0 [L1760] setEventCalled = customIrp [L1761] lowerDriverReturn = setEventCalled [L1762] compRegistered = lowerDriverReturn [L1763] compFptr = compRegistered [L1764] pended = compFptr [L1765] pirp__IoStatus__Status = 0 [L1766] myStatus = 0 VAL [compFptr=0, compRegistered=0, customIrp=0, d=0, DC=2, DeviceUsageTypePaging=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=5, UNLOADED=0, we_should_unload=0] [L1767] COND TRUE irp_choice == 0 [L1768] pirp__IoStatus__Status = -1073741637 [L1769] myStatus = -1073741637 VAL [compFptr=0, compRegistered=0, customIrp=0, d=0, DC=2, DeviceUsageTypePaging=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=5, UNLOADED=0, we_should_unload=0] [L1772] CALL stub_driver_init() [L1707] s = NP [L1708] customIrp = 0 [L1709] setEventCalled = customIrp [L1710] lowerDriverReturn = setEventCalled [L1711] compRegistered = lowerDriverReturn [L1712] compFptr = compRegistered [L1713] pended = compFptr VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1772] RET stub_driver_init() [L1775] COND FALSE !(status < 0) [L1779] int tmp_ndt_1; [L1780] tmp_ndt_1 = __VERIFIER_nondet_int() [L1781] COND TRUE tmp_ndt_1 == 2 VAL [compFptr=0, compRegistered=0, customIrp=0, d=0, DC=2, DeviceUsageTypePaging=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, pirp__IoStatus__Status=-1073741637, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=5, tmp_ndt_1=2, UNLOADED=0, we_should_unload=0] [L1798] CALL, EXPR CdAudioDeviceControl(devobj, pirp) [L313] int deviceExtension__Active = __VERIFIER_nondet_int() ; [L314] int status ; VAL [\old(DeviceObject)=0, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, deviceExtension__Active=7, DeviceObject=0, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L317] COND FALSE !(deviceExtension__Active == 2) VAL [\old(DeviceObject)=0, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, deviceExtension__Active=7, DeviceObject=0, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L320] COND FALSE !(deviceExtension__Active == 3) VAL [\old(DeviceObject)=0, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, deviceExtension__Active=7, DeviceObject=0, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L323] COND FALSE !(deviceExtension__Active == 1) VAL [\old(DeviceObject)=0, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, deviceExtension__Active=7, DeviceObject=0, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L326] COND TRUE deviceExtension__Active == 7 VAL [\old(DeviceObject)=0, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, deviceExtension__Active=7, DeviceObject=0, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L348] CALL, EXPR CdAudioHPCdrDeviceControl(DeviceObject, Irp) [L1591] int currentIrpStack__Parameters__DeviceIoControl__IoControlCode = __VERIFIER_nondet_int() ; [L1592] int deviceExtension__TargetDeviceObject = __VERIFIER_nondet_int() ; [L1593] int irpSp__Control ; [L1594] int tmp ; [L1595] int tmp___0 ; [L1596] int __cil_tmp8 ; [L1597] int __cil_tmp9 ; [L1598] int __cil_tmp10 ; [L1599] int __cil_tmp11 ; [L1600] int __cil_tmp12 ; [L1604] __cil_tmp8 = 56 [L1605] __cil_tmp9 = 16384 [L1606] __cil_tmp10 = 131072 [L1607] __cil_tmp11 = 147456 [L1608] __cil_tmp12 = 147512 VAL [\old(DeviceObject)=0, \old(Irp)=0, __cil_tmp10=131072, __cil_tmp11=147456, __cil_tmp12=147512, __cil_tmp8=56, __cil_tmp9=16384, compFptr=0, compRegistered=0, currentIrpStack__Parameters__DeviceIoControl__IoControlCode=147512, customIrp=0, DC=2, deviceExtension__TargetDeviceObject=-1, DeviceObject=0, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1609] COND TRUE currentIrpStack__Parameters__DeviceIoControl__IoControlCode == __cil_tmp12 VAL [\old(DeviceObject)=0, \old(Irp)=0, __cil_tmp10=131072, __cil_tmp11=147456, __cil_tmp12=147512, __cil_tmp8=56, __cil_tmp9=16384, compFptr=0, compRegistered=0, currentIrpStack__Parameters__DeviceIoControl__IoControlCode=147512, customIrp=0, DC=2, deviceExtension__TargetDeviceObject=-1, DeviceObject=0, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1610] COND FALSE !