./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-ethernet-amd-amd8111e.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.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 8dda3f7c080a6e7302d861accabde0bee64e4cb5e7a0fb77650fdd775ecd7779 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 20:42:25,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 20:42:25,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 20:42:25,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 20:42:25,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 20:42:25,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 20:42:25,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 20:42:25,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 20:42:25,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 20:42:25,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 20:42:25,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 20:42:25,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 20:42:25,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 20:42:25,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 20:42:25,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 20:42:25,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 20:42:25,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 20:42:25,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 20:42:25,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 20:42:25,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 20:42:25,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 20:42:25,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 20:42:25,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 20:42:25,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 20:42:25,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 20:42:25,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 20:42:25,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 20:42:25,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 20:42:25,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 20:42:25,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 20:42:25,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 20:42:25,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 20:42:25,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 20:42:25,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 20:42:25,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 20:42:25,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 20:42:25,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 20:42:25,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 20:42:25,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 20:42:25,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 20:42:25,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 20:42:25,543 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 20:42:25,566 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 20:42:25,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 20:42:25,567 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 20:42:25,567 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 20:42:25,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 20:42:25,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 20:42:25,568 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 20:42:25,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 20:42:25,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 20:42:25,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 20:42:25,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 20:42:25,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 20:42:25,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 20:42:25,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 20:42:25,570 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 20:42:25,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 20:42:25,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 20:42:25,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 20:42:25,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 20:42:25,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 20:42:25,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 20:42:25,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 20:42:25,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 20:42:25,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 20:42:25,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 20:42:25,578 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 20:42:25,578 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 20:42:25,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 20:42:25,579 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 20:42:25,579 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dda3f7c080a6e7302d861accabde0bee64e4cb5e7a0fb77650fdd775ecd7779 [2021-11-05 20:42:25,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 20:42:25,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 20:42:25,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 20:42:25,842 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 20:42:25,842 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 20:42:25,844 INFO L432 ainManager$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-ethernet-amd-amd8111e.cil.i [2021-11-05 20:42:25,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4a55077d/a806b7d624d24d6591fd09167f426cc8/FLAG5f1ed38da [2021-11-05 20:42:26,435 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 20:42:26,436 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-ethernet-amd-amd8111e.cil.i [2021-11-05 20:42:26,466 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4a55077d/a806b7d624d24d6591fd09167f426cc8/FLAG5f1ed38da [2021-11-05 20:42:26,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4a55077d/a806b7d624d24d6591fd09167f426cc8 [2021-11-05 20:42:26,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 20:42:26,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 20:42:26,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 20:42:26,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 20:42:26,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 20:42:26,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:42:26" (1/1) ... [2021-11-05 20:42:26,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1a24f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:42:26, skipping insertion in model container [2021-11-05 20:42:26,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:42:26" (1/1) ... [2021-11-05 20:42:26,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 20:42:26,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 20:42:28,648 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-ethernet-amd-amd8111e.cil.i[334651,334664] [2021-11-05 20:42:28,651 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-ethernet-amd-amd8111e.cil.i[334820,334833] [2021-11-05 20:42:28,651 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-ethernet-amd-amd8111e.cil.i[334987,335000] [2021-11-05 20:42:28,651 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-ethernet-amd-amd8111e.cil.i[335155,335168] [2021-11-05 20:42:28,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 20:42:28,702 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 20:42:28,932 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-ethernet-amd-amd8111e.cil.i[334651,334664] [2021-11-05 20:42:28,933 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-ethernet-amd-amd8111e.cil.i[334820,334833] [2021-11-05 20:42:28,934 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-ethernet-amd-amd8111e.cil.i[334987,335000] [2021-11-05 20:42:28,934 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-ethernet-amd-amd8111e.cil.i[335155,335168] [2021-11-05 20:42:28,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 20:42:29,150 INFO L208 MainTranslator]: Completed translation [2021-11-05 20:42:29,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:42:29 WrapperNode [2021-11-05 20:42:29,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 20:42:29,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 20:42:29,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 20:42:29,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 20:42:29,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:42:29" (1/1) ... [2021-11-05 20:42:29,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:42:29" (1/1) ... [2021-11-05 20:42:29,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 20:42:29,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 20:42:29,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 20:42:29,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 20:42:29,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:42:29" (1/1) ... [2021-11-05 20:42:29,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:42:29" (1/1) ... [2021-11-05 20:42:30,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:42:29" (1/1) ... [2021-11-05 20:42:30,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:42:29" (1/1) ... [2021-11-05 20:42:30,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:42:29" (1/1) ... [2021-11-05 20:42:30,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:42:29" (1/1) ... [2021-11-05 20:42:30,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:42:29" (1/1) ... [2021-11-05 20:42:30,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 20:42:30,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 20:42:30,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 20:42:30,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 20:42:30,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:42:29" (1/1) ... [2021-11-05 20:42:30,815 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 20:42:30,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 20:42:30,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-05 20:42:30,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-05 20:42:30,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 20:42:30,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-05 20:42:30,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-05 20:42:30,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 20:42:30,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 20:42:30,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 20:42:30,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 20:42:30,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 20:42:30,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-05 20:42:30,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-05 20:42:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 20:42:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 20:42:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 20:42:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 20:42:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 20:42:39,167 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-05 20:42:39,167 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2021-11-05 20:42:39,167 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-05 20:42:39,167 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-05 20:42:39,168 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-05 20:42:39,169 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-05 20:42:39,192 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 20:42:39,193 INFO L299 CfgBuilder]: Removed 6998 assume(true) statements. [2021-11-05 20:42:39,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:42:39 BoogieIcfgContainer [2021-11-05 20:42:39,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 20:42:39,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 20:42:39,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 20:42:39,204 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 20:42:39,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 08:42:26" (1/3) ... [2021-11-05 20:42:39,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@636f2801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:42:39, skipping insertion in model container [2021-11-05 20:42:39,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:42:29" (2/3) ... [2021-11-05 20:42:39,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@636f2801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:42:39, skipping insertion in model container [2021-11-05 20:42:39,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:42:39" (3/3) ... [2021-11-05 20:42:39,206 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2021-11-05 20:42:39,209 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 20:42:39,210 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 78 error locations. [2021-11-05 20:42:39,262 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 20:42:39,267 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-05 20:42:39,268 INFO L340 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2021-11-05 20:42:39,439 INFO L276 IsEmpty]: Start isEmpty. Operand has 5901 states, 5823 states have (on average 1.3068864846299157) internal successors, (7610), 5900 states have internal predecessors, (7610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:39,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-05 20:42:39,447 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:42:39,448 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] [2021-11-05 20:42:39,448 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-05 20:42:39,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:42:39,456 INFO L85 PathProgramCache]: Analyzing trace with hash -481796582, now seen corresponding path program 1 times [2021-11-05 20:42:39,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:42:39,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154003362] [2021-11-05 20:42:39,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:42:39,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:42:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:42:39,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 20:42:39,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:42:39,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154003362] [2021-11-05 20:42:39,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154003362] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:42:39,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:42:39,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:42:39,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411836069] [2021-11-05 20:42:39,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:42:39,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:42:39,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:42:39,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:42:39,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:42:39,919 INFO L87 Difference]: Start difference. First operand has 5901 states, 5823 states have (on average 1.3068864846299157) internal successors, (7610), 5900 states have internal predecessors, (7610), 0 states have call successors, (0), 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 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) [2021-11-05 20:42:40,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:42:40,416 INFO L93 Difference]: Finished difference Result 17355 states and 22387 transitions. [2021-11-05 20:42:40,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:42:40,418 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 [2021-11-05 20:42:40,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:42:40,467 INFO L225 Difference]: With dead ends: 17355 [2021-11-05 20:42:40,468 INFO L226 Difference]: Without dead ends: 11237 [2021-11-05 20:42:40,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.88ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:42:40,489 INFO L933 BasicCegarLoop]: 7463 mSDtfsCounter, 7208 mSDsluCounter, 7424 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 145.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7208 SdHoareTripleChecker+Valid, 14887 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.25ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 170.94ms IncrementalHoareTripleChecker+Time [2021-11-05 20:42:40,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7208 Valid, 14887 Invalid, 14 Unknown, 0 Unchecked, 30.25ms Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 170.94ms Time] [2021-11-05 20:42:40,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11237 states. [2021-11-05 20:42:40,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11237 to 11129. [2021-11-05 20:42:40,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11129 states, 11051 states have (on average 1.2624196905257443) internal successors, (13951), 11128 states have internal predecessors, (13951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:40,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11129 states to 11129 states and 13951 transitions. [2021-11-05 20:42:40,770 INFO L78 Accepts]: Start accepts. Automaton has 11129 states and 13951 transitions. Word has length 45 [2021-11-05 20:42:40,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:42:40,771 INFO L470 AbstractCegarLoop]: Abstraction has 11129 states and 13951 transitions. [2021-11-05 20:42:40,771 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) [2021-11-05 20:42:40,771 INFO L276 IsEmpty]: Start isEmpty. Operand 11129 states and 13951 transitions. [2021-11-05 20:42:40,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-05 20:42:40,773 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:42:40,773 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] [2021-11-05 20:42:40,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 20:42:40,774 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-05 20:42:40,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:42:40,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1445610242, now seen corresponding path program 1 times [2021-11-05 20:42:40,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:42:40,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217195478] [2021-11-05 20:42:40,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:42:40,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:42:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:42:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 20:42:40,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:42:40,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217195478] [2021-11-05 20:42:40,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217195478] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:42:40,878 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:42:40,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:42:40,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831729761] [2021-11-05 20:42:40,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:42:40,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:42:40,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:42:40,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:42:40,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:42:40,882 INFO L87 Difference]: Start difference. First operand 11129 states and 13951 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:41,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:42:41,598 INFO L93 Difference]: Finished difference Result 31153 states and 39121 transitions. [2021-11-05 20:42:41,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:42:41,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2021-11-05 20:42:41,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:42:41,670 INFO L225 Difference]: With dead ends: 31153 [2021-11-05 20:42:41,671 INFO L226 Difference]: Without dead ends: 20108 [2021-11-05 20:42:41,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.50ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:42:41,698 INFO L933 BasicCegarLoop]: 7101 mSDtfsCounter, 6569 mSDsluCounter, 6242 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 252.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6569 SdHoareTripleChecker+Valid, 13343 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.32ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 288.29ms IncrementalHoareTripleChecker+Time [2021-11-05 20:42:41,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6569 Valid, 13343 Invalid, 52 Unknown, 0 Unchecked, 18.32ms Time], IncrementalHoareTripleChecker [16 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 288.29ms Time] [2021-11-05 20:42:41,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20108 states. [2021-11-05 20:42:42,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20108 to 19342. [2021-11-05 20:42:42,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19342 states, 19264 states have (on average 1.2681686046511629) internal successors, (24430), 19341 states have internal predecessors, (24430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:42,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19342 states to 19342 states and 24430 transitions. [2021-11-05 20:42:42,338 INFO L78 Accepts]: Start accepts. Automaton has 19342 states and 24430 transitions. Word has length 48 [2021-11-05 20:42:42,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:42:42,339 INFO L470 AbstractCegarLoop]: Abstraction has 19342 states and 24430 transitions. [2021-11-05 20:42:42,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:42,343 INFO L276 IsEmpty]: Start isEmpty. Operand 19342 states and 24430 transitions. [2021-11-05 20:42:42,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-05 20:42:42,348 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:42:42,349 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] [2021-11-05 20:42:42,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-05 20:42:42,349 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-05 20:42:42,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:42:42,350 INFO L85 PathProgramCache]: Analyzing trace with hash -34310452, now seen corresponding path program 1 times [2021-11-05 20:42:42,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:42:42,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323009171] [2021-11-05 20:42:42,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:42:42,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:42:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:42:42,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 20:42:42,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:42:42,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323009171] [2021-11-05 20:42:42,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323009171] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:42:42,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:42:42,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:42:42,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147754307] [2021-11-05 20:42:42,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:42:42,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:42:42,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:42:42,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:42:42,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:42:42,439 INFO L87 Difference]: Start difference. First operand 19342 states and 24430 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:43,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:42:43,401 INFO L93 Difference]: Finished difference Result 51722 states and 65284 transitions. [2021-11-05 20:42:43,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:42:43,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2021-11-05 20:42:43,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:42:43,477 INFO L225 Difference]: With dead ends: 51722 [2021-11-05 20:42:43,477 INFO L226 Difference]: Without dead ends: 32464 [2021-11-05 20:42:43,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.30ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:42:43,518 INFO L933 BasicCegarLoop]: 7105 mSDtfsCounter, 5038 mSDsluCounter, 7029 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 468.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5038 SdHoareTripleChecker+Valid, 14134 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.72ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 513.77ms IncrementalHoareTripleChecker+Time [2021-11-05 20:42:43,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5038 Valid, 14134 Invalid, 89 Unknown, 0 Unchecked, 13.72ms Time], IncrementalHoareTripleChecker [9 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 513.77ms Time] [2021-11-05 20:42:43,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32464 states. [2021-11-05 20:42:44,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32464 to 30986. [2021-11-05 20:42:44,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30986 states, 30908 states have (on average 1.2695742202665976) internal successors, (39240), 30985 states have internal predecessors, (39240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:44,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30986 states to 30986 states and 39240 transitions. [2021-11-05 20:42:44,310 INFO L78 Accepts]: Start accepts. Automaton has 30986 states and 39240 transitions. Word has length 53 [2021-11-05 20:42:44,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:42:44,310 INFO L470 AbstractCegarLoop]: Abstraction has 30986 states and 39240 transitions. [2021-11-05 20:42:44,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:44,311 INFO L276 IsEmpty]: Start isEmpty. Operand 30986 states and 39240 transitions. [2021-11-05 20:42:44,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-05 20:42:44,312 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:42:44,312 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] [2021-11-05 20:42:44,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 20:42:44,312 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-05 20:42:44,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:42:44,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1062801472, now seen corresponding path program 1 times [2021-11-05 20:42:44,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:42:44,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284472771] [2021-11-05 20:42:44,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:42:44,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:42:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:42:44,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 20:42:44,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:42:44,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284472771] [2021-11-05 20:42:44,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284472771] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:42:44,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:42:44,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:42:44,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650395783] [2021-11-05 20:42:44,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:42:44,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:42:44,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:42:44,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:42:44,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:42:44,394 INFO L87 Difference]: Start difference. First operand 30986 states and 39240 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:45,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:42:45,200 INFO L93 Difference]: Finished difference Result 50680 states and 64245 transitions. [2021-11-05 20:42:45,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:42:45,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2021-11-05 20:42:45,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:42:45,245 INFO L225 Difference]: With dead ends: 50680 [2021-11-05 20:42:45,246 INFO L226 Difference]: Without dead ends: 19778 [2021-11-05 20:42:45,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.24ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:42:45,291 INFO L933 BasicCegarLoop]: 9501 mSDtfsCounter, 2579 mSDsluCounter, 7009 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 268.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 16510 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.67ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 313.16ms IncrementalHoareTripleChecker+Time [2021-11-05 20:42:45,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2579 Valid, 16510 Invalid, 94 Unknown, 0 Unchecked, 13.67ms Time], IncrementalHoareTripleChecker [19 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 313.16ms Time] [2021-11-05 20:42:45,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19778 states. [2021-11-05 20:42:45,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19778 to 19656. [2021-11-05 20:42:45,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19656 states, 19578 states have (on average 1.2729594442741854) internal successors, (24922), 19655 states have internal predecessors, (24922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:45,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19656 states to 19656 states and 24922 transitions. [2021-11-05 20:42:45,606 INFO L78 Accepts]: Start accepts. Automaton has 19656 states and 24922 transitions. Word has length 53 [2021-11-05 20:42:45,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:42:45,606 INFO L470 AbstractCegarLoop]: Abstraction has 19656 states and 24922 transitions. [2021-11-05 20:42:45,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:45,607 INFO L276 IsEmpty]: Start isEmpty. Operand 19656 states and 24922 transitions. [2021-11-05 20:42:45,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-05 20:42:45,608 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:42:45,609 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:42:45,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 20:42:45,609 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-05 20:42:45,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:42:45,610 INFO L85 PathProgramCache]: Analyzing trace with hash 2000051397, now seen corresponding path program 1 times [2021-11-05 20:42:45,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:42:45,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306505380] [2021-11-05 20:42:45,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:42:45,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:42:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:42:45,705 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 20:42:45,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:42:45,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306505380] [2021-11-05 20:42:45,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306505380] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:42:45,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:42:45,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:42:45,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171594751] [2021-11-05 20:42:45,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:42:45,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:42:45,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:42:45,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:42:45,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:42:45,707 INFO L87 Difference]: Start difference. First operand 19656 states and 24922 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:46,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:42:46,521 INFO L93 Difference]: Finished difference Result 58422 states and 74154 transitions. [2021-11-05 20:42:46,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:42:46,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2021-11-05 20:42:46,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:42:46,611 INFO L225 Difference]: With dead ends: 58422 [2021-11-05 20:42:46,611 INFO L226 Difference]: Without dead ends: 38896 [2021-11-05 20:42:46,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.26ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:42:46,649 INFO L933 BasicCegarLoop]: 7164 mSDtfsCounter, 6938 mSDsluCounter, 7050 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 247.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6938 SdHoareTripleChecker+Valid, 14214 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.98ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 279.49ms IncrementalHoareTripleChecker+Time [2021-11-05 20:42:46,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6938 Valid, 14214 Invalid, 10 Unknown, 0 Unchecked, 12.98ms Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 279.49ms Time] [2021-11-05 20:42:46,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38896 states. [2021-11-05 20:42:47,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38896 to 38774. [2021-11-05 20:42:47,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38774 states, 38696 states have (on average 1.2741368616911308) internal successors, (49304), 38773 states have internal predecessors, (49304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:47,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38774 states to 38774 states and 49304 transitions. [2021-11-05 20:42:47,647 INFO L78 Accepts]: Start accepts. Automaton has 38774 states and 49304 transitions. Word has length 70 [2021-11-05 20:42:47,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:42:47,647 INFO L470 AbstractCegarLoop]: Abstraction has 38774 states and 49304 transitions. [2021-11-05 20:42:47,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:47,648 INFO L276 IsEmpty]: Start isEmpty. Operand 38774 states and 49304 transitions. [2021-11-05 20:42:47,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-05 20:42:47,648 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:42:47,649 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:42:47,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-05 20:42:47,649 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-05 20:42:47,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:42:47,649 INFO L85 PathProgramCache]: Analyzing trace with hash -2036750461, now seen corresponding path program 1 times [2021-11-05 20:42:47,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:42:47,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53648967] [2021-11-05 20:42:47,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:42:47,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:42:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:42:47,763 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 20:42:47,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:42:47,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53648967] [2021-11-05 20:42:47,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53648967] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:42:47,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:42:47,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:42:47,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511319120] [2021-11-05 20:42:47,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:42:47,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 20:42:47,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:42:47,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 20:42:47,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 20:42:47,765 INFO L87 Difference]: Start difference. First operand 38774 states and 49304 transitions. Second operand has 4 states, 4 states have (on average 16.25) 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) [2021-11-05 20:42:48,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:42:48,405 INFO L93 Difference]: Finished difference Result 38774 states and 49304 transitions. [2021-11-05 20:42:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 20:42:48,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) 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 70 [2021-11-05 20:42:48,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:42:48,475 INFO L225 Difference]: With dead ends: 38774 [2021-11-05 20:42:48,475 INFO L226 Difference]: Without dead ends: 38770 [2021-11-05 20:42:48,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.55ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 20:42:48,487 INFO L933 BasicCegarLoop]: 7107 mSDtfsCounter, 7051 mSDsluCounter, 7043 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7051 SdHoareTripleChecker+Valid, 14150 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.39ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.32ms IncrementalHoareTripleChecker+Time [2021-11-05 20:42:48,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7051 Valid, 14150 Invalid, 70 Unknown, 0 Unchecked, 29.39ms Time], IncrementalHoareTripleChecker [22 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 42.32ms Time] [2021-11-05 20:42:48,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38770 states. [2021-11-05 20:42:49,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38770 to 38770. [2021-11-05 20:42:49,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38770 states, 38694 states have (on average 1.2740993435674781) internal successors, (49300), 38769 states have internal predecessors, (49300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:49,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38770 states to 38770 states and 49300 transitions. [2021-11-05 20:42:49,252 INFO L78 Accepts]: Start accepts. Automaton has 38770 states and 49300 transitions. Word has length 70 [2021-11-05 20:42:49,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:42:49,253 INFO L470 AbstractCegarLoop]: Abstraction has 38770 states and 49300 transitions. [2021-11-05 20:42:49,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) 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) [2021-11-05 20:42:49,253 INFO L276 IsEmpty]: Start isEmpty. Operand 38770 states and 49300 transitions. [2021-11-05 20:42:49,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-05 20:42:49,254 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:42:49,255 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:42:49,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-05 20:42:49,256 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-05 20:42:49,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:42:49,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1188034950, now seen corresponding path program 1 times [2021-11-05 20:42:49,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:42:49,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958687138] [2021-11-05 20:42:49,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:42:49,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:42:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:42:49,532 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 20:42:49,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:42:49,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958687138] [2021-11-05 20:42:49,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958687138] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:42:49,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:42:49,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:42:49,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810010606] [2021-11-05 20:42:49,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:42:49,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 20:42:49,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:42:49,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 20:42:49,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 20:42:49,537 INFO L87 Difference]: Start difference. First operand 38770 states and 49300 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:50,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:42:50,080 INFO L93 Difference]: Finished difference Result 38770 states and 49300 transitions. [2021-11-05 20:42:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 20:42:50,081 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 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 72 [2021-11-05 20:42:50,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:42:50,143 INFO L225 Difference]: With dead ends: 38770 [2021-11-05 20:42:50,144 INFO L226 Difference]: Without dead ends: 38766 [2021-11-05 20:42:50,159 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.47ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 20:42:50,160 INFO L933 BasicCegarLoop]: 7103 mSDtfsCounter, 7043 mSDsluCounter, 7041 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7043 SdHoareTripleChecker+Valid, 14144 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.48ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.12ms IncrementalHoareTripleChecker+Time [2021-11-05 20:42:50,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7043 Valid, 14144 Invalid, 70 Unknown, 0 Unchecked, 16.48ms Time], IncrementalHoareTripleChecker [24 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 57.12ms Time] [2021-11-05 20:42:50,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38766 states. [2021-11-05 20:42:50,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38766 to 38766. [2021-11-05 20:42:50,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38766 states, 38692 states have (on average 1.2740618215651813) internal successors, (49296), 38765 states have internal predecessors, (49296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:50,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38766 states to 38766 states and 49296 transitions. [2021-11-05 20:42:50,897 INFO L78 Accepts]: Start accepts. Automaton has 38766 states and 49296 transitions. Word has length 72 [2021-11-05 20:42:50,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:42:50,898 INFO L470 AbstractCegarLoop]: Abstraction has 38766 states and 49296 transitions. [2021-11-05 20:42:50,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:50,898 INFO L276 IsEmpty]: Start isEmpty. Operand 38766 states and 49296 transitions. [2021-11-05 20:42:50,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-05 20:42:50,899 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:42:50,899 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:42:50,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-05 20:42:50,899 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-05 20:42:50,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:42:50,900 INFO L85 PathProgramCache]: Analyzing trace with hash -759572471, now seen corresponding path program 1 times [2021-11-05 20:42:50,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:42:50,900 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491406416] [2021-11-05 20:42:50,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:42:50,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:42:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:42:51,017 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 20:42:51,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:42:51,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491406416] [2021-11-05 20:42:51,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491406416] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:42:51,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:42:51,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:42:51,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652920698] [2021-11-05 20:42:51,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:42:51,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 20:42:51,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:42:51,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 20:42:51,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 20:42:51,020 INFO L87 Difference]: Start difference. First operand 38766 states and 49296 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:51,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:42:51,732 INFO L93 Difference]: Finished difference Result 38766 states and 49296 transitions. [2021-11-05 20:42:51,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 20:42:51,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 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 74 [2021-11-05 20:42:51,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:42:51,797 INFO L225 Difference]: With dead ends: 38766 [2021-11-05 20:42:51,797 INFO L226 Difference]: Without dead ends: 38762 [2021-11-05 20:42:51,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.62ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 20:42:51,818 INFO L933 BasicCegarLoop]: 7099 mSDtfsCounter, 7037 mSDsluCounter, 7039 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7037 SdHoareTripleChecker+Valid, 14138 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.60ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.74ms IncrementalHoareTripleChecker+Time [2021-11-05 20:42:51,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7037 Valid, 14138 Invalid, 68 Unknown, 0 Unchecked, 12.60ms Time], IncrementalHoareTripleChecker [24 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 34.74ms Time] [2021-11-05 20:42:51,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38762 states. [2021-11-05 20:42:52,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38762 to 38762. [2021-11-05 20:42:52,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38762 states, 38690 states have (on average 1.2740242956836392) internal successors, (49292), 38761 states have internal predecessors, (49292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:52,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38762 states to 38762 states and 49292 transitions. [2021-11-05 20:42:52,714 INFO L78 Accepts]: Start accepts. Automaton has 38762 states and 49292 transitions. Word has length 74 [2021-11-05 20:42:52,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:42:52,714 INFO L470 AbstractCegarLoop]: Abstraction has 38762 states and 49292 transitions. [2021-11-05 20:42:52,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:52,714 INFO L276 IsEmpty]: Start isEmpty. Operand 38762 states and 49292 transitions. [2021-11-05 20:42:52,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-05 20:42:52,715 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:42:52,715 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:42:52,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-05 20:42:52,716 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-05 20:42:52,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:42:52,716 INFO L85 PathProgramCache]: Analyzing trace with hash 195437324, now seen corresponding path program 1 times [2021-11-05 20:42:52,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:42:52,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737905187] [2021-11-05 20:42:52,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:42:52,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:42:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:42:52,819 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 20:42:52,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:42:52,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737905187] [2021-11-05 20:42:52,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737905187] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:42:52,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:42:52,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:42:52,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20230463] [2021-11-05 20:42:52,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:42:52,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 20:42:52,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:42:52,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 20:42:52,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 20:42:52,822 INFO L87 Difference]: Start difference. First operand 38762 states and 49292 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:53,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:42:53,483 INFO L93 Difference]: Finished difference Result 38762 states and 49292 transitions. [2021-11-05 20:42:53,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 20:42:53,483 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 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 76 [2021-11-05 20:42:53,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:42:53,555 INFO L225 Difference]: With dead ends: 38762 [2021-11-05 20:42:53,555 INFO L226 Difference]: Without dead ends: 38758 [2021-11-05 20:42:53,574 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.59ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 20:42:53,576 INFO L933 BasicCegarLoop]: 7095 mSDtfsCounter, 7031 mSDsluCounter, 7037 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7031 SdHoareTripleChecker+Valid, 14132 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.90ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.70ms IncrementalHoareTripleChecker+Time [2021-11-05 20:42:53,577 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7031 Valid, 14132 Invalid, 66 Unknown, 0 Unchecked, 9.90ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 41.70ms Time] [2021-11-05 20:42:53,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38758 states. [2021-11-05 20:42:54,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38758 to 38758. [2021-11-05 20:42:54,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38758 states, 38688 states have (on average 1.2739867659222497) internal successors, (49288), 38757 states have internal predecessors, (49288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:54,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38758 states to 38758 states and 49288 transitions. [2021-11-05 20:42:54,661 INFO L78 Accepts]: Start accepts. Automaton has 38758 states and 49288 transitions. Word has length 76 [2021-11-05 20:42:54,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:42:54,661 INFO L470 AbstractCegarLoop]: Abstraction has 38758 states and 49288 transitions. [2021-11-05 20:42:54,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:54,661 INFO L276 IsEmpty]: Start isEmpty. Operand 38758 states and 49288 transitions. [2021-11-05 20:42:54,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-05 20:42:54,662 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:42:54,663 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:42:54,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-05 20:42:54,663 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-05 20:42:54,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:42:54,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1163150705, now seen corresponding path program 1 times [2021-11-05 20:42:54,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:42:54,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595284886] [2021-11-05 20:42:54,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:42:54,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:42:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:42:54,764 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 20:42:54,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:42:54,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595284886] [2021-11-05 20:42:54,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595284886] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:42:54,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:42:54,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:42:54,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442569449] [2021-11-05 20:42:54,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:42:54,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 20:42:54,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:42:54,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 20:42:54,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 20:42:54,767 INFO L87 Difference]: Start difference. First operand 38758 states and 49288 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:55,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:42:55,447 INFO L93 Difference]: Finished difference Result 38758 states and 49288 transitions. [2021-11-05 20:42:55,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 20:42:55,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-11-05 20:42:55,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:42:55,503 INFO L225 Difference]: With dead ends: 38758 [2021-11-05 20:42:55,503 INFO L226 Difference]: Without dead ends: 38754 [2021-11-05 20:42:55,518 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.94ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 20:42:55,518 INFO L933 BasicCegarLoop]: 7091 mSDtfsCounter, 7025 mSDsluCounter, 7035 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7025 SdHoareTripleChecker+Valid, 14126 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.74ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.77ms IncrementalHoareTripleChecker+Time [2021-11-05 20:42:55,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7025 Valid, 14126 Invalid, 64 Unknown, 0 Unchecked, 9.74ms Time], IncrementalHoareTripleChecker [24 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 34.77ms Time] [2021-11-05 20:42:55,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38754 states. [2021-11-05 20:42:56,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38754 to 38754. [2021-11-05 20:42:56,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38754 states, 38686 states have (on average 1.2739492322804116) internal successors, (49284), 38753 states have internal predecessors, (49284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:56,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38754 states to 38754 states and 49284 transitions. [2021-11-05 20:42:56,528 INFO L78 Accepts]: Start accepts. Automaton has 38754 states and 49284 transitions. Word has length 78 [2021-11-05 20:42:56,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:42:56,529 INFO L470 AbstractCegarLoop]: Abstraction has 38754 states and 49284 transitions. [2021-11-05 20:42:56,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:56,529 INFO L276 IsEmpty]: Start isEmpty. Operand 38754 states and 49284 transitions. [2021-11-05 20:42:56,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-05 20:42:56,530 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:42:56,530 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:42:56,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-05 20:42:56,531 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-05 20:42:56,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:42:56,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1096188270, now seen corresponding path program 1 times [2021-11-05 20:42:56,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:42:56,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652070351] [2021-11-05 20:42:56,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:42:56,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:42:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:42:56,630 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 20:42:56,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:42:56,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652070351] [2021-11-05 20:42:56,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652070351] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:42:56,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:42:56,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:42:56,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123007180] [2021-11-05 20:42:56,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:42:56,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 20:42:56,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:42:56,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 20:42:56,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 20:42:56,632 INFO L87 Difference]: Start difference. First operand 38754 states and 49284 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:57,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:42:57,495 INFO L93 Difference]: Finished difference Result 38754 states and 49284 transitions. [2021-11-05 20:42:57,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 20:42:57,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-11-05 20:42:57,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:42:57,552 INFO L225 Difference]: With dead ends: 38754 [2021-11-05 20:42:57,552 INFO L226 Difference]: Without dead ends: 38750 [2021-11-05 20:42:57,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.16ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 20:42:57,572 INFO L933 BasicCegarLoop]: 7087 mSDtfsCounter, 7019 mSDsluCounter, 7033 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7019 SdHoareTripleChecker+Valid, 14120 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.03ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.29ms IncrementalHoareTripleChecker+Time [2021-11-05 20:42:57,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7019 Valid, 14120 Invalid, 62 Unknown, 0 Unchecked, 11.03ms Time], IncrementalHoareTripleChecker [24 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 38.29ms Time] [2021-11-05 20:42:57,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38750 states. [2021-11-05 20:42:58,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38750 to 38750. [2021-11-05 20:42:58,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38750 states, 38684 states have (on average 1.2739116947575224) internal successors, (49280), 38749 states have internal predecessors, (49280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:58,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38750 states to 38750 states and 49280 transitions. [2021-11-05 20:42:58,577 INFO L78 Accepts]: Start accepts. Automaton has 38750 states and 49280 transitions. Word has length 80 [2021-11-05 20:42:58,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:42:58,577 INFO L470 AbstractCegarLoop]: Abstraction has 38750 states and 49280 transitions. [2021-11-05 20:42:58,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:42:58,578 INFO L276 IsEmpty]: Start isEmpty. Operand 38750 states and 49280 transitions. [2021-11-05 20:42:58,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-05 20:42:58,579 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:42:58,579 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:42:58,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-05 20:42:58,579 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-05 20:42:58,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:42:58,579 INFO L85 PathProgramCache]: Analyzing trace with hash 234420320, now seen corresponding path program 1 times [2021-11-05 20:42:58,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:42:58,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879011775] [2021-11-05 20:42:58,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:42:58,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:42:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:42:58,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 20:42:58,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:42:58,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879011775] [2021-11-05 20:42:58,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879011775] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:42:58,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:42:58,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:42:58,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712455266] [2021-11-05 20:42:58,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:42:58,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:42:58,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:42:58,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:42:58,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:42:58,666 INFO L87 Difference]: Start difference. First operand 38750 states and 49280 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:43:00,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:43:00,465 INFO L93 Difference]: Finished difference Result 85238 states and 108655 transitions. [2021-11-05 20:43:00,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:43:00,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-11-05 20:43:00,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:43:00,541 INFO L225 Difference]: With dead ends: 85238 [2021-11-05 20:43:00,541 INFO L226 Difference]: Without dead ends: 46618 [2021-11-05 20:43:00,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.23ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:43:00,595 INFO L933 BasicCegarLoop]: 9475 mSDtfsCounter, 2561 mSDsluCounter, 6982 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 498.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2561 SdHoareTripleChecker+Valid, 16457 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.54ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 545.51ms IncrementalHoareTripleChecker+Time [2021-11-05 20:43:00,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2561 Valid, 16457 Invalid, 94 Unknown, 0 Unchecked, 9.54ms Time], IncrementalHoareTripleChecker [19 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 545.51ms Time] [2021-11-05 20:43:00,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46618 states. [2021-11-05 20:43:01,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46618 to 46506. [2021-11-05 20:43:02,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46506 states, 46440 states have (on average 1.277433247200689) internal successors, (59324), 46505 states have internal predecessors, (59324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:43:02,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46506 states to 46506 states and 59324 transitions. [2021-11-05 20:43:02,067 INFO L78 Accepts]: Start accepts. Automaton has 46506 states and 59324 transitions. Word has length 81 [2021-11-05 20:43:02,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:43:02,067 INFO L470 AbstractCegarLoop]: Abstraction has 46506 states and 59324 transitions. [2021-11-05 20:43:02,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:43:02,067 INFO L276 IsEmpty]: Start isEmpty. Operand 46506 states and 59324 transitions. [2021-11-05 20:43:02,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-05 20:43:02,068 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:43:02,068 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 20:43:02,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-05 20:43:02,068 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 75 more)] === [2021-11-05 20:43:02,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:43:02,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1169797355, now seen corresponding path program 1 times [2021-11-05 20:43:02,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:43:02,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225571495] [2021-11-05 20:43:02,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:43:02,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:43:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:43:02,166 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 20:43:02,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:43:02,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225571495] [2021-11-05 20:43:02,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225571495] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:43:02,166 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:43:02,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:43:02,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774320112] [2021-11-05 20:43:02,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:43:02,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 20:43:02,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:43:02,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 20:43:02,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 20:43:02,168 INFO L87 Difference]: Start difference. First operand 46506 states and 59324 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:43:03,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:43:03,200 INFO L93 Difference]: Finished difference Result 46506 states and 59324 transitions. [2021-11-05 20:43:03,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 20:43:03,201 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-11-05 20:43:03,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:43:03,266 INFO L225 Difference]: With dead ends: 46506 [2021-11-05 20:43:03,266 INFO L226 Difference]: Without dead ends: 46502 [2021-11-05 20:43:03,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.56ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 20:43:03,282 INFO L933 BasicCegarLoop]: 7031 mSDtfsCounter, 1580 mSDsluCounter, 12302 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 128.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 19333 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.37ms SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 161.58ms IncrementalHoareTripleChecker+Time [2021-11-05 20:43:03,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1580 Valid, 19333 Invalid, 274 Unknown, 0 Unchecked, 9.37ms Time], IncrementalHoareTripleChecker [52 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 161.58ms Time] [2021-11-05 20:43:03,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46502 states.