./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-intel-ixgbevf-ixgbevf.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4d014703 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-ixgbevf-ixgbevf.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 2ff699a14ff18600b4164aac890b6c04e9203457f89a66ec1bef9ac9dce5edac --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-4d01470 [2021-11-03 00:42:13,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 00:42:13,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 00:42:13,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 00:42:13,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 00:42:13,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 00:42:13,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 00:42:13,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 00:42:13,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 00:42:13,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 00:42:13,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 00:42:13,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 00:42:13,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 00:42:13,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 00:42:13,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 00:42:13,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 00:42:13,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 00:42:13,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 00:42:13,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 00:42:13,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 00:42:13,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 00:42:13,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 00:42:13,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 00:42:13,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 00:42:13,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 00:42:13,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 00:42:13,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 00:42:13,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 00:42:13,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 00:42:13,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 00:42:13,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 00:42:13,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 00:42:13,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 00:42:13,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 00:42:13,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 00:42:13,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 00:42:13,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 00:42:13,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 00:42:13,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 00:42:13,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 00:42:13,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 00:42:13,110 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-03 00:42:13,124 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 00:42:13,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 00:42:13,125 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-03 00:42:13,125 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-03 00:42:13,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-03 00:42:13,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-03 00:42:13,126 INFO L138 SettingsManager]: * Use SBE=true [2021-11-03 00:42:13,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 00:42:13,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 00:42:13,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 00:42:13,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 00:42:13,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 00:42:13,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 00:42:13,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 00:42:13,128 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 00:42:13,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 00:42:13,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 00:42:13,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 00:42:13,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 00:42:13,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 00:42:13,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 00:42:13,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 00:42:13,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 00:42:13,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-03 00:42:13,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 00:42:13,130 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-03 00:42:13,130 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-03 00:42:13,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 00:42:13,130 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 00:42:13,130 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ff699a14ff18600b4164aac890b6c04e9203457f89a66ec1bef9ac9dce5edac [2021-11-03 00:42:13,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 00:42:13,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 00:42:13,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 00:42:13,320 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 00:42:13,323 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 00:42:13,324 INFO L432 ainManager$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-intel-ixgbevf-ixgbevf.cil.i [2021-11-03 00:42:13,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7838dddbd/fa61e552825b41f7be492150a37939a4/FLAG7fcf28de2 [2021-11-03 00:42:14,031 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 00:42:14,032 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-intel-ixgbevf-ixgbevf.cil.i [2021-11-03 00:42:14,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7838dddbd/fa61e552825b41f7be492150a37939a4/FLAG7fcf28de2 [2021-11-03 00:42:14,121 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7838dddbd/fa61e552825b41f7be492150a37939a4 [2021-11-03 00:42:14,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 00:42:14,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 00:42:14,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 00:42:14,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 00:42:14,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 00:42:14,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:42:14" (1/1) ... [2021-11-03 00:42:14,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e10580c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:42:14, skipping insertion in model container [2021-11-03 00:42:14,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:42:14" (1/1) ... [2021-11-03 00:42:14,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 00:42:14,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 00:42:19,100 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-intel-ixgbevf-ixgbevf.cil.i[555016,555029] [2021-11-03 00:42:19,102 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-intel-ixgbevf-ixgbevf.cil.i[555185,555198] [2021-11-03 00:42:19,103 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-intel-ixgbevf-ixgbevf.cil.i[555352,555365] [2021-11-03 00:42:19,103 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-intel-ixgbevf-ixgbevf.cil.i[555520,555533] [2021-11-03 00:42:19,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 00:42:19,185 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 00:42:19,702 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-intel-ixgbevf-ixgbevf.cil.i[555016,555029] [2021-11-03 00:42:19,703 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-intel-ixgbevf-ixgbevf.cil.i[555185,555198] [2021-11-03 00:42:19,703 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-intel-ixgbevf-ixgbevf.cil.i[555352,555365] [2021-11-03 00:42:19,704 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-intel-ixgbevf-ixgbevf.cil.i[555520,555533] [2021-11-03 00:42:19,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 00:42:19,936 INFO L208 MainTranslator]: Completed translation [2021-11-03 00:42:19,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:42:19 WrapperNode [2021-11-03 00:42:19,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 00:42:19,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 00:42:19,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 00:42:19,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 00:42:19,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:42:19" (1/1) ... [2021-11-03 00:42:20,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:42:19" (1/1) ... [2021-11-03 00:42:21,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 00:42:21,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 00:42:21,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 00:42:21,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 00:42:21,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:42:19" (1/1) ... [2021-11-03 00:42:21,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:42:19" (1/1) ... [2021-11-03 00:42:21,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:42:19" (1/1) ... [2021-11-03 00:42:21,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:42:19" (1/1) ... [2021-11-03 00:42:22,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:42:19" (1/1) ... [2021-11-03 00:42:22,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:42:19" (1/1) ... [2021-11-03 00:42:23,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:42:19" (1/1) ... [2021-11-03 00:42:23,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 00:42:23,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 00:42:23,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 00:42:23,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 00:42:23,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:42:19" (1/1) ... [2021-11-03 00:42:23,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 00:42:23,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-03 00:42:23,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 00:42:23,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 00:42:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_poll_for_ack [2021-11-03 00:42:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_poll_for_ack [2021-11-03 00:42:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 00:42:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_read_posted_mbx [2021-11-03 00:42:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_read_posted_mbx [2021-11-03 00:42:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-03 00:42:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-03 00:42:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 00:42:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 00:42:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 00:42:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-03 00:42:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_init_hw_vf [2021-11-03 00:42:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_init_hw_vf [2021-11-03 00:42:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_write_posted_mbx [2021-11-03 00:42:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_write_posted_mbx [2021-11-03 00:42:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~s32~0 [2021-11-03 00:42:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~s32~0 [2021-11-03 00:42:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 00:42:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 00:42:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-03 00:42:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-03 00:42:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-03 00:42:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_poll_for_msg [2021-11-03 00:42:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_poll_for_msg [2021-11-03 00:42:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 00:42:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 00:42:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2021-11-03 00:42:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2021-11-03 00:42:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 00:42:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_write_msg_read_ack [2021-11-03 00:42:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_write_msg_read_ack [2021-11-03 00:42:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2021-11-03 00:42:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2021-11-03 00:42:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_update_mc_addr_list_vf [2021-11-03 00:42:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_update_mc_addr_list_vf [2021-11-03 00:42:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 00:42:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_reset_hw_vf [2021-11-03 00:42:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_reset_hw_vf [2021-11-03 00:42:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 00:44:58,936 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-03 00:44:58,936 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2021-11-03 00:44:58,936 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res := 0; [2021-11-03 00:44:58,937 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-03 00:44:58,937 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-03 00:44:58,939 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break: ldv_switch_2_#res := 0; [2021-11-03 00:44:58,940 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-03 00:44:58,942 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-03 00:44:59,016 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 00:44:59,017 INFO L299 CfgBuilder]: Removed 13444 assume(true) statements. [2021-11-03 00:44:59,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:44:59 BoogieIcfgContainer [2021-11-03 00:44:59,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 00:44:59,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 00:44:59,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 00:44:59,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 00:44:59,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:42:14" (1/3) ... [2021-11-03 00:44:59,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7212c1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:44:59, skipping insertion in model container [2021-11-03 00:44:59,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:42:19" (2/3) ... [2021-11-03 00:44:59,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7212c1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:44:59, skipping insertion in model container [2021-11-03 00:44:59,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:44:59" (3/3) ... [2021-11-03 00:44:59,039 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i [2021-11-03 00:44:59,043 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 00:44:59,044 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 248 error locations. [2021-11-03 00:44:59,115 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 00:44:59,122 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 00:44:59,123 INFO L340 AbstractCegarLoop]: Starting to check reachability of 248 error locations. [2021-11-03 00:44:59,281 INFO L276 IsEmpty]: Start isEmpty. Operand has 14124 states, 13573 states have (on average 1.3597583437707212) internal successors, (18456), 13820 states have internal predecessors, (18456), 292 states have call successors, (292), 11 states have call predecessors, (292), 11 states have return successors, (292), 292 states have call predecessors, (292), 292 states have call successors, (292) [2021-11-03 00:44:59,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-03 00:44:59,299 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:44:59,299 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 00:44:59,300 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 245 more)] === [2021-11-03 00:44:59,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:44:59,304 INFO L85 PathProgramCache]: Analyzing trace with hash 181239163, now seen corresponding path program 1 times [2021-11-03 00:44:59,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:44:59,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231329574] [2021-11-03 00:44:59,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:44:59,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:44:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:45:00,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 00:45:00,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:45:00,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231329574] [2021-11-03 00:45:00,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231329574] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:45:00,184 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:45:00,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:45:00,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275047600] [2021-11-03 00:45:00,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 00:45:00,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:45:00,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 00:45:00,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:45:00,229 INFO L87 Difference]: Start difference. First operand has 14124 states, 13573 states have (on average 1.3597583437707212) internal successors, (18456), 13820 states have internal predecessors, (18456), 292 states have call successors, (292), 11 states have call predecessors, (292), 11 states have return successors, (292), 292 states have call predecessors, (292), 292 states have call successors, (292) Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:45:02,387 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:45:11,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:45:14,243 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:45:22,271 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:45:25,469 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:45:55,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:45:55,664 INFO L93 Difference]: Finished difference Result 40753 states and 54822 transitions. [2021-11-03 00:45:55,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 00:45:55,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-11-03 00:45:55,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:45:55,804 INFO L225 Difference]: With dead ends: 40753 [2021-11-03 00:45:55,804 INFO L226 Difference]: Without dead ends: 25977 [2021-11-03 00:45:55,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.11ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:45:55,865 INFO L933 BasicCegarLoop]: 1388 mSDtfsCounter, 17215 mSDsluCounter, 18048 mSDsCounter, 0 mSdLazyCounter, 33982 mSolverCounterSat, 7 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47278.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 17215 SdHoareTripleChecker+Valid, 2479 SdHoareTripleChecker+Invalid, 33994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 95.67ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33982 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53942.09ms IncrementalHoareTripleChecker+Time [2021-11-03 00:45:55,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17215 Valid, 2479 Invalid, 33994 Unknown, 0 Unchecked, 95.67ms Time], IncrementalHoareTripleChecker [7 Valid, 33982 Invalid, 5 Unknown, 0 Unchecked, 53942.09ms Time] [2021-11-03 00:45:55,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25977 states. [2021-11-03 00:45:56,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25977 to 25468. [2021-11-03 00:45:56,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25468 states, 24614 states have (on average 1.2958478914438938) internal successors, (31896), 24861 states have internal predecessors, (31896), 584 states have call successors, (584), 22 states have call predecessors, (584), 22 states have return successors, (584), 584 states have call predecessors, (584), 584 states have call successors, (584) [2021-11-03 00:45:56,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25468 states to 25468 states and 33064 transitions. [2021-11-03 00:45:56,714 INFO L78 Accepts]: Start accepts. Automaton has 25468 states and 33064 transitions. Word has length 105 [2021-11-03 00:45:56,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:45:56,716 INFO L470 AbstractCegarLoop]: Abstraction has 25468 states and 33064 transitions. [2021-11-03 00:45:56,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:45:56,718 INFO L276 IsEmpty]: Start isEmpty. Operand 25468 states and 33064 transitions. [2021-11-03 00:45:56,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-03 00:45:56,721 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:45:56,722 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 00:45:56,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 00:45:56,724 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr162ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 245 more)] === [2021-11-03 00:45:56,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:45:56,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1940933402, now seen corresponding path program 1 times [2021-11-03 00:45:56,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:45:56,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809341448] [2021-11-03 00:45:56,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:45:56,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:45:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:45:57,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 00:45:57,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:45:57,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809341448] [2021-11-03 00:45:57,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809341448] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:45:57,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:45:57,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:45:57,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171926612] [2021-11-03 00:45:57,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 00:45:57,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:45:57,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 00:45:57,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:45:57,319 INFO L87 Difference]: Start difference. First operand 25468 states and 33064 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:45:59,402 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:46:07,493 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:46:09,838 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:46:17,985 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:46:21,785 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:46:49,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:46:49,174 INFO L93 Difference]: Finished difference Result 47068 states and 61039 transitions. [2021-11-03 00:46:49,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 00:46:49,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2021-11-03 00:46:49,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:46:49,230 INFO L225 Difference]: With dead ends: 47068 [2021-11-03 00:46:49,230 INFO L226 Difference]: Without dead ends: 21836 [2021-11-03 00:46:49,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.70ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:46:49,287 INFO L933 BasicCegarLoop]: 696 mSDtfsCounter, 5829 mSDsluCounter, 16885 mSDsCounter, 0 mSdLazyCounter, 32857 mSolverCounterSat, 21 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44809.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5829 SdHoareTripleChecker+Valid, 1280 SdHoareTripleChecker+Invalid, 32883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 67.87ms SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 32857 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50902.20ms IncrementalHoareTripleChecker+Time [2021-11-03 00:46:49,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5829 Valid, 1280 Invalid, 32883 Unknown, 0 Unchecked, 67.87ms Time], IncrementalHoareTripleChecker [21 Valid, 32857 Invalid, 5 Unknown, 0 Unchecked, 50902.20ms Time] [2021-11-03 00:46:49,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21836 states. [2021-11-03 00:46:49,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21836 to 21529. [2021-11-03 00:46:49,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21529 states, 20732 states have (on average 1.2973181555083928) internal successors, (26896), 20979 states have internal predecessors, (26896), 516 states have call successors, (516), 33 states have call predecessors, (516), 33 states have return successors, (516), 516 states have call predecessors, (516), 516 states have call successors, (516) [2021-11-03 00:46:49,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21529 states to 21529 states and 27928 transitions. [2021-11-03 00:46:49,861 INFO L78 Accepts]: Start accepts. Automaton has 21529 states and 27928 transitions. Word has length 113 [2021-11-03 00:46:49,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:46:49,862 INFO L470 AbstractCegarLoop]: Abstraction has 21529 states and 27928 transitions. [2021-11-03 00:46:49,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:46:49,862 INFO L276 IsEmpty]: Start isEmpty. Operand 21529 states and 27928 transitions. [2021-11-03 00:46:49,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-03 00:46:49,865 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:46:49,865 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 00:46:49,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 00:46:49,866 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 245 more)] === [2021-11-03 00:46:49,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:46:49,866 INFO L85 PathProgramCache]: Analyzing trace with hash 809798743, now seen corresponding path program 1 times [2021-11-03 00:46:49,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:46:49,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159899341] [2021-11-03 00:46:49,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:46:49,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:46:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:46:50,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 00:46:50,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:46:50,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159899341] [2021-11-03 00:46:50,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159899341] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:46:50,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:46:50,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:46:50,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203852795] [2021-11-03 00:46:50,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 00:46:50,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:46:50,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 00:46:50,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:46:50,230 INFO L87 Difference]: Start difference. First operand 21529 states and 27928 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:46:52,305 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:47:21,642 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:47:24,015 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:47:32,147 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:47:34,751 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:48:11,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:48:11,211 INFO L93 Difference]: Finished difference Result 49557 states and 64113 transitions. [2021-11-03 00:48:11,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 00:48:11,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2021-11-03 00:48:11,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:48:11,284 INFO L225 Difference]: With dead ends: 49557 [2021-11-03 00:48:11,284 INFO L226 Difference]: Without dead ends: 28264 [2021-11-03 00:48:11,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.57ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:48:11,336 INFO L933 BasicCegarLoop]: 797 mSDtfsCounter, 11923 mSDsluCounter, 16983 mSDsCounter, 0 mSdLazyCounter, 32985 mSolverCounterSat, 7 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69641.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11923 SdHoareTripleChecker+Valid, 1381 SdHoareTripleChecker+Invalid, 32997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 90.56ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32985 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 79547.37ms IncrementalHoareTripleChecker+Time [2021-11-03 00:48:11,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11923 Valid, 1381 Invalid, 32997 Unknown, 0 Unchecked, 90.56ms Time], IncrementalHoareTripleChecker [7 Valid, 32985 Invalid, 5 Unknown, 0 Unchecked, 79547.37ms Time] [2021-11-03 00:48:11,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28264 states. [2021-11-03 00:48:11,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28264 to 27531. [2021-11-03 00:48:11,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27531 states, 26545 states have (on average 1.2960632887549444) internal successors, (34404), 26792 states have internal predecessors, (34404), 683 states have call successors, (683), 55 states have call predecessors, (683), 55 states have return successors, (683), 683 states have call predecessors, (683), 683 states have call successors, (683) [2021-11-03 00:48:12,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27531 states to 27531 states and 35770 transitions. [2021-11-03 00:48:12,010 INFO L78 Accepts]: Start accepts. Automaton has 27531 states and 35770 transitions. Word has length 119 [2021-11-03 00:48:12,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:48:12,011 INFO L470 AbstractCegarLoop]: Abstraction has 27531 states and 35770 transitions. [2021-11-03 00:48:12,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:48:12,012 INFO L276 IsEmpty]: Start isEmpty. Operand 27531 states and 35770 transitions. [2021-11-03 00:48:12,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-03 00:48:12,016 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:48:12,016 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 00:48:12,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-03 00:48:12,017 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 245 more)] === [2021-11-03 00:48:12,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:48:12,017 INFO L85 PathProgramCache]: Analyzing trace with hash -80279301, now seen corresponding path program 1 times [2021-11-03 00:48:12,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:48:12,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898676124] [2021-11-03 00:48:12,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:48:12,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:48:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:48:12,364 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 00:48:12,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:48:12,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898676124] [2021-11-03 00:48:12,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898676124] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:48:12,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:48:12,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:48:12,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980106747] [2021-11-03 00:48:12,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 00:48:12,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:48:12,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 00:48:12,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:48:12,367 INFO L87 Difference]: Start difference. First operand 27531 states and 35770 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:48:14,446 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:49:07,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:49:09,271 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:49:16,558 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:49:20,077 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:50:01,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:50:01,234 INFO L93 Difference]: Finished difference Result 80116 states and 104236 transitions. [2021-11-03 00:50:01,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 00:50:01,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2021-11-03 00:50:01,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:50:01,379 INFO L225 Difference]: With dead ends: 80116 [2021-11-03 00:50:01,379 INFO L226 Difference]: Without dead ends: 53557 [2021-11-03 00:50:01,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.58ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:50:01,447 INFO L933 BasicCegarLoop]: 909 mSDtfsCounter, 16316 mSDsluCounter, 17053 mSDsCounter, 0 mSdLazyCounter, 33879 mSolverCounterSat, 5 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89559.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16316 SdHoareTripleChecker+Valid, 1493 SdHoareTripleChecker+Invalid, 33889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 124.65ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 33879 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 106406.31ms IncrementalHoareTripleChecker+Time [2021-11-03 00:50:01,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16316 Valid, 1493 Invalid, 33889 Unknown, 0 Unchecked, 124.65ms Time], IncrementalHoareTripleChecker [5 Valid, 33879 Invalid, 5 Unknown, 0 Unchecked, 106406.31ms Time] [2021-11-03 00:50:01,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53557 states. [2021-11-03 00:50:02,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53557 to 53048. [2021-11-03 00:50:02,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53048 states, 51368 states have (on average 1.2978897368011213) internal successors, (66670), 51615 states have internal predecessors, (66670), 1333 states have call successors, (1333), 99 states have call predecessors, (1333), 99 states have return successors, (1333), 1333 states have call predecessors, (1333), 1333 states have call successors, (1333) [2021-11-03 00:50:02,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53048 states to 53048 states and 69336 transitions. [2021-11-03 00:50:02,681 INFO L78 Accepts]: Start accepts. Automaton has 53048 states and 69336 transitions. Word has length 134 [2021-11-03 00:50:02,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:50:02,681 INFO L470 AbstractCegarLoop]: Abstraction has 53048 states and 69336 transitions. [2021-11-03 00:50:02,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:50:02,681 INFO L276 IsEmpty]: Start isEmpty. Operand 53048 states and 69336 transitions. [2021-11-03 00:50:02,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-03 00:50:02,685 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:50:02,685 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 00:50:02,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-03 00:50:02,685 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 245 more)] === [2021-11-03 00:50:02,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:50:02,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1360142979, now seen corresponding path program 1 times [2021-11-03 00:50:02,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:50:02,686 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993586560] [2021-11-03 00:50:02,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:50:02,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:50:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:50:03,009 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 00:50:03,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:50:03,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993586560] [2021-11-03 00:50:03,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993586560] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:50:03,010 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:50:03,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:50:03,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731032292] [2021-11-03 00:50:03,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 00:50:03,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:50:03,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 00:50:03,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:50:03,011 INFO L87 Difference]: Start difference. First operand 53048 states and 69336 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:50:05,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:51:24,941 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:51:27,326 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:51:38,320 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:51:42,204 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:52:45,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:52:45,694 INFO L93 Difference]: Finished difference Result 131154 states and 171376 transitions. [2021-11-03 00:52:45,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 00:52:45,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2021-11-03 00:52:45,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:52:45,919 INFO L225 Difference]: With dead ends: 131154 [2021-11-03 00:52:45,919 INFO L226 Difference]: Without dead ends: 79078 [2021-11-03 00:52:46,062 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.74ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 00:52:46,062 INFO L933 BasicCegarLoop]: 1168 mSDtfsCounter, 16378 mSDsluCounter, 16992 mSDsCounter, 0 mSdLazyCounter, 48653 mSolverCounterSat, 6 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 129894.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16378 SdHoareTripleChecker+Valid, 1752 SdHoareTripleChecker+Invalid, 48664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 195.72ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 48653 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 159188.11ms IncrementalHoareTripleChecker+Time [2021-11-03 00:52:46,063 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16378 Valid, 1752 Invalid, 48664 Unknown, 0 Unchecked, 195.72ms Time], IncrementalHoareTripleChecker [6 Valid, 48653 Invalid, 5 Unknown, 0 Unchecked, 159188.11ms Time] [2021-11-03 00:52:46,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79078 states. [2021-11-03 00:52:47,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79078 to 78548. [2021-11-03 00:52:47,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78548 states, 76174 states have (on average 1.2985926956704388) internal successors, (98919), 76421 states have internal predecessors, (98919), 1983 states have call successors, (1983), 143 states have call predecessors, (1983), 143 states have return successors, (1983), 1983 states have call predecessors, (1983), 1983 states have call successors, (1983) [2021-11-03 00:52:47,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78548 states to 78548 states and 102885 transitions. [2021-11-03 00:52:47,973 INFO L78 Accepts]: Start accepts. Automaton has 78548 states and 102885 transitions. Word has length 134 [2021-11-03 00:52:47,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 00:52:47,974 INFO L470 AbstractCegarLoop]: Abstraction has 78548 states and 102885 transitions. [2021-11-03 00:52:47,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:52:47,974 INFO L276 IsEmpty]: Start isEmpty. Operand 78548 states and 102885 transitions. [2021-11-03 00:52:47,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-03 00:52:47,977 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 00:52:47,978 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 00:52:47,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-03 00:52:47,978 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 245 more)] === [2021-11-03 00:52:47,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 00:52:47,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1731605693, now seen corresponding path program 1 times [2021-11-03 00:52:47,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 00:52:47,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459569105] [2021-11-03 00:52:47,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 00:52:47,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 00:52:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 00:52:48,375 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-03 00:52:48,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 00:52:48,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459569105] [2021-11-03 00:52:48,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459569105] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 00:52:48,376 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 00:52:48,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 00:52:48,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522052074] [2021-11-03 00:52:48,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 00:52:48,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 00:52:48,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 00:52:48,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 00:52:48,378 INFO L87 Difference]: Start difference. First operand 78548 states and 102885 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 00:52:50,471 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:53:45,355 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:53:47,677 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:53:59,541 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:54:09,670 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 00:55:45,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 00:55:45,391 INFO L93 Difference]: Finished difference Result 154743 states and 202875 transitions. [2021-11-03 00:55:45,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 00:55:45,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 135 [2021-11-03 00:55:45,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 00:55:45,888 INFO L225 Difference]: With dead ends: 154743 [2021-11-03 00:55:45,888 INFO L226 Difference]: Without dead ends: 154737 [2021-11-03 00:55:45,945 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.85ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 00:55:45,945 INFO L933 BasicCegarLoop]: 876 mSDtfsCounter, 16472 mSDsluCounter, 33910 mSDsCounter, 0 mSdLazyCounter, 49134 mSolverCounterSat, 104 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 137318.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16472 SdHoareTripleChecker+Valid, 2336 SdHoareTripleChecker+Invalid, 49243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 281.49ms SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 49134 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 172834.06ms IncrementalHoareTripleChecker+Time [2021-11-03 00:55:45,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16472 Valid, 2336 Invalid, 49243 Unknown, 0 Unchecked, 281.49ms Time], IncrementalHoareTripleChecker [104 Valid, 49134 Invalid, 5 Unknown, 0 Unchecked, 172834.06ms Time] [2021-11-03 00:55:46,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154737 states. [2021-11-03 00:55:48,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154737 to 153606. Killed by 15