(s != NP) VAL [\old(DeviceObject)=0, \old(Irp)=0, __cil_tmp10=131072, __cil_tmp11=147456, __cil_tmp12=147512, __cil_tmp8=56, __cil_tmp9=16384, compFptr=0, compRegistered=0, currentIrpStack__Parameters__DeviceIoControl__IoControlCode=147512, customIrp=0, DC=2, deviceExtension__TargetDeviceObject=-1, DeviceObject=0, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1615] COND FALSE !(compRegistered != 0) [L1620] compRegistered = 1 [L1621] routine = 0 VAL [\old(DeviceObject)=0, \old(Irp)=0, __cil_tmp10=131072, __cil_tmp11=147456, __cil_tmp12=147512, __cil_tmp8=56, __cil_tmp9=16384, compFptr=0, compRegistered=1, currentIrpStack__Parameters__DeviceIoControl__IoControlCode=147512, customIrp=0, DC=2, deviceExtension__TargetDeviceObject=-1, DeviceObject=0, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1625] irpSp__Control = 224 [L1626] CALL, EXPR IofCallDriver(deviceExtension__TargetDeviceObject, Irp) [L1900] int Irp__PendingReturned = __VERIFIER_nondet_int() ; [L1901] int returnVal2 ; [L1902] int compRetStatus ; [L1903] int lcontext = __VERIFIER_nondet_int() ; [L1904] unsigned long __cil_tmp8 ; VAL [\old(DeviceObject)=-1, \old(Irp)=0, compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceObject=-1, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__PendingReturned=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1907] COND TRUE \read(compRegistered) VAL [\old(DeviceObject)=-1, \old(Irp)=0, compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceObject=-1, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__PendingReturned=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1908] COND TRUE routine == 0 [L1910] CALL, EXPR HPCdrCompletion(DeviceObject, Irp, lcontext) [L1569] int Irp__PendingReturned = __VERIFIER_nondet_int() ; [L1570] int Irp__AssociatedIrp__SystemBuffer = __VERIFIER_nondet_int() ; [L1573] COND TRUE \read(Irp__PendingReturned) VAL [\old(Context)=0, \old(DeviceObject)=-1, \old(Irp)=0, compFptr=0, compRegistered=1, Context=0, customIrp=0, DC=2, DeviceObject=-1, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__AssociatedIrp__SystemBuffer=0, Irp__PendingReturned=1, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1574] COND TRUE pended == 0 [L1575] pended = 1 VAL [\old(Context)=0, \old(DeviceObject)=-1, \old(Irp)=0, compFptr=0, compRegistered=1, Context=0, customIrp=0, DC=2, DeviceObject=-1, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__AssociatedIrp__SystemBuffer=0, Irp__PendingReturned=1, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1582] COND FALSE !(myStatus >= 0) VAL [\old(Context)=0, \old(DeviceObject)=-1, \old(Irp)=0, compFptr=0, compRegistered=1, Context=0, customIrp=0, DC=2, DeviceObject=-1, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__AssociatedIrp__SystemBuffer=0, Irp__PendingReturned=1, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1587] return (myStatus); VAL [\old(Context)=0, \old(DeviceObject)=-1, \old(Irp)=0, \result=-1073741637, compFptr=0, compRegistered=1, Context=0, customIrp=0, DC=2, DeviceObject=-1, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__AssociatedIrp__SystemBuffer=0, Irp__PendingReturned=1, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1910] RET, EXPR HPCdrCompletion(DeviceObject, Irp, lcontext) [L1910] compRetStatus = HPCdrCompletion(DeviceObject, Irp, lcontext) [L1920] __cil_tmp8 = (unsigned long )compRetStatus VAL [\old(DeviceObject)=-1, \old(Irp)=0, __cil_tmp8=3221225659, compFptr=0, compRegistered=1, compRetStatus=-1073741637, customIrp=0, DC=2, DeviceObject=-1, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__PendingReturned=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1921] COND FALSE !