./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5b36d44f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 64bit --witnessprinter.graph.data.programhash c454dc64a3cc485840c6830ce9e1c132fc674b92d2da550d28087d832958d75f --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 15:55:47,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 15:55:47,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 15:55:47,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 15:55:47,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 15:55:47,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 15:55:47,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 15:55:47,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 15:55:47,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 15:55:47,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 15:55:47,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 15:55:47,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 15:55:47,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 15:55:47,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 15:55:47,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 15:55:47,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 15:55:47,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 15:55:47,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 15:55:47,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 15:55:47,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 15:55:47,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 15:55:47,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 15:55:47,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 15:55:47,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 15:55:47,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 15:55:47,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 15:55:47,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 15:55:47,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 15:55:47,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 15:55:47,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 15:55:47,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 15:55:47,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 15:55:47,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 15:55:47,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 15:55:47,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 15:55:47,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 15:55:47,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 15:55:47,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 15:55:47,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 15:55:47,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 15:55:47,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 15:55:47,264 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 15:55:47,285 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 15:55:47,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 15:55:47,285 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 15:55:47,286 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 15:55:47,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 15:55:47,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 15:55:47,287 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 15:55:47,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 15:55:47,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 15:55:47,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 15:55:47,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 15:55:47,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 15:55:47,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 15:55:47,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 15:55:47,288 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 15:55:47,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 15:55:47,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 15:55:47,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 15:55:47,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 15:55:47,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 15:55:47,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 15:55:47,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 15:55:47,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 15:55:47,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 15:55:47,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 15:55:47,290 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 15:55:47,290 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 15:55:47,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 15:55:47,290 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 15:55:47,290 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c454dc64a3cc485840c6830ce9e1c132fc674b92d2da550d28087d832958d75f [2021-11-07 15:55:47,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 15:55:47,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 15:55:47,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 15:55:47,502 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 15:55:47,504 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 15:55:47,505 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point.cil.out.i [2021-11-07 15:55:47,559 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82f2c2d11/4b431dc15c7a4fd993445227396cb3ac/FLAGffd6af100 [2021-11-07 15:55:48,230 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 15:55:48,231 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point.cil.out.i [2021-11-07 15:55:48,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82f2c2d11/4b431dc15c7a4fd993445227396cb3ac/FLAGffd6af100 [2021-11-07 15:55:48,585 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82f2c2d11/4b431dc15c7a4fd993445227396cb3ac [2021-11-07 15:55:48,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 15:55:48,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 15:55:48,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 15:55:48,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 15:55:48,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 15:55:48,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:55:48" (1/1) ... [2021-11-07 15:55:48,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4602b4c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:48, skipping insertion in model container [2021-11-07 15:55:48,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:55:48" (1/1) ... [2021-11-07 15:55:48,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 15:55:48,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 15:55:50,134 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point.cil.out.i[301264,301277] [2021-11-07 15:55:50,172 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-07 15:55:50,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 15:55:50,214 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 15:55:50,452 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point.cil.out.i[301264,301277] [2021-11-07 15:55:50,456 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-07 15:55:50,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 15:55:50,530 INFO L208 MainTranslator]: Completed translation [2021-11-07 15:55:50,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:50 WrapperNode [2021-11-07 15:55:50,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 15:55:50,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 15:55:50,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 15:55:50,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 15:55:50,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:50" (1/1) ... [2021-11-07 15:55:50,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:50" (1/1) ... [2021-11-07 15:55:51,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 15:55:51,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 15:55:51,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 15:55:51,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 15:55:51,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:50" (1/1) ... [2021-11-07 15:55:51,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:50" (1/1) ... [2021-11-07 15:55:51,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:50" (1/1) ... [2021-11-07 15:55:51,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:50" (1/1) ... [2021-11-07 15:55:52,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:50" (1/1) ... [2021-11-07 15:55:52,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:50" (1/1) ... [2021-11-07 15:55:52,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:50" (1/1) ... [2021-11-07 15:55:52,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 15:55:52,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 15:55:52,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 15:55:52,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 15:55:52,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:50" (1/1) ... [2021-11-07 15:55:52,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 15:55:52,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 15:55:52,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 15:55:52,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 15:55:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 15:55:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 15:55:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 15:55:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 15:55:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-07 15:55:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 15:55:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 15:55:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-07 15:55:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 15:55:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 15:55:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 15:55:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 15:55:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 15:55:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 15:55:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 15:55:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 15:55:52,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 15:57:27,289 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 15:57:27,290 INFO L299 CfgBuilder]: Removed 8335 assume(true) statements. [2021-11-07 15:57:27,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:57:27 BoogieIcfgContainer [2021-11-07 15:57:27,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 15:57:27,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 15:57:27,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 15:57:27,300 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 15:57:27,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:55:48" (1/3) ... [2021-11-07 15:57:27,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@459efaad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:57:27, skipping insertion in model container [2021-11-07 15:57:27,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:50" (2/3) ... [2021-11-07 15:57:27,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@459efaad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:57:27, skipping insertion in model container [2021-11-07 15:57:27,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:57:27" (3/3) ... [2021-11-07 15:57:27,302 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--ali-ircc.ko-entry_point.cil.out.i [2021-11-07 15:57:27,306 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 15:57:27,306 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-07 15:57:27,365 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 15:57:27,369 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 [2021-11-07 15:57:27,370 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-11-07 15:57:27,457 INFO L276 IsEmpty]: Start isEmpty. Operand has 5923 states, 5912 states have (on average 1.3284844384303112) internal successors, (7854), 5922 states have internal predecessors, (7854), 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) [2021-11-07 15:57:27,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-07 15:57:27,486 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:57:27,487 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:57:27,488 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 15:57:27,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:57:27,492 INFO L85 PathProgramCache]: Analyzing trace with hash -502711474, now seen corresponding path program 1 times [2021-11-07 15:57:27,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:57:27,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464276680] [2021-11-07 15:57:27,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:57:27,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:57:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:57:28,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:57:28,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:57:28,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464276680] [2021-11-07 15:57:28,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464276680] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:57:28,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:57:28,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:57:28,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826037247] [2021-11-07 15:57:28,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:57:28,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 15:57:28,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:57:28,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 15:57:28,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 15:57:28,240 INFO L87 Difference]: Start difference. First operand has 5923 states, 5912 states have (on average 1.3284844384303112) internal successors, (7854), 5922 states have internal predecessors, (7854), 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 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 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) [2021-11-07 15:57:28,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:57:28,505 INFO L93 Difference]: Finished difference Result 11842 states and 15703 transitions. [2021-11-07 15:57:28,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 15:57:28,507 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 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 83 [2021-11-07 15:57:28,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:57:28,542 INFO L225 Difference]: With dead ends: 11842 [2021-11-07 15:57:28,543 INFO L226 Difference]: Without dead ends: 5887 [2021-11-07 15:57:28,562 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 15:57:28,567 INFO L933 BasicCegarLoop]: 7823 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7823 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 36.68ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-07 15:57:28,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 7823 Invalid, 0 Unknown, 0 Unchecked, 36.68ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-07 15:57:28,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5887 states. [2021-11-07 15:57:28,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5887 to 5887. [2021-11-07 15:57:28,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5887 states, 5877 states have (on average 1.3221031138335886) internal successors, (7770), 5886 states have internal predecessors, (7770), 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) [2021-11-07 15:57:28,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5887 states to 5887 states and 7770 transitions. [2021-11-07 15:57:28,736 INFO L78 Accepts]: Start accepts. Automaton has 5887 states and 7770 transitions. Word has length 83 [2021-11-07 15:57:28,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:57:28,737 INFO L470 AbstractCegarLoop]: Abstraction has 5887 states and 7770 transitions. [2021-11-07 15:57:28,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.5) internal successors, (83), 2 states have internal predecessors, (83), 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) [2021-11-07 15:57:28,738 INFO L276 IsEmpty]: Start isEmpty. Operand 5887 states and 7770 transitions. [2021-11-07 15:57:28,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-07 15:57:28,748 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:57:28,749 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:57:28,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 15:57:28,749 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 15:57:28,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:57:28,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1603257414, now seen corresponding path program 1 times [2021-11-07 15:57:28,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:57:28,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431828797] [2021-11-07 15:57:28,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:57:28,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:57:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:57:29,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:57:29,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:57:29,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431828797] [2021-11-07 15:57:29,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431828797] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:57:29,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:57:29,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:57:29,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384802834] [2021-11-07 15:57:29,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:57:29,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 15:57:29,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:57:29,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 15:57:29,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 15:57:29,242 INFO L87 Difference]: Start difference. First operand 5887 states and 7770 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 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) [2021-11-07 15:57:30,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:57:30,488 INFO L93 Difference]: Finished difference Result 21645 states and 28520 transitions. [2021-11-07 15:57:30,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 15:57:30,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 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 83 [2021-11-07 15:57:30,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:57:30,542 INFO L225 Difference]: With dead ends: 21645 [2021-11-07 15:57:30,544 INFO L226 Difference]: Without dead ends: 15786 [2021-11-07 15:57:30,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 111.53ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:57:30,560 INFO L933 BasicCegarLoop]: 14107 mSDtfsCounter, 9811 mSDsluCounter, 15541 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 591.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9811 SdHoareTripleChecker+Valid, 29648 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 42.86ms SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 624.33ms IncrementalHoareTripleChecker+Time [2021-11-07 15:57:30,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9811 Valid, 29648 Invalid, 119 Unknown, 0 Unchecked, 42.86ms Time], IncrementalHoareTripleChecker [25 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 624.33ms Time] [2021-11-07 15:57:30,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15786 states. [2021-11-07 15:57:30,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15786 to 8322. [2021-11-07 15:57:30,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8322 states, 8312 states have (on average 1.3177333974975938) internal successors, (10953), 8321 states have internal predecessors, (10953), 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) [2021-11-07 15:57:30,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8322 states to 8322 states and 10953 transitions. [2021-11-07 15:57:30,801 INFO L78 Accepts]: Start accepts. Automaton has 8322 states and 10953 transitions. Word has length 83 [2021-11-07 15:57:30,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:57:30,803 INFO L470 AbstractCegarLoop]: Abstraction has 8322 states and 10953 transitions. [2021-11-07 15:57:30,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 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) [2021-11-07 15:57:30,804 INFO L276 IsEmpty]: Start isEmpty. Operand 8322 states and 10953 transitions. [2021-11-07 15:57:30,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-07 15:57:30,815 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:57:30,816 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:57:30,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 15:57:30,816 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 15:57:30,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:57:30,821 INFO L85 PathProgramCache]: Analyzing trace with hash 14418605, now seen corresponding path program 1 times [2021-11-07 15:57:30,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:57:30,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324388432] [2021-11-07 15:57:30,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:57:30,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:57:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:57:31,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:57:31,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:57:31,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324388432] [2021-11-07 15:57:31,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324388432] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:57:31,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:57:31,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:57:31,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145971594] [2021-11-07 15:57:31,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:57:31,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 15:57:31,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:57:31,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 15:57:31,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 15:57:31,255 INFO L87 Difference]: Start difference. First operand 8322 states and 10953 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2021-11-07 15:57:32,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:57:32,367 INFO L93 Difference]: Finished difference Result 33824 states and 44445 transitions. [2021-11-07 15:57:32,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 15:57:32,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 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 84 [2021-11-07 15:57:32,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:57:32,454 INFO L225 Difference]: With dead ends: 33824 [2021-11-07 15:57:32,454 INFO L226 Difference]: Without dead ends: 25530 [2021-11-07 15:57:32,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 113.50ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:57:32,481 INFO L933 BasicCegarLoop]: 10929 mSDtfsCounter, 13003 mSDsluCounter, 15449 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 498.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13003 SdHoareTripleChecker+Valid, 26378 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 41.62ms SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 529.68ms IncrementalHoareTripleChecker+Time [2021-11-07 15:57:32,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13003 Valid, 26378 Invalid, 109 Unknown, 0 Unchecked, 41.62ms Time], IncrementalHoareTripleChecker [34 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 529.68ms Time] [2021-11-07 15:57:32,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25530 states. [2021-11-07 15:57:32,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25530 to 15744. [2021-11-07 15:57:32,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15744 states, 15734 states have (on average 1.3163213423160036) internal successors, (20711), 15743 states have internal predecessors, (20711), 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) [2021-11-07 15:57:32,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15744 states to 15744 states and 20711 transitions. [2021-11-07 15:57:32,914 INFO L78 Accepts]: Start accepts. Automaton has 15744 states and 20711 transitions. Word has length 84 [2021-11-07 15:57:32,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:57:32,916 INFO L470 AbstractCegarLoop]: Abstraction has 15744 states and 20711 transitions. [2021-11-07 15:57:32,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2021-11-07 15:57:32,916 INFO L276 IsEmpty]: Start isEmpty. Operand 15744 states and 20711 transitions. [2021-11-07 15:57:32,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-07 15:57:32,928 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:57:32,928 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:57:32,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 15:57:32,929 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 15:57:32,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:57:32,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1227623781, now seen corresponding path program 1 times [2021-11-07 15:57:32,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:57:32,930 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400030444] [2021-11-07 15:57:32,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:57:32,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:57:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:57:33,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:57:33,446 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:57:33,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400030444] [2021-11-07 15:57:33,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400030444] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:57:33,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:57:33,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:57:33,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980343859] [2021-11-07 15:57:33,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:57:33,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 15:57:33,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:57:33,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 15:57:33,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 15:57:33,447 INFO L87 Difference]: Start difference. First operand 15744 states and 20711 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 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) [2021-11-07 15:57:34,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:57:34,709 INFO L93 Difference]: Finished difference Result 65002 states and 85343 transitions. [2021-11-07 15:57:34,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 15:57:34,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 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 85 [2021-11-07 15:57:34,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:57:34,848 INFO L225 Difference]: With dead ends: 65002 [2021-11-07 15:57:34,848 INFO L226 Difference]: Without dead ends: 49286 [2021-11-07 15:57:34,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 111.53ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:57:34,895 INFO L933 BasicCegarLoop]: 10923 mSDtfsCounter, 13026 mSDsluCounter, 15449 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 492.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13026 SdHoareTripleChecker+Valid, 26372 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.34ms SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 522.92ms IncrementalHoareTripleChecker+Time [2021-11-07 15:57:34,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13026 Valid, 26372 Invalid, 109 Unknown, 0 Unchecked, 26.34ms Time], IncrementalHoareTripleChecker [34 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 522.92ms Time] [2021-11-07 15:57:34,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49286 states. [2021-11-07 15:57:35,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49286 to 29745. [2021-11-07 15:57:35,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29745 states, 29735 states have (on average 1.3147469312258282) internal successors, (39094), 29744 states have internal predecessors, (39094), 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) [2021-11-07 15:57:35,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29745 states to 29745 states and 39094 transitions. [2021-11-07 15:57:35,860 INFO L78 Accepts]: Start accepts. Automaton has 29745 states and 39094 transitions. Word has length 85 [2021-11-07 15:57:35,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:57:35,860 INFO L470 AbstractCegarLoop]: Abstraction has 29745 states and 39094 transitions. [2021-11-07 15:57:35,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 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) [2021-11-07 15:57:35,861 INFO L276 IsEmpty]: Start isEmpty. Operand 29745 states and 39094 transitions. [2021-11-07 15:57:35,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-07 15:57:35,876 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:57:35,876 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:57:35,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 15:57:35,876 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 15:57:35,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:57:35,877 INFO L85 PathProgramCache]: Analyzing trace with hash 954491686, now seen corresponding path program 1 times [2021-11-07 15:57:35,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:57:35,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834832109] [2021-11-07 15:57:35,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:57:35,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:57:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:57:36,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:57:36,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:57:36,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834832109] [2021-11-07 15:57:36,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834832109] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:57:36,275 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:57:36,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:57:36,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468068420] [2021-11-07 15:57:36,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:57:36,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 15:57:36,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:57:36,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 15:57:36,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 15:57:36,276 INFO L87 Difference]: Start difference. First operand 29745 states and 39094 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 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) [2021-11-07 15:57:38,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:57:38,631 INFO L93 Difference]: Finished difference Result 124825 states and 163712 transitions. [2021-11-07 15:57:38,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 15:57:38,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 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 86 [2021-11-07 15:57:38,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:57:38,850 INFO L225 Difference]: With dead ends: 124825 [2021-11-07 15:57:38,850 INFO L226 Difference]: Without dead ends: 95108 [2021-11-07 15:57:38,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 111.80ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:57:38,921 INFO L933 BasicCegarLoop]: 10917 mSDtfsCounter, 13049 mSDsluCounter, 15449 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 546.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13049 SdHoareTripleChecker+Valid, 26366 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.78ms SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 583.94ms IncrementalHoareTripleChecker+Time [2021-11-07 15:57:38,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13049 Valid, 26366 Invalid, 109 Unknown, 0 Unchecked, 22.78ms Time], IncrementalHoareTripleChecker [34 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 583.94ms Time] [2021-11-07 15:57:39,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95108 states. [2021-11-07 15:57:40,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95108 to 56058. [2021-11-07 15:57:40,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56058 states, 56048 states have (on average 1.3129460462460747) internal successors, (73588), 56057 states have internal predecessors, (73588), 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) [2021-11-07 15:57:40,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56058 states to 56058 states and 73588 transitions. [2021-11-07 15:57:40,893 INFO L78 Accepts]: Start accepts. Automaton has 56058 states and 73588 transitions. Word has length 86 [2021-11-07 15:57:40,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:57:40,894 INFO L470 AbstractCegarLoop]: Abstraction has 56058 states and 73588 transitions. [2021-11-07 15:57:40,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 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) [2021-11-07 15:57:40,894 INFO L276 IsEmpty]: Start isEmpty. Operand 56058 states and 73588 transitions. [2021-11-07 15:57:40,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-07 15:57:40,907 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:57:40,908 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:57:40,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 15:57:40,908 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 15:57:40,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:57:40,909 INFO L85 PathProgramCache]: Analyzing trace with hash 576370686, now seen corresponding path program 1 times [2021-11-07 15:57:40,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:57:40,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918408980] [2021-11-07 15:57:40,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:57:40,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:57:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:57:41,493 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 15:57:41,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:57:41,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918408980] [2021-11-07 15:57:41,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918408980] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:57:41,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:57:41,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 15:57:41,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150455352] [2021-11-07 15:57:41,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:57:41,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 15:57:41,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:57:41,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 15:57:41,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 15:57:41,495 INFO L87 Difference]: Start difference. First operand 56058 states and 73588 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 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) [2021-11-07 15:57:45,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:57:45,318 INFO L93 Difference]: Finished difference Result 180882 states and 237208 transitions. [2021-11-07 15:57:45,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 15:57:45,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 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 91 [2021-11-07 15:57:45,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:57:45,652 INFO L225 Difference]: With dead ends: 180882 [2021-11-07 15:57:45,652 INFO L226 Difference]: Without dead ends: 124852 [2021-11-07 15:57:45,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 281.33ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 15:57:45,734 INFO L933 BasicCegarLoop]: 14366 mSDtfsCounter, 19344 mSDsluCounter, 33179 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 986.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19344 SdHoareTripleChecker+Valid, 47545 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 35.84ms SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1030.96ms IncrementalHoareTripleChecker+Time [2021-11-07 15:57:45,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19344 Valid, 47545 Invalid, 205 Unknown, 0 Unchecked, 35.84ms Time], IncrementalHoareTripleChecker [48 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 1030.96ms Time] [2021-11-07 15:57:45,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124852 states. [2021-11-07 15:57:47,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124852 to 56098. [2021-11-07 15:57:47,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56098 states, 56088 states have (on average 1.312722864070746) internal successors, (73628), 56097 states have internal predecessors, (73628), 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) [2021-11-07 15:57:47,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56098 states to 56098 states and 73628 transitions. [2021-11-07 15:57:47,891 INFO L78 Accepts]: Start accepts. Automaton has 56098 states and 73628 transitions. Word has length 91 [2021-11-07 15:57:47,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:57:47,893 INFO L470 AbstractCegarLoop]: Abstraction has 56098 states and 73628 transitions. [2021-11-07 15:57:47,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 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) [2021-11-07 15:57:47,893 INFO L276 IsEmpty]: Start isEmpty. Operand 56098 states and 73628 transitions. [2021-11-07 15:57:47,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-07 15:57:47,902 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:57:47,903 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:57:47,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 15:57:47,903 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 15:57:47,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:57:47,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1176619895, now seen corresponding path program 1 times [2021-11-07 15:57:47,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:57:47,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537992845] [2021-11-07 15:57:47,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:57:47,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:57:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:57:48,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:57:48,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:57:48,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537992845] [2021-11-07 15:57:48,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537992845] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:57:48,463 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:57:48,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:57:48,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604008245] [2021-11-07 15:57:48,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:57:48,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:57:48,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:57:48,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:57:48,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:57:48,464 INFO L87 Difference]: Start difference. First operand 56098 states and 73628 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 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) [2021-11-07 15:57:50,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:57:50,048 INFO L93 Difference]: Finished difference Result 62206 states and 82244 transitions. [2021-11-07 15:57:50,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:57:50,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 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 106 [2021-11-07 15:57:50,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:57:50,166 INFO L225 Difference]: With dead ends: 62206 [2021-11-07 15:57:50,166 INFO L226 Difference]: Without dead ends: 62202 [2021-11-07 15:57:50,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.10ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:57:50,191 INFO L933 BasicCegarLoop]: 9100 mSDtfsCounter, 2506 mSDsluCounter, 6394 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 377.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2506 SdHoareTripleChecker+Valid, 15494 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.15ms SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 414.10ms IncrementalHoareTripleChecker+Time [2021-11-07 15:57:50,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2506 Valid, 15494 Invalid, 89 Unknown, 0 Unchecked, 10.15ms Time], IncrementalHoareTripleChecker [37 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 414.10ms Time] [2021-11-07 15:57:50,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62202 states. [2021-11-07 15:57:51,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62202 to 56094. [2021-11-07 15:57:51,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56094 states, 56086 states have (on average 1.3121634632528616) internal successors, (73594), 56093 states have internal predecessors, (73594), 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) [2021-11-07 15:57:51,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56094 states to 56094 states and 73594 transitions. [2021-11-07 15:57:51,975 INFO L78 Accepts]: Start accepts. Automaton has 56094 states and 73594 transitions. Word has length 106 [2021-11-07 15:57:51,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:57:51,976 INFO L470 AbstractCegarLoop]: Abstraction has 56094 states and 73594 transitions. [2021-11-07 15:57:51,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 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) [2021-11-07 15:57:51,976 INFO L276 IsEmpty]: Start isEmpty. Operand 56094 states and 73594 transitions. [2021-11-07 15:57:51,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 15:57:51,987 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:57:51,987 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:57:51,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 15:57:51,987 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 15:57:51,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:57:51,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1400467914, now seen corresponding path program 1 times [2021-11-07 15:57:51,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:57:51,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659441452] [2021-11-07 15:57:51,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:57:51,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:57:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:57:52,278 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:57:52,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:57:52,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659441452] [2021-11-07 15:57:52,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659441452] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:57:52,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:57:52,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:57:52,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102465983] [2021-11-07 15:57:52,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:57:52,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:57:52,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:57:52,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:57:52,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:57:52,280 INFO L87 Difference]: Start difference. First operand 56094 states and 73594 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2021-11-07 15:57:54,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:57:54,982 INFO L93 Difference]: Finished difference Result 151972 states and 199571 transitions. [2021-11-07 15:57:54,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:57:54,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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 110 [2021-11-07 15:57:54,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:57:55,173 INFO L225 Difference]: With dead ends: 151972 [2021-11-07 15:57:55,173 INFO L226 Difference]: Without dead ends: 95906 [2021-11-07 15:57:55,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.12ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:57:55,363 INFO L933 BasicCegarLoop]: 7765 mSDtfsCounter, 6426 mSDsluCounter, 7706 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 308.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6426 SdHoareTripleChecker+Valid, 15471 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.23ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 333.82ms IncrementalHoareTripleChecker+Time [2021-11-07 15:57:55,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6426 Valid, 15471 Invalid, 31 Unknown, 0 Unchecked, 12.23ms Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 333.82ms Time] [2021-11-07 15:57:55,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95906 states. [2021-11-07 15:57:57,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95906 to 95266. [2021-11-07 15:57:57,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95266 states, 95258 states have (on average 1.3148292006970543) internal successors, (125248), 95265 states have internal predecessors, (125248), 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) [2021-11-07 15:57:58,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95266 states to 95266 states and 125248 transitions. [2021-11-07 15:57:58,115 INFO L78 Accepts]: Start accepts. Automaton has 95266 states and 125248 transitions. Word has length 110 [2021-11-07 15:57:58,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:57:58,115 INFO L470 AbstractCegarLoop]: Abstraction has 95266 states and 125248 transitions. [2021-11-07 15:57:58,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2021-11-07 15:57:58,116 INFO L276 IsEmpty]: Start isEmpty. Operand 95266 states and 125248 transitions. [2021-11-07 15:57:58,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-07 15:57:58,122 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:57:58,122 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:57:58,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 15:57:58,123 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 15:57:58,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:57:58,123 INFO L85 PathProgramCache]: Analyzing trace with hash 941197627, now seen corresponding path program 1 times [2021-11-07 15:57:58,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:57:58,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523777241] [2021-11-07 15:57:58,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:57:58,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:57:58,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:57:58,427 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:57:58,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:57:58,427 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523777241] [2021-11-07 15:57:58,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523777241] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:57:58,427 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:57:58,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:57:58,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565654820] [2021-11-07 15:57:58,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:57:58,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:57:58,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:57:58,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:57:58,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:57:58,428 INFO L87 Difference]: Start difference. First operand 95266 states and 125248 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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) [2021-11-07 15:58:00,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:58:00,557 INFO L93 Difference]: Finished difference Result 156236 states and 205735 transitions. [2021-11-07 15:58:00,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:58:00,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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 111 [2021-11-07 15:58:00,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:58:00,667 INFO L225 Difference]: With dead ends: 156236 [2021-11-07 15:58:00,667 INFO L226 Difference]: Without dead ends: 60998 [2021-11-07 15:58:00,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.29ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:58:00,749 INFO L933 BasicCegarLoop]: 6357 mSDtfsCounter, 6350 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 142.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6350 SdHoareTripleChecker+Valid, 6357 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.25ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 155.94ms IncrementalHoareTripleChecker+Time [2021-11-07 15:58:00,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6350 Valid, 6357 Invalid, 2 Unknown, 0 Unchecked, 6.25ms Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 155.94ms Time] [2021-11-07 15:58:00,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60998 states. [2021-11-07 15:58:02,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60998 to 60998. [2021-11-07 15:58:02,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60998 states, 60990 states have (on average 1.3196589604853255) internal successors, (80486), 60997 states have internal predecessors, (80486), 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) [2021-11-07 15:58:02,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60998 states to 60998 states and 80486 transitions. [2021-11-07 15:58:02,435 INFO L78 Accepts]: Start accepts. Automaton has 60998 states and 80486 transitions. Word has length 111 [2021-11-07 15:58:02,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:58:02,435 INFO L470 AbstractCegarLoop]: Abstraction has 60998 states and 80486 transitions. [2021-11-07 15:58:02,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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) [2021-11-07 15:58:02,435 INFO L276 IsEmpty]: Start isEmpty. Operand 60998 states and 80486 transitions. [2021-11-07 15:58:02,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-07 15:58:02,438 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:58:02,438 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 15:58:02,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 15:58:02,438 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2021-11-07 15:58:02,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:58:02,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1249662915, now seen corresponding path program 1 times [2021-11-07 15:58:02,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:58:02,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882186723] [2021-11-07 15:58:02,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:58:02,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:58:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:58:02,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:58:02,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:58:02,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882186723] [2021-11-07 15:58:02,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882186723] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:58:02,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:58:02,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:58:02,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82349718] [2021-11-07 15:58:02,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:58:02,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:58:02,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:58:02,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:58:02,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:58:02,734 INFO L87 Difference]: Start difference. First operand 60998 states and 80486 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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)