./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-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 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-32_7a-drivers--gpu--drm--mgag200--mgag200.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 2d3fedd3393c9ef9037d23202ca807e49e09d9211ff455e3da7db836a65b4737 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 18:16:04,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 18:16:04,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 18:16:04,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 18:16:04,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 18:16:04,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 18:16:04,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 18:16:04,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 18:16:04,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 18:16:04,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 18:16:04,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 18:16:04,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 18:16:04,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 18:16:04,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 18:16:04,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 18:16:04,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 18:16:04,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 18:16:04,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 18:16:04,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 18:16:04,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 18:16:04,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 18:16:04,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 18:16:04,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 18:16:04,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 18:16:04,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 18:16:04,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 18:16:04,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 18:16:04,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 18:16:04,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 18:16:04,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 18:16:04,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 18:16:04,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 18:16:04,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 18:16:04,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 18:16:04,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 18:16:04,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 18:16:04,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 18:16:04,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 18:16:04,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 18:16:04,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 18:16:04,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 18:16:04,245 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 18:16:04,278 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 18:16:04,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 18:16:04,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 18:16:04,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 18:16:04,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 18:16:04,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 18:16:04,282 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 18:16:04,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 18:16:04,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 18:16:04,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 18:16:04,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 18:16:04,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 18:16:04,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 18:16:04,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 18:16:04,284 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 18:16:04,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 18:16:04,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 18:16:04,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 18:16:04,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 18:16:04,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 18:16:04,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 18:16:04,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 18:16:04,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 18:16:04,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 18:16:04,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 18:16:04,286 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 18:16:04,287 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 18:16:04,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 18:16:04,287 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 18:16:04,287 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d3fedd3393c9ef9037d23202ca807e49e09d9211ff455e3da7db836a65b4737 [2021-11-05 18:16:04,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 18:16:04,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 18:16:04,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 18:16:04,643 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 18:16:04,644 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 18:16:04,646 INFO L432 ainManager$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-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i [2021-11-05 18:16:04,708 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b27399c54/8ac72725c2d142a2980b6a4543be7a7e/FLAG4c5a5fb88 [2021-11-05 18:16:05,565 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 18:16:05,566 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i [2021-11-05 18:16:05,621 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b27399c54/8ac72725c2d142a2980b6a4543be7a7e/FLAG4c5a5fb88 [2021-11-05 18:16:05,729 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b27399c54/8ac72725c2d142a2980b6a4543be7a7e [2021-11-05 18:16:05,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 18:16:05,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 18:16:05,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 18:16:05,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 18:16:05,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 18:16:05,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 06:16:05" (1/1) ... [2021-11-05 18:16:05,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66189721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:16:05, skipping insertion in model container [2021-11-05 18:16:05,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 06:16:05" (1/1) ... [2021-11-05 18:16:05,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 18:16:05,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 18:16:09,159 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-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i[367278,367291] [2021-11-05 18:16:09,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 18:16:09,642 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 18:16:10,159 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-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i[367278,367291] [2021-11-05 18:16:10,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 18:16:10,443 INFO L208 MainTranslator]: Completed translation [2021-11-05 18:16:10,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:16:10 WrapperNode [2021-11-05 18:16:10,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 18:16:10,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 18:16:10,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 18:16:10,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 18:16:10,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:16:10" (1/1) ... [2021-11-05 18:16:10,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:16:10" (1/1) ... [2021-11-05 18:16:11,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 18:16:11,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 18:16:11,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 18:16:11,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 18:16:11,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:16:10" (1/1) ... [2021-11-05 18:16:11,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:16:10" (1/1) ... [2021-11-05 18:16:12,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:16:10" (1/1) ... [2021-11-05 18:16:12,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:16:10" (1/1) ... [2021-11-05 18:16:12,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:16:10" (1/1) ... [2021-11-05 18:16:12,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:16:10" (1/1) ... [2021-11-05 18:16:13,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:16:10" (1/1) ... [2021-11-05 18:16:13,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 18:16:13,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 18:16:13,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 18:16:13,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 18:16:13,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:16:10" (1/1) ... [2021-11-05 18:16:13,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 18:16:13,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 18:16:13,245 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) [2021-11-05 18:16:13,265 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 [2021-11-05 18:16:13,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 18:16:13,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-05 18:16:13,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-05 18:16:13,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 18:16:13,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 18:16:13,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 18:16:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-05 18:16:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 18:16:13,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 18:16:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-05 18:16:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-05 18:16:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-05 18:16:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 18:16:13,281 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2021-11-05 18:16:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 18:16:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 18:16:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 18:16:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 18:16:56,475 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 18:16:56,475 INFO L299 CfgBuilder]: Removed 8054 assume(true) statements. [2021-11-05 18:16:56,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 06:16:56 BoogieIcfgContainer [2021-11-05 18:16:56,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 18:16:56,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 18:16:56,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 18:16:56,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 18:16:56,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 06:16:05" (1/3) ... [2021-11-05 18:16:56,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f69120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 06:16:56, skipping insertion in model container [2021-11-05 18:16:56,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:16:10" (2/3) ... [2021-11-05 18:16:56,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f69120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 06:16:56, skipping insertion in model container [2021-11-05 18:16:56,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 06:16:56" (3/3) ... [2021-11-05 18:16:56,489 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i [2021-11-05 18:16:56,493 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 18:16:56,494 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 108 error locations. [2021-11-05 18:16:56,564 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 18:16:56,572 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 [2021-11-05 18:16:56,572 INFO L340 AbstractCegarLoop]: Starting to check reachability of 108 error locations. [2021-11-05 18:16:56,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 7010 states, 6901 states have (on average 1.3595131140414434) internal successors, (9382), 7009 states have internal predecessors, (9382), 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) [2021-11-05 18:16:56,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-05 18:16:56,689 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:16:56,690 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] [2021-11-05 18:16:56,691 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 105 more)] === [2021-11-05 18:16:56,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:16:56,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1984148282, now seen corresponding path program 1 times [2021-11-05 18:16:56,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:16:56,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390621578] [2021-11-05 18:16:56,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:16:56,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:16:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:16:57,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:16:57,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:16:57,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390621578] [2021-11-05 18:16:57,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390621578] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:16:57,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:16:57,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 18:16:57,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292630351] [2021-11-05 18:16:57,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:16:57,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-05 18:16:57,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:16:57,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-05 18:16:57,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-05 18:16:57,338 INFO L87 Difference]: Start difference. First operand has 7010 states, 6901 states have (on average 1.3595131140414434) internal successors, (9382), 7009 states have internal predecessors, (9382), 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 37.5) internal successors, (75), 2 states have internal predecessors, (75), 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) [2021-11-05 18:16:57,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:16:57,605 INFO L93 Difference]: Finished difference Result 14016 states and 18759 transitions. [2021-11-05 18:16:57,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-05 18:16:57,608 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 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 75 [2021-11-05 18:16:57,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:16:57,657 INFO L225 Difference]: With dead ends: 14016 [2021-11-05 18:16:57,657 INFO L226 Difference]: Without dead ends: 6968 [2021-11-05 18:16:57,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.04ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-05 18:16:57,685 INFO L933 BasicCegarLoop]: 9188 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, 9188 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.30ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-05 18:16:57,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 9188 Invalid, 0 Unknown, 0 Unchecked, 22.30ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-05 18:16:57,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6968 states. [2021-11-05 18:16:57,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6968 to 6968. [2021-11-05 18:16:57,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6968 states, 6860 states have (on average 1.3276967930029155) internal successors, (9108), 6967 states have internal predecessors, (9108), 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) [2021-11-05 18:16:57,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6968 states to 6968 states and 9108 transitions. [2021-11-05 18:16:57,966 INFO L78 Accepts]: Start accepts. Automaton has 6968 states and 9108 transitions. Word has length 75 [2021-11-05 18:16:57,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:16:57,967 INFO L470 AbstractCegarLoop]: Abstraction has 6968 states and 9108 transitions. [2021-11-05 18:16:57,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 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) [2021-11-05 18:16:57,967 INFO L276 IsEmpty]: Start isEmpty. Operand 6968 states and 9108 transitions. [2021-11-05 18:16:57,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-05 18:16:57,975 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:16:57,976 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] [2021-11-05 18:16:57,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 18:16:57,976 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 105 more)] === [2021-11-05 18:16:57,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:16:57,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1202098068, now seen corresponding path program 1 times [2021-11-05 18:16:57,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:16:57,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241075208] [2021-11-05 18:16:57,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:16:57,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:16:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:16:58,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:16:58,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:16:58,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241075208] [2021-11-05 18:16:58,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241075208] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:16:58,317 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:16:58,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 18:16:58,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234437746] [2021-11-05 18:16:58,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:16:58,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:16:58,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:16:58,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:16:58,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:16:58,320 INFO L87 Difference]: Start difference. First operand 6968 states and 9108 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2021-11-05 18:16:59,718 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 18:17:00,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:17:00,249 INFO L93 Difference]: Finished difference Result 20660 states and 27062 transitions. [2021-11-05 18:17:00,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:17:00,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 75 [2021-11-05 18:17:00,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:17:00,306 INFO L225 Difference]: With dead ends: 20660 [2021-11-05 18:17:00,306 INFO L226 Difference]: Without dead ends: 13755 [2021-11-05 18:17:00,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.37ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:17:00,324 INFO L933 BasicCegarLoop]: 9105 mSDtfsCounter, 8913 mSDsluCounter, 9089 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1438.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8913 SdHoareTripleChecker+Valid, 18194 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 39.18ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1557.99ms IncrementalHoareTripleChecker+Time [2021-11-05 18:17:00,325 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8913 Valid, 18194 Invalid, 15 Unknown, 0 Unchecked, 39.18ms Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 1557.99ms Time] [2021-11-05 18:17:00,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13755 states. [2021-11-05 18:17:00,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13755 to 13553. [2021-11-05 18:17:00,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13553 states, 13445 states have (on average 1.332911863146151) internal successors, (17921), 13552 states have internal predecessors, (17921), 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) [2021-11-05 18:17:00,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13553 states to 13553 states and 17921 transitions. [2021-11-05 18:17:00,652 INFO L78 Accepts]: Start accepts. Automaton has 13553 states and 17921 transitions. Word has length 75 [2021-11-05 18:17:00,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:17:00,652 INFO L470 AbstractCegarLoop]: Abstraction has 13553 states and 17921 transitions. [2021-11-05 18:17:00,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2021-11-05 18:17:00,653 INFO L276 IsEmpty]: Start isEmpty. Operand 13553 states and 17921 transitions. [2021-11-05 18:17:00,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-05 18:17:00,654 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:17:00,654 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] [2021-11-05 18:17:00,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-05 18:17:00,655 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 105 more)] === [2021-11-05 18:17:00,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:17:00,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1345510392, now seen corresponding path program 1 times [2021-11-05 18:17:00,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:17:00,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531832082] [2021-11-05 18:17:00,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:17:00,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:17:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:17:00,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:17:00,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:17:00,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531832082] [2021-11-05 18:17:00,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531832082] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:17:00,866 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:17:00,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 18:17:00,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639877217] [2021-11-05 18:17:00,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:17:00,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:17:00,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:17:00,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:17:00,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:17:00,868 INFO L87 Difference]: Start difference. First operand 13553 states and 17921 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2021-11-05 18:17:01,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:17:01,485 INFO L93 Difference]: Finished difference Result 38998 states and 51600 transitions. [2021-11-05 18:17:01,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:17:01,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 78 [2021-11-05 18:17:01,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:17:01,570 INFO L225 Difference]: With dead ends: 38998 [2021-11-05 18:17:01,570 INFO L226 Difference]: Without dead ends: 25508 [2021-11-05 18:17:01,606 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.42ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:17:01,607 INFO L933 BasicCegarLoop]: 9111 mSDtfsCounter, 8076 mSDsluCounter, 9013 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 167.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8076 SdHoareTripleChecker+Valid, 18124 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.07ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 182.85ms IncrementalHoareTripleChecker+Time [2021-11-05 18:17:01,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8076 Valid, 18124 Invalid, 26 Unknown, 0 Unchecked, 28.07ms Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 182.85ms Time] [2021-11-05 18:17:01,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25508 states. [2021-11-05 18:17:02,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25508 to 25228. [2021-11-05 18:17:02,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25228 states, 25120 states have (on average 1.3358678343949044) internal successors, (33557), 25227 states have internal predecessors, (33557), 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) [2021-11-05 18:17:02,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25228 states to 25228 states and 33557 transitions. [2021-11-05 18:17:02,531 INFO L78 Accepts]: Start accepts. Automaton has 25228 states and 33557 transitions. Word has length 78 [2021-11-05 18:17:02,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:17:02,533 INFO L470 AbstractCegarLoop]: Abstraction has 25228 states and 33557 transitions. [2021-11-05 18:17:02,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2021-11-05 18:17:02,534 INFO L276 IsEmpty]: Start isEmpty. Operand 25228 states and 33557 transitions. [2021-11-05 18:17:02,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-05 18:17:02,535 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:17:02,536 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] [2021-11-05 18:17:02,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 18:17:02,536 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 105 more)] === [2021-11-05 18:17:02,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:17:02,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1731963748, now seen corresponding path program 1 times [2021-11-05 18:17:02,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:17:02,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283583378] [2021-11-05 18:17:02,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:17:02,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:17:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:17:02,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:17:02,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:17:02,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283583378] [2021-11-05 18:17:02,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283583378] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:17:02,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:17:02,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 18:17:02,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243712978] [2021-11-05 18:17:02,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:17:02,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:17:02,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:17:02,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:17:02,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:17:02,837 INFO L87 Difference]: Start difference. First operand 25228 states and 33557 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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) [2021-11-05 18:17:04,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:17:04,600 INFO L93 Difference]: Finished difference Result 49493 states and 65948 transitions. [2021-11-05 18:17:04,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:17:04,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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 80 [2021-11-05 18:17:04,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:17:04,749 INFO L225 Difference]: With dead ends: 49493 [2021-11-05 18:17:04,749 INFO L226 Difference]: Without dead ends: 49341 [2021-11-05 18:17:04,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.55ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:17:04,772 INFO L933 BasicCegarLoop]: 9080 mSDtfsCounter, 8753 mSDsluCounter, 8643 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 879.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8753 SdHoareTripleChecker+Valid, 17723 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.23ms SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 960.77ms IncrementalHoareTripleChecker+Time [2021-11-05 18:17:04,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8753 Valid, 17723 Invalid, 378 Unknown, 0 Unchecked, 23.23ms Time], IncrementalHoareTripleChecker [151 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 960.77ms Time] [2021-11-05 18:17:04,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49341 states. [2021-11-05 18:17:05,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49341 to 49289. [2021-11-05 18:17:05,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49289 states, 49181 states have (on average 1.3328521176877248) internal successors, (65551), 49288 states have internal predecessors, (65551), 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) [2021-11-05 18:17:06,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49289 states to 49289 states and 65551 transitions. [2021-11-05 18:17:06,031 INFO L78 Accepts]: Start accepts. Automaton has 49289 states and 65551 transitions. Word has length 80 [2021-11-05 18:17:06,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:17:06,032 INFO L470 AbstractCegarLoop]: Abstraction has 49289 states and 65551 transitions. [2021-11-05 18:17:06,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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) [2021-11-05 18:17:06,033 INFO L276 IsEmpty]: Start isEmpty. Operand 49289 states and 65551 transitions. [2021-11-05 18:17:06,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-05 18:17:06,034 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:17:06,034 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] [2021-11-05 18:17:06,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 18:17:06,035 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 105 more)] === [2021-11-05 18:17:06,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:17:06,036 INFO L85 PathProgramCache]: Analyzing trace with hash -2143670454, now seen corresponding path program 1 times [2021-11-05 18:17:06,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:17:06,037 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416955636] [2021-11-05 18:17:06,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:17:06,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:17:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:17:06,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:17:06,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:17:06,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416955636] [2021-11-05 18:17:06,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416955636] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:17:06,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:17:06,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 18:17:06,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702832526] [2021-11-05 18:17:06,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:17:06,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:17:06,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:17:06,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:17:06,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:17:06,295 INFO L87 Difference]: Start difference. First operand 49289 states and 65551 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 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) [2021-11-05 18:17:06,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:17:06,920 INFO L93 Difference]: Finished difference Result 49289 states and 65551 transitions. [2021-11-05 18:17:06,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:17:06,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 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 81 [2021-11-05 18:17:06,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:17:07,051 INFO L225 Difference]: With dead ends: 49289 [2021-11-05 18:17:07,051 INFO L226 Difference]: Without dead ends: 49287 [2021-11-05 18:17:07,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.49ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:17:07,083 INFO L933 BasicCegarLoop]: 9105 mSDtfsCounter, 9027 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9027 SdHoareTripleChecker+Valid, 9105 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.04ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.16ms IncrementalHoareTripleChecker+Time [2021-11-05 18:17:07,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9027 Valid, 9105 Invalid, 1 Unknown, 0 Unchecked, 10.04ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 4.16ms Time] [2021-11-05 18:17:07,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49287 states. [2021-11-05 18:17:08,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49287 to 49287. [2021-11-05 18:17:08,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49287 states, 49180 states have (on average 1.332838552257015) internal successors, (65549), 49286 states have internal predecessors, (65549), 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) [2021-11-05 18:17:08,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49287 states to 49287 states and 65549 transitions. [2021-11-05 18:17:08,458 INFO L78 Accepts]: Start accepts. Automaton has 49287 states and 65549 transitions. Word has length 81 [2021-11-05 18:17:08,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:17:08,459 INFO L470 AbstractCegarLoop]: Abstraction has 49287 states and 65549 transitions. [2021-11-05 18:17:08,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 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) [2021-11-05 18:17:08,459 INFO L276 IsEmpty]: Start isEmpty. Operand 49287 states and 65549 transitions. [2021-11-05 18:17:08,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-05 18:17:08,462 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:17:08,462 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] [2021-11-05 18:17:08,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-05 18:17:08,463 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr103ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 105 more)] === [2021-11-05 18:17:08,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:17:08,463 INFO L85 PathProgramCache]: Analyzing trace with hash -2029246418, now seen corresponding path program 1 times [2021-11-05 18:17:08,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:17:08,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920247550] [2021-11-05 18:17:08,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:17:08,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:17:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:17:08,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:17:08,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:17:08,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920247550] [2021-11-05 18:17:08,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920247550] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:17:08,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:17:08,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 18:17:08,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435418399] [2021-11-05 18:17:08,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:17:08,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:17:08,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:17:08,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:17:08,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:17:08,756 INFO L87 Difference]: Start difference. First operand 49287 states and 65549 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 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) [2021-11-05 18:17:09,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:17:09,608 INFO L93 Difference]: Finished difference Result 49287 states and 65549 transitions. [2021-11-05 18:17:09,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:17:09,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 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 82 [2021-11-05 18:17:09,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:17:09,712 INFO L225 Difference]: With dead ends: 49287 [2021-11-05 18:17:09,712 INFO L226 Difference]: Without dead ends: 49285 [2021-11-05 18:17:09,729 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.31ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:17:09,731 INFO L933 BasicCegarLoop]: 9103 mSDtfsCounter, 9024 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9024 SdHoareTripleChecker+Valid, 9103 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.94ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.61ms IncrementalHoareTripleChecker+Time [2021-11-05 18:17:09,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9024 Valid, 9103 Invalid, 1 Unknown, 0 Unchecked, 11.94ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 4.61ms Time] [2021-11-05 18:17:09,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49285 states. [2021-11-05 18:17:10,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49285 to 49285. [2021-11-05 18:17:10,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49285 states, 49179 states have (on average 1.3328249862746293) internal successors, (65547), 49284 states have internal predecessors, (65547), 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) [2021-11-05 18:17:10,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49285 states to 49285 states and 65547 transitions. [2021-11-05 18:17:10,766 INFO L78 Accepts]: Start accepts. Automaton has 49285 states and 65547 transitions. Word has length 82 [2021-11-05 18:17:10,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:17:10,767 INFO L470 AbstractCegarLoop]: Abstraction has 49285 states and 65547 transitions. [2021-11-05 18:17:10,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 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) [2021-11-05 18:17:10,767 INFO L276 IsEmpty]: Start isEmpty. Operand 49285 states and 65547 transitions. [2021-11-05 18:17:10,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-05 18:17:10,769 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:17:10,769 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] [2021-11-05 18:17:10,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-05 18:17:10,770 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr104ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 105 more)] === [2021-11-05 18:17:10,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:17:10,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1517898708, now seen corresponding path program 1 times [2021-11-05 18:17:10,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:17:10,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703615562] [2021-11-05 18:17:10,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:17:10,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:17:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:17:11,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:17:11,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:17:11,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703615562] [2021-11-05 18:17:11,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703615562] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:17:11,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:17:11,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 18:17:11,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816815733] [2021-11-05 18:17:11,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:17:11,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:17:11,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:17:11,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:17:11,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:17:11,006 INFO L87 Difference]: Start difference. First operand 49285 states and 65547 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) 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) [2021-11-05 18:17:11,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:17:11,715 INFO L93 Difference]: Finished difference Result 49285 states and 65547 transitions. [2021-11-05 18:17:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:17:11,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) 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 [2021-11-05 18:17:11,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:17:11,917 INFO L225 Difference]: With dead ends: 49285 [2021-11-05 18:17:11,918 INFO L226 Difference]: Without dead ends: 49283 [2021-11-05 18:17:11,930 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.03ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:17:11,931 INFO L933 BasicCegarLoop]: 9101 mSDtfsCounter, 9021 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9021 SdHoareTripleChecker+Valid, 9101 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.52ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.85ms IncrementalHoareTripleChecker+Time [2021-11-05 18:17:11,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9021 Valid, 9101 Invalid, 1 Unknown, 0 Unchecked, 8.52ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 3.85ms Time] [2021-11-05 18:17:11,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49283 states. [2021-11-05 18:17:12,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49283 to 49283. [2021-11-05 18:17:12,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49283 states, 49178 states have (on average 1.3328114197405343) internal successors, (65545), 49282 states have internal predecessors, (65545), 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) [2021-11-05 18:17:13,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49283 states to 49283 states and 65545 transitions. [2021-11-05 18:17:13,023 INFO L78 Accepts]: Start accepts. Automaton has 49283 states and 65545 transitions. Word has length 83 [2021-11-05 18:17:13,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:17:13,023 INFO L470 AbstractCegarLoop]: Abstraction has 49283 states and 65545 transitions. [2021-11-05 18:17:13,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) 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) [2021-11-05 18:17:13,024 INFO L276 IsEmpty]: Start isEmpty. Operand 49283 states and 65545 transitions. [2021-11-05 18:17:13,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-05 18:17:13,025 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:17:13,025 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] [2021-11-05 18:17:13,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-05 18:17:13,025 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr105ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 105 more)] === [2021-11-05 18:17:13,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:17:13,026 INFO L85 PathProgramCache]: Analyzing trace with hash -189752072, now seen corresponding path program 1 times [2021-11-05 18:17:13,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:17:13,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373418953] [2021-11-05 18:17:13,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:17:13,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:17:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:17:13,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:17:13,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:17:13,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373418953] [2021-11-05 18:17:13,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373418953] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:17:13,251 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:17:13,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 18:17:13,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458731377] [2021-11-05 18:17:13,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:17:13,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:17:13,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:17:13,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:17:13,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:17:13,254 INFO L87 Difference]: Start difference. First operand 49283 states and 65545 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 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) [2021-11-05 18:17:14,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:17:14,463 INFO L93 Difference]: Finished difference Result 49283 states and 65545 transitions. [2021-11-05 18:17:14,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:17:14,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 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 [2021-11-05 18:17:14,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:17:14,560 INFO L225 Difference]: With dead ends: 49283 [2021-11-05 18:17:14,561 INFO L226 Difference]: Without dead ends: 49281 [2021-11-05 18:17:14,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.18ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:17:14,579 INFO L933 BasicCegarLoop]: 9099 mSDtfsCounter, 9018 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9018 SdHoareTripleChecker+Valid, 9099 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.25ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.97ms IncrementalHoareTripleChecker+Time [2021-11-05 18:17:14,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9018 Valid, 9099 Invalid, 1 Unknown, 0 Unchecked, 11.25ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 3.97ms Time] [2021-11-05 18:17:14,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49281 states. [2021-11-05 18:17:15,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49281 to 49281. [2021-11-05 18:17:15,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49281 states, 49177 states have (on average 1.3327978526546962) internal successors, (65543), 49280 states have internal predecessors, (65543), 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) [2021-11-05 18:17:15,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49281 states to 49281 states and 65543 transitions. [2021-11-05 18:17:15,605 INFO L78 Accepts]: Start accepts. Automaton has 49281 states and 65543 transitions. Word has length 84 [2021-11-05 18:17:15,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:17:15,606 INFO L470 AbstractCegarLoop]: Abstraction has 49281 states and 65543 transitions. [2021-11-05 18:17:15,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 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) [2021-11-05 18:17:15,606 INFO L276 IsEmpty]: Start isEmpty. Operand 49281 states and 65543 transitions. [2021-11-05 18:17:15,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-05 18:17:15,608 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:17:15,608 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] [2021-11-05 18:17:15,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-05 18:17:15,608 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 105 more)] === [2021-11-05 18:17:15,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:17:15,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1587318690, now seen corresponding path program 1 times [2021-11-05 18:17:15,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:17:15,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016582041] [2021-11-05 18:17:15,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:17:15,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:17:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:17:16,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:17:16,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:17:16,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016582041] [2021-11-05 18:17:16,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016582041] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:17:16,020 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:17:16,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 18:17:16,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100195574] [2021-11-05 18:17:16,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:17:16,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:17:16,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:17:16,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:17:16,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:17:16,025 INFO L87 Difference]: Start difference. First operand 49281 states and 65543 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 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) [2021-11-05 18:17:18,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:17:18,244 INFO L93 Difference]: Finished difference Result 138506 states and 184342 transitions. [2021-11-05 18:17:18,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:17:18,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 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 [2021-11-05 18:17:18,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:17:18,542 INFO L225 Difference]: With dead ends: 138506 [2021-11-05 18:17:18,542 INFO L226 Difference]: Without dead ends: 89288 [2021-11-05 18:17:18,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.58ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:17:18,605 INFO L933 BasicCegarLoop]: 9115 mSDtfsCounter, 7535 mSDsluCounter, 8585 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 280.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7535 SdHoareTripleChecker+Valid, 17700 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.25ms SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 307.48ms IncrementalHoareTripleChecker+Time [2021-11-05 18:17:18,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7535 Valid, 17700 Invalid, 105 Unknown, 0 Unchecked, 18.25ms Time], IncrementalHoareTripleChecker [39 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 307.48ms Time] [2021-11-05 18:17:18,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89288 states. [2021-11-05 18:17:20,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89288 to 88970. [2021-11-05 18:17:20,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88970 states, 88866 states have (on average 1.333715931852452) internal successors, (118522), 88969 states have internal predecessors, (118522), 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) [2021-11-05 18:17:20,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88970 states to 88970 states and 118522 transitions. [2021-11-05 18:17:20,956 INFO L78 Accepts]: Start accepts. Automaton has 88970 states and 118522 transitions. Word has length 85 [2021-11-05 18:17:20,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 18:17:20,956 INFO L470 AbstractCegarLoop]: Abstraction has 88970 states and 118522 transitions. [2021-11-05 18:17:20,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 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) [2021-11-05 18:17:20,957 INFO L276 IsEmpty]: Start isEmpty. Operand 88970 states and 118522 transitions. [2021-11-05 18:17:20,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-05 18:17:20,958 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 18:17:20,958 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 18:17:20,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-05 18:17:20,958 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr107ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 105 more)] === [2021-11-05 18:17:20,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 18:17:20,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1962210878, now seen corresponding path program 1 times [2021-11-05 18:17:20,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 18:17:20,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167393414] [2021-11-05 18:17:20,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 18:17:20,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 18:17:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 18:17:21,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 18:17:21,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 18:17:21,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167393414] [2021-11-05 18:17:21,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167393414] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 18:17:21,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 18:17:21,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 18:17:21,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208907510] [2021-11-05 18:17:21,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 18:17:21,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 18:17:21,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 18:17:21,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 18:17:21,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:17:21,416 INFO L87 Difference]: Start difference. First operand 88970 states and 118522 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 2 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) [2021-11-05 18:17:23,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 18:17:23,130 INFO L93 Difference]: Finished difference Result 88970 states and 118522 transitions. [2021-11-05 18:17:23,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 18:17:23,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 2 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 [2021-11-05 18:17:23,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 18:17:23,269 INFO L225 Difference]: With dead ends: 88970 [2021-11-05 18:17:23,269 INFO L226 Difference]: Without dead ends: 88960 [2021-11-05 18:17:23,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.96ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 18:17:23,302 INFO L933 BasicCegarLoop]: 9098 mSDtfsCounter, 9014 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9014 SdHoareTripleChecker+Valid, 9098 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.82ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-05 18:17:23,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9014 Valid, 9098 Invalid, 0 Unknown, 0 Unchecked, 9.82ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-05 18:17:23,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88960 states.