(__cil_tmp8 == -1073741802) VAL [\old(DeviceObject)=-1, \old(Irp)=0, __cil_tmp8=3221225659, compFptr=0, compRegistered=1, compRetStatus=-1073741637, customIrp=0, DC=2, DeviceObject=-1, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__PendingReturned=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] [L1928] COND FALSE !(\read(Irp__PendingReturned)) [L1931] int tmp_ndt_4; [L1932] tmp_ndt_4 = __VERIFIER_nondet_int() [L1933] COND TRUE tmp_ndt_4 == 0 VAL [\old(DeviceObject)=-1, \old(Irp)=0, __cil_tmp8=3221225659, compFptr=0, compRegistered=1, compRetStatus=-1073741637, customIrp=0, DC=2, DeviceObject=-1, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__PendingReturned=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, tmp_ndt_4=0, UNLOADED=0] [L1944] returnVal2 = 0 VAL [\old(DeviceObject)=-1, \old(Irp)=0, __cil_tmp8=3221225659, compFptr=0, compRegistered=1, compRetStatus=-1073741637, customIrp=0, DC=2, DeviceObject=-1, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__PendingReturned=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, returnVal2=0, routine=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, tmp_ndt_4=0, UNLOADED=0] [L1958] COND TRUE s == NP [L1959] s = IPC [L1960] lowerDriverReturn = returnVal2 VAL [\old(DeviceObject)=-1, \old(Irp)=0, __cil_tmp8=3221225659, compFptr=0, compRegistered=1, compRetStatus=-1073741637, customIrp=0, DC=2, DeviceObject=-1, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__PendingReturned=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, returnVal2=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, tmp_ndt_4=0, UNLOADED=0] [L1981] return (returnVal2); VAL [\old(DeviceObject)=-1, \old(Irp)=0, \result=0, __cil_tmp8=3221225659, compFptr=0, compRegistered=1, compRetStatus=-1073741637, customIrp=0, DC=2, DeviceObject=-1, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, Irp__PendingReturned=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, returnVal2=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, tmp_ndt_4=0, UNLOADED=0] [L1626] RET, EXPR IofCallDriver(deviceExtension__TargetDeviceObject, Irp) [L1626] tmp = IofCallDriver(deviceExtension__TargetDeviceObject, Irp) [L1628] return (tmp); VAL [\old(DeviceObject)=0, \old(Irp)=0, \result=0, __cil_tmp10=131072, __cil_tmp11=147456, __cil_tmp12=147512, __cil_tmp8=56, __cil_tmp9=16384, compFptr=0, compRegistered=1, currentIrpStack__Parameters__DeviceIoControl__IoControlCode=147512, customIrp=0, DC=2, deviceExtension__TargetDeviceObject=-1, DeviceObject=0, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, irpSp__Control=224, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, tmp=0, UNLOADED=0] [L348] RET, EXPR CdAudioHPCdrDeviceControl(DeviceObject, Irp) [L348] status = CdAudioHPCdrDeviceControl(DeviceObject, Irp) [L363] return (status); VAL [\old(DeviceObject)=0, \old(Irp)=0, \result=0, compFptr=0, compRegistered=1, customIrp=0, DC=2, deviceExtension__Active=7, DeviceObject=0, DeviceUsageTypePaging=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=5, UNLOADED=0] [L1798] RET, EXPR CdAudioDeviceControl(devobj, pirp) [L1798] status = CdAudioDeviceControl(devobj, pirp) [L1819] COND FALSE !(\read(we_should_unload)) VAL [compFptr=0, compRegistered=1, customIrp=0, d=0, DC=2, DeviceUsageTypePaging=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=5, tmp_ndt_1=2, UNLOADED=0, we_should_unload=0] [L1825] COND TRUE pended == 1 VAL [compFptr=0, compRegistered=1, customIrp=0, d=0, DC=2, DeviceUsageTypePaging=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=5, tmp_ndt_1=2, UNLOADED=0, we_should_unload=0] [L1826] COND FALSE !