./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4d014703 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.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 10193951df4eb6f67d99eaaa8758acfa57b6461ca38071389a41cbdc5c585dfb --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-4d01470 [2021-11-03 00:52:06,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 00:52:06,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 00:52:06,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 00:52:06,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 00:52:06,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 00:52:06,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 00:52:06,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 00:52:06,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 00:52:06,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 00:52:06,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 00:52:06,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 00:52:06,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 00:52:06,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 00:52:06,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 00:52:06,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 00:52:06,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 00:52:06,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 00:52:06,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 00:52:06,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 00:52:06,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 00:52:06,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 00:52:06,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 00:52:06,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 00:52:06,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 00:52:06,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 00:52:06,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 00:52:06,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 00:52:06,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 00:52:06,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 00:52:06,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 00:52:06,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 00:52:06,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 00:52:06,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 00:52:06,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 00:52:06,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 00:52:06,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 00:52:06,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 00:52:06,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 00:52:06,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 00:52:06,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 00:52:06,600 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-03 00:52:06,618 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 00:52:06,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 00:52:06,619 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-03 00:52:06,619 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-03 00:52:06,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-03 00:52:06,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-03 00:52:06,620 INFO L138 SettingsManager]: * Use SBE=true [2021-11-03 00:52:06,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 00:52:06,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 00:52:06,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 00:52:06,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 00:52:06,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 00:52:06,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 00:52:06,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 00:52:06,621 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 00:52:06,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 00:52:06,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 00:52:06,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 00:52:06,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 00:52:06,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 00:52:06,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 00:52:06,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 00:52:06,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 00:52:06,623 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-03 00:52:06,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 00:52:06,623 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-03 00:52:06,623 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-03 00:52:06,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 00:52:06,623 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 00:52:06,623 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10193951df4eb6f67d99eaaa8758acfa57b6461ca38071389a41cbdc5c585dfb [2021-11-03 00:52:06,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 00:52:06,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 00:52:06,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 00:52:06,842 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 00:52:06,844 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 00:52:06,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i [2021-11-03 00:52:06,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef24c58d6/02b82b7514074d5eaa26a40e5144c30d/FLAGff3afeaed [2021-11-03 00:52:07,439 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 00:52:07,441 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i [2021-11-03 00:52:07,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef24c58d6/02b82b7514074d5eaa26a40e5144c30d/FLAGff3afeaed [2021-11-03 00:52:07,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef24c58d6/02b82b7514074d5eaa26a40e5144c30d [2021-11-03 00:52:07,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 00:52:07,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 00:52:07,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 00:52:07,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 00:52:07,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 00:52:07,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:52:07" (1/1) ... [2021-11-03 00:52:07,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c34ee10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:52:07, skipping insertion in model container [2021-11-03 00:52:07,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:52:07" (1/1) ... [2021-11-03 00:52:07,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 00:52:07,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 00:52:09,472 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341176,341189] [2021-11-03 00:52:09,474 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341345,341358] [2021-11-03 00:52:09,475 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341512,341525] [2021-11-03 00:52:09,475 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341680,341693] [2021-11-03 00:52:09,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 00:52:09,515 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 00:52:09,735 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341176,341189] [2021-11-03 00:52:09,736 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341345,341358] [2021-11-03 00:52:09,736 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341512,341525] [2021-11-03 00:52:09,737 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i[341680,341693] [2021-11-03 00:52:09,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 00:52:09,859 INFO L208 MainTranslator]: Completed translation [2021-11-03 00:52:09,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:52:09 WrapperNode [2021-11-03 00:52:09,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 00:52:09,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 00:52:09,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 00:52:09,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 00:52:09,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:52:09" (1/1) ... [2021-11-03 00:52:09,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:52:09" (1/1) ... [2021-11-03 00:52:10,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 00:52:10,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 00:52:10,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 00:52:10,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 00:52:10,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:52:09" (1/1) ... [2021-11-03 00:52:10,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:52:09" (1/1) ... [2021-11-03 00:52:10,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:52:09" (1/1) ... [2021-11-03 00:52:10,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:52:09" (1/1) ... [2021-11-03 00:52:10,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:52:09" (1/1) ... [2021-11-03 00:52:11,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:52:09" (1/1) ... [2021-11-03 00:52:11,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:52:09" (1/1) ... [2021-11-03 00:52:11,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 00:52:11,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 00:52:11,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 00:52:11,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 00:52:11,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:52:09" (1/1) ... [2021-11-03 00:52:11,198 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 00:52:11,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-03 00:52:11,217 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) [2021-11-03 00:52:11,223 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 [2021-11-03 00:52:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-03 00:52:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 00:52:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-03 00:52:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-03 00:52:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 00:52:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 00:52:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 00:52:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 00:52:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 00:52:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-03 00:52:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-03 00:52:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 00:52:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 00:52:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 00:52:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 00:52:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 00:52:14,292 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-03 00:52:14,292 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2021-11-03 00:52:14,292 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-03 00:52:14,293 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-03 00:52:14,294 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-03 00:52:14,320 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 00:52:14,321 INFO L299 CfgBuilder]: Removed 5367 assume(true) statements. [2021-11-03 00:52:14,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:52:14 BoogieIcfgContainer [2021-11-03 00:52:14,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 00:52:14,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 00:52:14,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 00:52:14,330 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 00:52:14,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:52:07" (1/3) ... [2021-11-03 00:52:14,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@353b05d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:52:14, skipping insertion in model container [2021-11-03 00:52:14,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:52:09" (2/3) ... [2021-11-03 00:52:14,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@353b05d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:52:14, skipping insertion in model container [2021-11-03 00:52:14,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:52:14" (3/3) ... [2021-11-03 00:52:14,332 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i [2021-11-03 00:52:14,336 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 00:52:14,336 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 87 error locations. [2021-11-03 00:52:14,387 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 00:52:14,393 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 [2021-11-03 00:52:14,393 INFO L340 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2021-11-03 00:52:14,454 INFO L276 IsEmpty]: Start isEmpty. Operand has 4357 states, 4270 states have (on average 1.2805620608899297) internal successors, (5468), 4356 states have internal predecessors, (5468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:52:14,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-03 00:52:14,465 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:52:14,466 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 00:52:14,466 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 84 more)] === [2021-11-03 00:52:14,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:52:14,471 INFO L85 PathProgramCache]: Analyzing trace with hash 462445981, now seen corresponding path program 1 times [2021-11-03 00:52:14,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:52:14,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826942303] [2021-11-03 00:52:14,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:52:14,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:52:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:52:14,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 00:52:14,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:52:14,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826942303] [2021-11-03 00:52:14,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826942303] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:52:14,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:52:14,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:52:14,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319460092] [2021-11-03 00:52:14,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 00:52:14,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:52:14,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 00:52:14,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:52:14,951 INFO L87 Difference]: Start difference. First operand has 4357 states, 4270 states have (on average 1.2805620608899297) internal successors, (5468), 4356 states have internal predecessors, (5468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:52:26,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-03 00:52:31,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:52:31,821 INFO L93 Difference]: Finished difference Result 12672 states and 15900 transitions. [2021-11-03 00:52:31,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 00:52:31,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-03 00:52:31,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:52:31,861 INFO L225 Difference]: With dead ends: 12672 [2021-11-03 00:52:31,861 INFO L226 Difference]: Without dead ends: 8099 [2021-11-03 00:52:31,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.98ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:52:31,875 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 4991 mSDsluCounter, 5273 mSDsCounter, 0 mSdLazyCounter, 10306 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13822.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4991 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 10313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 54.06ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 10306 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16009.05ms IncrementalHoareTripleChecker+Time [2021-11-03 00:52:31,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4991 Valid, 315 Invalid, 10313 Unknown, 0 Unchecked, 54.06ms Time], IncrementalHoareTripleChecker [6 Valid, 10306 Invalid, 1 Unknown, 0 Unchecked, 16009.05ms Time] [2021-11-03 00:52:31,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8099 states. [2021-11-03 00:52:32,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8099 to 8015. [2021-11-03 00:52:32,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8015 states, 7928 states have (on average 1.2197275479313825) internal successors, (9670), 8014 states have internal predecessors, (9670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:52:32,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8015 states to 8015 states and 9670 transitions. [2021-11-03 00:52:32,108 INFO L78 Accepts]: Start accepts. Automaton has 8015 states and 9670 transitions. Word has length 39 [2021-11-03 00:52:32,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:52:32,108 INFO L470 AbstractCegarLoop]: Abstraction has 8015 states and 9670 transitions. [2021-11-03 00:52:32,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:52:32,110 INFO L276 IsEmpty]: Start isEmpty. Operand 8015 states and 9670 transitions. [2021-11-03 00:52:32,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-03 00:52:32,116 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:52:32,116 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 00:52:32,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 00:52:32,117 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 84 more)] === [2021-11-03 00:52:32,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:52:32,117 INFO L85 PathProgramCache]: Analyzing trace with hash -958248383, now seen corresponding path program 1 times [2021-11-03 00:52:32,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:52:32,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469642937] [2021-11-03 00:52:32,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:52:32,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:52:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:52:32,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 00:52:32,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:52:32,280 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469642937] [2021-11-03 00:52:32,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469642937] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:52:32,283 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:52:32,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:52:32,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846478125] [2021-11-03 00:52:32,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 00:52:32,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:52:32,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 00:52:32,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:52:32,287 INFO L87 Difference]: Start difference. First operand 8015 states and 9670 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:52:34,920 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:52:42,513 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-03 00:52:51,317 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-03 00:52:52,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:52:52,496 INFO L93 Difference]: Finished difference Result 23018 states and 27747 transitions. [2021-11-03 00:52:52,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 00:52:52,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-03 00:52:52,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:52:52,549 INFO L225 Difference]: With dead ends: 23018 [2021-11-03 00:52:52,549 INFO L226 Difference]: Without dead ends: 15063 [2021-11-03 00:52:52,564 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.85ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:52:52,565 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4561 mSDsluCounter, 4768 mSDsCounter, 0 mSdLazyCounter, 9797 mSolverCounterSat, 14 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17408.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4561 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 9814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 40.41ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 9797 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19477.20ms IncrementalHoareTripleChecker+Time [2021-11-03 00:52:52,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4561 Valid, 0 Invalid, 9814 Unknown, 0 Unchecked, 40.41ms Time], IncrementalHoareTripleChecker [14 Valid, 9797 Invalid, 3 Unknown, 0 Unchecked, 19477.20ms Time] [2021-11-03 00:52:52,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15063 states. [2021-11-03 00:52:52,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15063 to 13579. [2021-11-03 00:52:52,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13579 states, 13492 states have (on average 1.2148680699673882) internal successors, (16391), 13578 states have internal predecessors, (16391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:52:52,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13579 states to 13579 states and 16391 transitions. [2021-11-03 00:52:52,893 INFO L78 Accepts]: Start accepts. Automaton has 13579 states and 16391 transitions. Word has length 39 [2021-11-03 00:52:52,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:52:52,899 INFO L470 AbstractCegarLoop]: Abstraction has 13579 states and 16391 transitions. [2021-11-03 00:52:52,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:52:52,900 INFO L276 IsEmpty]: Start isEmpty. Operand 13579 states and 16391 transitions. [2021-11-03 00:52:52,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-03 00:52:52,903 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:52:52,903 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 00:52:52,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 00:52:52,906 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 84 more)] === [2021-11-03 00:52:52,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:52:52,907 INFO L85 PathProgramCache]: Analyzing trace with hash 914697269, now seen corresponding path program 1 times [2021-11-03 00:52:52,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:52:52,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167221402] [2021-11-03 00:52:52,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:52:52,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:52:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:52:53,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 00:52:53,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:52:53,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167221402] [2021-11-03 00:52:53,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167221402] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:52:53,052 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:52:53,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:52:53,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067763245] [2021-11-03 00:52:53,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 00:52:53,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:52:53,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 00:52:53,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:52:53,054 INFO L87 Difference]: Start difference. First operand 13579 states and 16391 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:53:06,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:53:06,156 INFO L93 Difference]: Finished difference Result 23313 states and 28112 transitions. [2021-11-03 00:53:06,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 00:53:06,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-11-03 00:53:06,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:53:06,184 INFO L225 Difference]: With dead ends: 23313 [2021-11-03 00:53:06,184 INFO L226 Difference]: Without dead ends: 9794 [2021-11-03 00:53:06,205 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.34ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:53:06,205 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 1528 mSDsluCounter, 4829 mSDsCounter, 0 mSdLazyCounter, 10251 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10984.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1528 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 10272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.48ms SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 10251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12513.73ms IncrementalHoareTripleChecker+Time [2021-11-03 00:53:06,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1528 Valid, 0 Invalid, 10272 Unknown, 0 Unchecked, 28.48ms Time], IncrementalHoareTripleChecker [21 Valid, 10251 Invalid, 0 Unknown, 0 Unchecked, 12513.73ms Time] [2021-11-03 00:53:06,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9794 states. [2021-11-03 00:53:06,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9794 to 9686. [2021-11-03 00:53:06,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9686 states, 9599 states have (on average 1.21325138035212) internal successors, (11646), 9685 states have internal predecessors, (11646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:53:06,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9686 states to 9686 states and 11646 transitions. [2021-11-03 00:53:06,383 INFO L78 Accepts]: Start accepts. Automaton has 9686 states and 11646 transitions. Word has length 45 [2021-11-03 00:53:06,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:53:06,384 INFO L470 AbstractCegarLoop]: Abstraction has 9686 states and 11646 transitions. [2021-11-03 00:53:06,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:53:06,384 INFO L276 IsEmpty]: Start isEmpty. Operand 9686 states and 11646 transitions. [2021-11-03 00:53:06,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-03 00:53:06,385 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:53:06,385 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] [2021-11-03 00:53:06,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-03 00:53:06,387 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 84 more)] === [2021-11-03 00:53:06,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:53:06,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1176721246, now seen corresponding path program 1 times [2021-11-03 00:53:06,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:53:06,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129417358] [2021-11-03 00:53:06,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:53:06,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:53:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:53:06,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 00:53:06,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:53:06,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129417358] [2021-11-03 00:53:06,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129417358] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:53:06,543 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:53:06,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:53:06,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925635883] [2021-11-03 00:53:06,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 00:53:06,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:53:06,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 00:53:06,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:53:06,544 INFO L87 Difference]: Start difference. First operand 9686 states and 11646 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:53:12,711 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-03 00:53:18,718 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-03 00:53:23,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:53:23,771 INFO L93 Difference]: Finished difference Result 26117 states and 31491 transitions. [2021-11-03 00:53:23,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 00:53:23,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2021-11-03 00:53:23,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:53:23,809 INFO L225 Difference]: With dead ends: 26117 [2021-11-03 00:53:23,809 INFO L226 Difference]: Without dead ends: 16491 [2021-11-03 00:53:23,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.64ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:53:23,827 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4399 mSDsluCounter, 4301 mSDsCounter, 0 mSdLazyCounter, 9320 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14700.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4399 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 9332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.22ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 9320 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16555.22ms IncrementalHoareTripleChecker+Time [2021-11-03 00:53:23,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4399 Valid, 0 Invalid, 9332 Unknown, 0 Unchecked, 24.22ms Time], IncrementalHoareTripleChecker [10 Valid, 9320 Invalid, 2 Unknown, 0 Unchecked, 16555.22ms Time] [2021-11-03 00:53:23,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16491 states. [2021-11-03 00:53:24,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16491 to 16007. [2021-11-03 00:53:24,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16007 states, 15920 states have (on average 1.2186557788944723) internal successors, (19401), 16006 states have internal predecessors, (19401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:53:24,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16007 states to 16007 states and 19401 transitions. [2021-11-03 00:53:24,122 INFO L78 Accepts]: Start accepts. Automaton has 16007 states and 19401 transitions. Word has length 50 [2021-11-03 00:53:24,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:53:24,122 INFO L470 AbstractCegarLoop]: Abstraction has 16007 states and 19401 transitions. [2021-11-03 00:53:24,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:53:24,123 INFO L276 IsEmpty]: Start isEmpty. Operand 16007 states and 19401 transitions. [2021-11-03 00:53:24,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-03 00:53:24,124 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:53:24,124 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] [2021-11-03 00:53:24,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-03 00:53:24,124 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 84 more)] === [2021-11-03 00:53:24,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:53:24,125 INFO L85 PathProgramCache]: Analyzing trace with hash -853583117, now seen corresponding path program 1 times [2021-11-03 00:53:24,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:53:24,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86364942] [2021-11-03 00:53:24,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:53:24,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:53:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:53:24,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 00:53:24,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:53:24,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86364942] [2021-11-03 00:53:24,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86364942] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:53:24,246 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:53:24,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:53:24,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699932387] [2021-11-03 00:53:24,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 00:53:24,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:53:24,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 00:53:24,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:53:24,247 INFO L87 Difference]: Start difference. First operand 16007 states and 19401 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:53:38,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:53:38,040 INFO L93 Difference]: Finished difference Result 43817 states and 53099 transitions. [2021-11-03 00:53:38,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 00:53:38,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2021-11-03 00:53:38,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:53:38,105 INFO L225 Difference]: With dead ends: 43817 [2021-11-03 00:53:38,105 INFO L226 Difference]: Without dead ends: 27870 [2021-11-03 00:53:38,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.69ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:53:38,142 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4573 mSDsluCounter, 4810 mSDsCounter, 0 mSdLazyCounter, 9852 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11286.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4573 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 9861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.09ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13010.48ms IncrementalHoareTripleChecker+Time [2021-11-03 00:53:38,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4573 Valid, 0 Invalid, 9861 Unknown, 0 Unchecked, 21.09ms Time], IncrementalHoareTripleChecker [9 Valid, 9852 Invalid, 0 Unknown, 0 Unchecked, 13010.48ms Time] [2021-11-03 00:53:38,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27870 states. [2021-11-03 00:53:38,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27870 to 27253. [2021-11-03 00:53:38,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27253 states, 27166 states have (on average 1.21685194728705) internal successors, (33057), 27252 states have internal predecessors, (33057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:53:38,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27253 states to 27253 states and 33057 transitions. [2021-11-03 00:53:38,781 INFO L78 Accepts]: Start accepts. Automaton has 27253 states and 33057 transitions. Word has length 54 [2021-11-03 00:53:38,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:53:38,781 INFO L470 AbstractCegarLoop]: Abstraction has 27253 states and 33057 transitions. [2021-11-03 00:53:38,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:53:38,781 INFO L276 IsEmpty]: Start isEmpty. Operand 27253 states and 33057 transitions. [2021-11-03 00:53:38,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-03 00:53:38,782 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:53:38,782 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 00:53:38,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-03 00:53:38,783 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 84 more)] === [2021-11-03 00:53:38,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:53:38,783 INFO L85 PathProgramCache]: Analyzing trace with hash 249422810, now seen corresponding path program 1 times [2021-11-03 00:53:38,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:53:38,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573031371] [2021-11-03 00:53:38,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:53:38,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:53:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:53:38,895 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 00:53:38,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:53:38,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573031371] [2021-11-03 00:53:38,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573031371] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:53:38,896 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:53:38,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:53:38,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862682225] [2021-11-03 00:53:38,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 00:53:38,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:53:38,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 00:53:38,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:53:38,898 INFO L87 Difference]: Start difference. First operand 27253 states and 33057 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:53:41,261 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:53:48,668 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-03 00:53:52,518 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-03 00:53:55,047 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-03 00:54:02,708 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-03 00:54:03,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:54:03,970 INFO L93 Difference]: Finished difference Result 80450 states and 97666 transitions. [2021-11-03 00:54:03,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 00:54:03,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2021-11-03 00:54:03,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:54:04,086 INFO L225 Difference]: With dead ends: 80450 [2021-11-03 00:54:04,086 INFO L226 Difference]: Without dead ends: 53257 [2021-11-03 00:54:04,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.40ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:54:04,137 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4913 mSDsluCounter, 4992 mSDsCounter, 0 mSdLazyCounter, 10532 mSolverCounterSat, 6 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21583.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4913 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 10542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.12ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 10532 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23877.70ms IncrementalHoareTripleChecker+Time [2021-11-03 00:54:04,137 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4913 Valid, 0 Invalid, 10542 Unknown, 0 Unchecked, 27.12ms Time], IncrementalHoareTripleChecker [6 Valid, 10532 Invalid, 4 Unknown, 0 Unchecked, 23877.70ms Time] [2021-11-03 00:54:04,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53257 states. [2021-11-03 00:54:05,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53257 to 52883. [2021-11-03 00:54:05,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52883 states, 52796 states have (on average 1.2178195317827107) internal successors, (64296), 52882 states have internal predecessors, (64296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:54:05,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52883 states to 52883 states and 64296 transitions. [2021-11-03 00:54:05,201 INFO L78 Accepts]: Start accepts. Automaton has 52883 states and 64296 transitions. Word has length 65 [2021-11-03 00:54:05,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:54:05,201 INFO L470 AbstractCegarLoop]: Abstraction has 52883 states and 64296 transitions. [2021-11-03 00:54:05,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:54:05,202 INFO L276 IsEmpty]: Start isEmpty. Operand 52883 states and 64296 transitions. [2021-11-03 00:54:05,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-03 00:54:05,202 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:54:05,203 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 00:54:05,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-03 00:54:05,203 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 84 more)] === [2021-11-03 00:54:05,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:54:05,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1844241805, now seen corresponding path program 1 times [2021-11-03 00:54:05,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:54:05,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577602045] [2021-11-03 00:54:05,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:54:05,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:54:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:54:05,284 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 00:54:05,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:54:05,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577602045] [2021-11-03 00:54:05,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577602045] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:54:05,284 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:54:05,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:54:05,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009529103] [2021-11-03 00:54:05,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 00:54:05,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:54:05,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 00:54:05,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:54:05,286 INFO L87 Difference]: Start difference. First operand 52883 states and 64296 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:54:07,299 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:54:09,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:54:16,816 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-03 00:54:18,964 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-03 00:54:26,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:54:26,422 INFO L93 Difference]: Finished difference Result 157177 states and 191231 transitions. [2021-11-03 00:54:26,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 00:54:26,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2021-11-03 00:54:26,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:54:26,673 INFO L225 Difference]: With dead ends: 157177 [2021-11-03 00:54:26,673 INFO L226 Difference]: Without dead ends: 104405 [2021-11-03 00:54:26,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.78ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:54:26,767 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4695 mSDsluCounter, 4981 mSDsCounter, 0 mSdLazyCounter, 10598 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17150.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4695 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 10606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.67ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10598 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19182.55ms IncrementalHoareTripleChecker+Time [2021-11-03 00:54:26,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4695 Valid, 0 Invalid, 10606 Unknown, 0 Unchecked, 18.67ms Time], IncrementalHoareTripleChecker [5 Valid, 10598 Invalid, 3 Unknown, 0 Unchecked, 19182.55ms Time] [2021-11-03 00:54:26,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104405 states. [2021-11-03 00:54:28,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104405 to 104321. [2021-11-03 00:54:28,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104321 states, 104234 states have (on average 1.2170500988161252) internal successors, (126858), 104320 states have internal predecessors, (126858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:54:29,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104321 states to 104321 states and 126858 transitions. [2021-11-03 00:54:29,347 INFO L78 Accepts]: Start accepts. Automaton has 104321 states and 126858 transitions. Word has length 68 [2021-11-03 00:54:29,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:54:29,348 INFO L470 AbstractCegarLoop]: Abstraction has 104321 states and 126858 transitions. [2021-11-03 00:54:29,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:54:29,349 INFO L276 IsEmpty]: Start isEmpty. Operand 104321 states and 126858 transitions. [2021-11-03 00:54:29,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-03 00:54:29,358 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:54:29,358 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 00:54:29,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-03 00:54:29,358 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 84 more)] === [2021-11-03 00:54:29,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:54:29,359 INFO L85 PathProgramCache]: Analyzing trace with hash 564378127, now seen corresponding path program 1 times [2021-11-03 00:54:29,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:54:29,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710789254] [2021-11-03 00:54:29,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:54:29,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:54:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:54:29,441 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 00:54:29,441 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:54:29,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710789254] [2021-11-03 00:54:29,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710789254] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:54:29,441 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:54:29,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:54:29,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454764352] [2021-11-03 00:54:29,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 00:54:29,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:54:29,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 00:54:29,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:54:29,443 INFO L87 Difference]: Start difference. First operand 104321 states and 126858 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:54:38,905 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-03 00:54:50,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:54:50,703 INFO L93 Difference]: Finished difference Result 260109 states and 316443 transitions. [2021-11-03 00:54:50,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 00:54:50,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2021-11-03 00:54:50,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:54:51,053 INFO L225 Difference]: With dead ends: 260109 [2021-11-03 00:54:51,053 INFO L226 Difference]: Without dead ends: 155899 [2021-11-03 00:54:51,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.62ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:54:51,202 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4757 mSDsluCounter, 4925 mSDsCounter, 0 mSdLazyCounter, 14652 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15835.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4757 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 14659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.46ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14652 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18014.47ms IncrementalHoareTripleChecker+Time [2021-11-03 00:54:51,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4757 Valid, 0 Invalid, 14659 Unknown, 0 Unchecked, 28.46ms Time], IncrementalHoareTripleChecker [6 Valid, 14652 Invalid, 1 Unknown, 0 Unchecked, 18014.47ms Time] [2021-11-03 00:54:51,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155899 states. [2021-11-03 00:54:54,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155899 to 155598. [2021-11-03 00:54:54,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155598 states, 155511 states have (on average 1.2170135874632662) internal successors, (189259), 155597 states have internal predecessors, (189259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:54:55,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155598 states to 155598 states and 189259 transitions. [2021-11-03 00:54:55,237 INFO L78 Accepts]: Start accepts. Automaton has 155598 states and 189259 transitions. Word has length 68 [2021-11-03 00:54:55,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:54:55,237 INFO L470 AbstractCegarLoop]: Abstraction has 155598 states and 189259 transitions. [2021-11-03 00:54:55,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:54:55,237 INFO L276 IsEmpty]: Start isEmpty. Operand 155598 states and 189259 transitions. [2021-11-03 00:54:55,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-03 00:54:55,238 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:54:55,238 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 00:54:55,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-03 00:54:55,238 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 84 more)] === [2021-11-03 00:54:55,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:54:55,239 INFO L85 PathProgramCache]: Analyzing trace with hash 2074886486, now seen corresponding path program 1 times [2021-11-03 00:54:55,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:54:55,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866613234] [2021-11-03 00:54:55,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:54:55,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:54:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:54:55,563 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-03 00:54:55,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:54:55,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866613234] [2021-11-03 00:54:55,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866613234] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:54:55,564 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:54:55,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:54:55,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25814107] [2021-11-03 00:54:55,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 00:54:55,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:54:55,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 00:54:55,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 00:54:55,569 INFO L87 Difference]: Start difference. First operand 155598 states and 189259 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:55:09,516 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-03 00:55:19,091 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-03 00:55:22,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:55:22,751 INFO L93 Difference]: Finished difference Result 311013 states and 378321 transitions. [2021-11-03 00:55:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 00:55:22,751 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 69 [2021-11-03 00:55:22,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:55:23,514 INFO L225 Difference]: With dead ends: 311013 [2021-11-03 00:55:23,514 INFO L226 Difference]: Without dead ends: 311007 [2021-11-03 00:55:23,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.25ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 00:55:23,624 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4945 mSDsluCounter, 9814 mSDsCounter, 0 mSdLazyCounter, 14914 mSolverCounterSat, 85 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19355.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4945 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 15001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 62.65ms SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 14914 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21856.29ms IncrementalHoareTripleChecker+Time [2021-11-03 00:55:23,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4945 Valid, 0 Invalid, 15001 Unknown, 0 Unchecked, 62.65ms Time], IncrementalHoareTripleChecker [85 Valid, 14914 Invalid, 2 Unknown, 0 Unchecked, 21856.29ms Time] [2021-11-03 00:55:23,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311007 states. [2021-11-03 00:55:30,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311007 to 310755. [2021-11-03 00:55:30,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310755 states, 310668 states have (on average 1.2170806133879253) internal successors, (378108), 310754 states have internal predecessors, (378108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:55:31,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310755 states to 310755 states and 378108 transitions. [2021-11-03 00:55:31,819 INFO L78 Accepts]: Start accepts. Automaton has 310755 states and 378108 transitions. Word has length 69 [2021-11-03 00:55:31,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:55:31,819 INFO L470 AbstractCegarLoop]: Abstraction has 310755 states and 378108 transitions. [2021-11-03 00:55:31,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:55:31,819 INFO L276 IsEmpty]: Start isEmpty. Operand 310755 states and 378108 transitions. [2021-11-03 00:55:31,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-03 00:55:31,821 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:55:31,821 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 00:55:31,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-03 00:55:31,821 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 84 more)] === [2021-11-03 00:55:31,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:55:31,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1101234713, now seen corresponding path program 1 times [2021-11-03 00:55:31,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:55:31,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160861466] [2021-11-03 00:55:31,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:55:31,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:55:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:55:31,977 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-03 00:55:31,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:55:31,978 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160861466] [2021-11-03 00:55:31,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160861466] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:55:31,978 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:55:31,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:55:31,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570700315] [2021-11-03 00:55:31,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 00:55:31,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:55:31,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 00:55:31,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 00:55:31,980 INFO L87 Difference]: Start difference. First operand 310755 states and 378108 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:55:48,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:55:48,893 INFO L93 Difference]: Finished difference Result 310755 states and 378108 transitions. [2021-11-03 00:55:48,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 00:55:48,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 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 71 [2021-11-03 00:55:48,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:55:49,724 INFO L225 Difference]: With dead ends: 310755 [2021-11-03 00:55:49,724 INFO L226 Difference]: Without dead ends: 310749 [2021-11-03 00:55:49,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.90ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 00:55:49,836 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4944 mSDsluCounter, 4874 mSDsCounter, 0 mSdLazyCounter, 9961 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9662.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4944 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 10007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 43.51ms SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 9961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11431.59ms IncrementalHoareTripleChecker+Time [2021-11-03 00:55:49,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4944 Valid, 0 Invalid, 10007 Unknown, 0 Unchecked, 43.51ms Time], IncrementalHoareTripleChecker [46 Valid, 9961 Invalid, 0 Unknown, 0 Unchecked, 11431.59ms Time] [2021-11-03 00:55:50,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310749 states. [2021-11-03 00:55:57,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310749 to 310749. [2021-11-03 00:55:57,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310749 states, 310665 states have (on average 1.2170730529670224) internal successors, (378102), 310748 states have internal predecessors, (378102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)