(s == NP) VAL [compFptr=0, compRegistered=1, customIrp=0, d=0, DC=2, DeviceUsageTypePaging=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=5, tmp_ndt_1=2, UNLOADED=0, we_should_unload=0] [L1833] COND TRUE pended == 1 VAL [compFptr=0, compRegistered=1, customIrp=0, d=0, DC=2, DeviceUsageTypePaging=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=5, tmp_ndt_1=2, UNLOADED=0, we_should_unload=0] [L1834] COND FALSE !(s == MPR3) VAL [compFptr=0, compRegistered=1, customIrp=0, d=0, DC=2, DeviceUsageTypePaging=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=5, tmp_ndt_1=2, UNLOADED=0, we_should_unload=0] [L1841] COND TRUE s != UNLOADED VAL [compFptr=0, compRegistered=1, customIrp=0, d=0, DC=2, DeviceUsageTypePaging=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=5, tmp_ndt_1=2, UNLOADED=0, we_should_unload=0] [L1842] COND TRUE status != -1 VAL [compFptr=0, compRegistered=1, customIrp=0, d=0, DC=2, DeviceUsageTypePaging=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=5, tmp_ndt_1=2, UNLOADED=0, we_should_unload=0] [L1843] COND TRUE s != SKIP2 VAL [compFptr=0, compRegistered=1, customIrp=0, d=0, DC=2, DeviceUsageTypePaging=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=5, tmp_ndt_1=2, UNLOADED=0, we_should_unload=0] [L1844] COND FALSE !(s != IPC) VAL [compFptr=0, compRegistered=1, customIrp=0, d=0, DC=2, DeviceUsageTypePaging=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=5, tmp_ndt_1=2, UNLOADED=0, we_should_unload=0] [L1857] COND FALSE !(pended != 1) VAL [compFptr=0, compRegistered=1, customIrp=0, d=0, DC=2, DeviceUsageTypePaging=1, devobj=0, Executive=0, IPC=7, irp=0, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, pirp__IoStatus__Status=-1073741637, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, Suspended=5, tmp_ndt_1=2, UNLOADED=0, we_should_unload=0] [L1869] COND TRUE status != 259 [L1871] CALL errorFn() [L59] reach_error() VAL [compFptr=0, compRegistered=1, customIrp=0, DC=2, DeviceUsageTypePaging=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=1, pirp=0, routine=0, s=7, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=5, UNLOADED=0] - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1315 locations, 103 error locations. Started 1 CEGAR loops. OverallTime: 20.1s, OverallIterations: 54, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 12.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20792 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20792 mSDsluCounter, 157161 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 109254 mSDsCounter, 891 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6935 IncrementalHoareTripleChecker+Invalid, 7826 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 891 mSolverCounterUnsat, 47907 mSDtfsCounter, 6935 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 377 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 269 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1315occurred in iteration=0, InterpolantAutomatonStates: 272, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 53 MinimizatonAttempts, 2344 StatesRemovedByMinimization, 38 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1936 NumberOfCodeBlocks, 1936 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 1834 ConstructedInterpolants, 0 QuantifiedInterpolants, 5273 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 53 InterpolantComputations, 53 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-22 16:04:44,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73af8bb6-1982-4cb8-ade8-2eccf0f6bd96/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE