./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-wireless-cw1200-cw1200_wlan_spi.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-wireless-cw1200-cw1200_wlan_spi.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 0cef07d7f0384d28cd6187dbf399ce04548d86cf40895859810995ce7f7f2ba4 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 20:54:23,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 20:54:23,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 20:54:23,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 20:54:23,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 20:54:23,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 20:54:23,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 20:54:23,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 20:54:23,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 20:54:23,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 20:54:23,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 20:54:23,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 20:54:23,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 20:54:23,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 20:54:23,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 20:54:23,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 20:54:23,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 20:54:23,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 20:54:23,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 20:54:23,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 20:54:23,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 20:54:23,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 20:54:23,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 20:54:23,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 20:54:23,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 20:54:23,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 20:54:23,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 20:54:23,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 20:54:23,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 20:54:23,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 20:54:23,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 20:54:23,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 20:54:23,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 20:54:23,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 20:54:23,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 20:54:23,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 20:54:23,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 20:54:23,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 20:54:23,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 20:54:23,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 20:54:23,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 20:54:23,498 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 20:54:23,517 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 20:54:23,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 20:54:23,518 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 20:54:23,518 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 20:54:23,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 20:54:23,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 20:54:23,519 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 20:54:23,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 20:54:23,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 20:54:23,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 20:54:23,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 20:54:23,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 20:54:23,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 20:54:23,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 20:54:23,521 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 20:54:23,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 20:54:23,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 20:54:23,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 20:54:23,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 20:54:23,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 20:54:23,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 20:54:23,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 20:54:23,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 20:54:23,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 20:54:23,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 20:54:23,522 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 20:54:23,522 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 20:54:23,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 20:54:23,523 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 20:54:23,523 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cef07d7f0384d28cd6187dbf399ce04548d86cf40895859810995ce7f7f2ba4 [2021-11-05 20:54:23,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 20:54:23,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 20:54:23,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 20:54:23,776 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 20:54:23,776 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 20:54:23,779 INFO L432 ainManager$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-wireless-cw1200-cw1200_wlan_spi.cil.i [2021-11-05 20:54:23,825 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae467496a/d2eeb513193845a1a26642ab5aaa79ca/FLAGecf840418 [2021-11-05 20:54:24,447 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 20:54:24,447 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-wireless-cw1200-cw1200_wlan_spi.cil.i [2021-11-05 20:54:24,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae467496a/d2eeb513193845a1a26642ab5aaa79ca/FLAGecf840418 [2021-11-05 20:54:24,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae467496a/d2eeb513193845a1a26642ab5aaa79ca [2021-11-05 20:54:24,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 20:54:24,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 20:54:24,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 20:54:24,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 20:54:24,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 20:54:24,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:54:24" (1/1) ... [2021-11-05 20:54:24,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da7b6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:54:24, skipping insertion in model container [2021-11-05 20:54:24,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:54:24" (1/1) ... [2021-11-05 20:54:24,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 20:54:24,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 20:54:25,907 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-wireless-cw1200-cw1200_wlan_spi.cil.i[292189,292202] [2021-11-05 20:54:25,910 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-wireless-cw1200-cw1200_wlan_spi.cil.i[292358,292371] [2021-11-05 20:54:25,914 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-wireless-cw1200-cw1200_wlan_spi.cil.i[292525,292538] [2021-11-05 20:54:25,915 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-wireless-cw1200-cw1200_wlan_spi.cil.i[292693,292706] [2021-11-05 20:54:25,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 20:54:25,936 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 20:54:26,196 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-wireless-cw1200-cw1200_wlan_spi.cil.i[292189,292202] [2021-11-05 20:54:26,197 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-wireless-cw1200-cw1200_wlan_spi.cil.i[292358,292371] [2021-11-05 20:54:26,197 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-wireless-cw1200-cw1200_wlan_spi.cil.i[292525,292538] [2021-11-05 20:54:26,198 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-wireless-cw1200-cw1200_wlan_spi.cil.i[292693,292706] [2021-11-05 20:54:26,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 20:54:26,314 INFO L208 MainTranslator]: Completed translation [2021-11-05 20:54:26,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:54:26 WrapperNode [2021-11-05 20:54:26,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 20:54:26,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 20:54:26,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 20:54:26,317 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 20:54:26,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:54:26" (1/1) ... [2021-11-05 20:54:26,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:54:26" (1/1) ... [2021-11-05 20:54:27,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 20:54:27,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 20:54:27,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 20:54:27,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 20:54:27,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:54:26" (1/1) ... [2021-11-05 20:54:27,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:54:26" (1/1) ... [2021-11-05 20:54:27,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:54:26" (1/1) ... [2021-11-05 20:54:27,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:54:26" (1/1) ... [2021-11-05 20:54:27,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:54:26" (1/1) ... [2021-11-05 20:54:27,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:54:26" (1/1) ... [2021-11-05 20:54:27,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:54:26" (1/1) ... [2021-11-05 20:54:27,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 20:54:27,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 20:54:27,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 20:54:27,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 20:54:27,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:54:26" (1/1) ... [2021-11-05 20:54:27,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 20:54:27,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 20:54:27,864 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 20:54:27,877 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 20:54:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-05 20:54:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 20:54:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 20:54:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 20:54:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 20:54:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 20:54:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 20:54:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 20:54:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 20:54:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-05 20:54:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 20:54:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 20:54:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 20:54:40,970 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#4: ldv_switch_1_#res := 0; [2021-11-05 20:54:40,971 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-05 20:54:40,971 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2021-11-05 20:54:40,971 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-05 20:54:40,971 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-05 20:54:40,972 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_3_switch_break#2: ldv_switch_3_#res := 0; [2021-11-05 20:54:40,972 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-05 20:54:40,972 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break: ldv_switch_4_#res := 0; [2021-11-05 20:54:40,972 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_3_switch_break: ldv_switch_3_#res := 0; [2021-11-05 20:54:40,973 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break: ldv_switch_2_#res := 0; [2021-11-05 20:54:40,973 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-05 20:54:41,005 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 20:54:41,005 INFO L299 CfgBuilder]: Removed 7501 assume(true) statements. [2021-11-05 20:54:41,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:54:41 BoogieIcfgContainer [2021-11-05 20:54:41,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 20:54:41,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 20:54:41,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 20:54:41,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 20:54:41,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 08:54:24" (1/3) ... [2021-11-05 20:54:41,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ddd3694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:54:41, skipping insertion in model container [2021-11-05 20:54:41,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:54:26" (2/3) ... [2021-11-05 20:54:41,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ddd3694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:54:41, skipping insertion in model container [2021-11-05 20:54:41,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:54:41" (3/3) ... [2021-11-05 20:54:41,020 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i [2021-11-05 20:54:41,023 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 20:54:41,024 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 54 error locations. [2021-11-05 20:54:41,160 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 20:54:41,164 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 20:54:41,165 INFO L340 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2021-11-05 20:54:41,246 INFO L276 IsEmpty]: Start isEmpty. Operand has 6316 states, 6262 states have (on average 1.2884062599808368) internal successors, (8068), 6315 states have internal predecessors, (8068), 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 20:54:41,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-05 20:54:41,255 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:54:41,255 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] [2021-11-05 20:54:41,256 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-05 20:54:41,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:54:41,259 INFO L85 PathProgramCache]: Analyzing trace with hash -2083674736, now seen corresponding path program 1 times [2021-11-05 20:54:41,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:54:41,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516643585] [2021-11-05 20:54:41,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:54:41,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:54:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:54:41,666 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 20:54:41,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:54:41,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516643585] [2021-11-05 20:54:41,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516643585] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:54:41,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:54:41,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:54:41,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111185325] [2021-11-05 20:54:41,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:54:41,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:54:41,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:54:41,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:54:41,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:54:41,698 INFO L87 Difference]: Start difference. First operand has 6316 states, 6262 states have (on average 1.2884062599808368) internal successors, (8068), 6315 states have internal predecessors, (8068), 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 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 20:54:42,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:54:42,151 INFO L93 Difference]: Finished difference Result 18180 states and 23170 transitions. [2021-11-05 20:54:42,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:54:42,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2021-11-05 20:54:42,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:54:42,198 INFO L225 Difference]: With dead ends: 18180 [2021-11-05 20:54:42,198 INFO L226 Difference]: Without dead ends: 11160 [2021-11-05 20:54:42,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.19ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:54:42,224 INFO L933 BasicCegarLoop]: 7713 mSDtfsCounter, 7355 mSDsluCounter, 7662 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 109.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7355 SdHoareTripleChecker+Valid, 15375 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.35ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 135.26ms IncrementalHoareTripleChecker+Time [2021-11-05 20:54:42,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7355 Valid, 15375 Invalid, 44 Unknown, 0 Unchecked, 34.35ms Time], IncrementalHoareTripleChecker [8 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 135.26ms Time] [2021-11-05 20:54:42,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11160 states. [2021-11-05 20:54:42,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11160 to 11124. [2021-11-05 20:54:42,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11124 states, 11070 states have (on average 1.2100271002710028) internal successors, (13395), 11123 states have internal predecessors, (13395), 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 20:54:42,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11124 states to 11124 states and 13395 transitions. [2021-11-05 20:54:42,464 INFO L78 Accepts]: Start accepts. Automaton has 11124 states and 13395 transitions. Word has length 52 [2021-11-05 20:54:42,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:54:42,466 INFO L470 AbstractCegarLoop]: Abstraction has 11124 states and 13395 transitions. [2021-11-05 20:54:42,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 20:54:42,467 INFO L276 IsEmpty]: Start isEmpty. Operand 11124 states and 13395 transitions. [2021-11-05 20:54:42,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-05 20:54:42,471 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:54:42,471 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] [2021-11-05 20:54:42,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 20:54:42,472 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-05 20:54:42,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:54:42,474 INFO L85 PathProgramCache]: Analyzing trace with hash 2046403671, now seen corresponding path program 1 times [2021-11-05 20:54:42,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:54:42,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889750318] [2021-11-05 20:54:42,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:54:42,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:54:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:54:42,593 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 20:54:42,594 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:54:42,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889750318] [2021-11-05 20:54:42,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889750318] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:54:42,594 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:54:42,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:54:42,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735302424] [2021-11-05 20:54:42,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:54:42,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:54:42,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:54:42,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:54:42,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:54:42,598 INFO L87 Difference]: Start difference. First operand 11124 states and 13395 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 20:54:43,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:54:43,152 INFO L93 Difference]: Finished difference Result 24504 states and 29527 transitions. [2021-11-05 20:54:43,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:54:43,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2021-11-05 20:54:43,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:54:43,195 INFO L225 Difference]: With dead ends: 24504 [2021-11-05 20:54:43,196 INFO L226 Difference]: Without dead ends: 13472 [2021-11-05 20:54:43,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.87ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:54:43,213 INFO L933 BasicCegarLoop]: 6833 mSDtfsCounter, 1495 mSDsluCounter, 6770 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 167.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1495 SdHoareTripleChecker+Valid, 13603 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.69ms SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 205.83ms IncrementalHoareTripleChecker+Time [2021-11-05 20:54:43,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1495 Valid, 13603 Invalid, 153 Unknown, 0 Unchecked, 11.69ms Time], IncrementalHoareTripleChecker [30 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 205.83ms Time] [2021-11-05 20:54:43,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13472 states. [2021-11-05 20:54:43,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13472 to 13276. [2021-11-05 20:54:43,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13276 states, 13222 states have (on average 1.2098018454091666) internal successors, (15996), 13275 states have internal predecessors, (15996), 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 20:54:43,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13276 states to 13276 states and 15996 transitions. [2021-11-05 20:54:43,543 INFO L78 Accepts]: Start accepts. Automaton has 13276 states and 15996 transitions. Word has length 52 [2021-11-05 20:54:43,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:54:43,544 INFO L470 AbstractCegarLoop]: Abstraction has 13276 states and 15996 transitions. [2021-11-05 20:54:43,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 20:54:43,545 INFO L276 IsEmpty]: Start isEmpty. Operand 13276 states and 15996 transitions. [2021-11-05 20:54:43,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-05 20:54:43,548 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:54:43,548 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] [2021-11-05 20:54:43,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-05 20:54:43,549 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-05 20:54:43,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:54:43,549 INFO L85 PathProgramCache]: Analyzing trace with hash -99697309, now seen corresponding path program 1 times [2021-11-05 20:54:43,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:54:43,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812075084] [2021-11-05 20:54:43,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:54:43,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:54:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:54:43,657 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 20:54:43,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:54:43,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812075084] [2021-11-05 20:54:43,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812075084] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:54:43,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:54:43,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:54:43,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920636866] [2021-11-05 20:54:43,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:54:43,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:54:43,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:54:43,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:54:43,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:54:43,660 INFO L87 Difference]: Start difference. First operand 13276 states and 15996 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 20:54:44,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:54:44,612 INFO L93 Difference]: Finished difference Result 37938 states and 45826 transitions. [2021-11-05 20:54:44,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:54:44,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 59 [2021-11-05 20:54:44,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:54:44,674 INFO L225 Difference]: With dead ends: 37938 [2021-11-05 20:54:44,675 INFO L226 Difference]: Without dead ends: 24754 [2021-11-05 20:54:44,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.73ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:54:44,704 INFO L933 BasicCegarLoop]: 6762 mSDtfsCounter, 6530 mSDsluCounter, 5985 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 447.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6530 SdHoareTripleChecker+Valid, 12747 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.56ms SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 541.63ms IncrementalHoareTripleChecker+Time [2021-11-05 20:54:44,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6530 Valid, 12747 Invalid, 384 Unknown, 0 Unchecked, 17.56ms Time], IncrementalHoareTripleChecker [149 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 541.63ms Time] [2021-11-05 20:54:44,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24754 states. [2021-11-05 20:54:45,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24754 to 23274. [2021-11-05 20:54:45,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23274 states, 23220 states have (on average 1.2207579672695952) internal successors, (28346), 23273 states have internal predecessors, (28346), 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 20:54:45,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23274 states to 23274 states and 28346 transitions. [2021-11-05 20:54:45,241 INFO L78 Accepts]: Start accepts. Automaton has 23274 states and 28346 transitions. Word has length 59 [2021-11-05 20:54:45,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:54:45,241 INFO L470 AbstractCegarLoop]: Abstraction has 23274 states and 28346 transitions. [2021-11-05 20:54:45,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 20:54:45,242 INFO L276 IsEmpty]: Start isEmpty. Operand 23274 states and 28346 transitions. [2021-11-05 20:54:45,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-05 20:54:45,243 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:54:45,243 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] [2021-11-05 20:54:45,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 20:54:45,243 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-05 20:54:45,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:54:45,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1953021455, now seen corresponding path program 1 times [2021-11-05 20:54:45,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:54:45,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590937191] [2021-11-05 20:54:45,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:54:45,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:54:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:54:45,322 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 20:54:45,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:54:45,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590937191] [2021-11-05 20:54:45,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590937191] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:54:45,322 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:54:45,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:54:45,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113236658] [2021-11-05 20:54:45,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:54:45,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:54:45,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:54:45,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:54:45,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:54:45,324 INFO L87 Difference]: Start difference. First operand 23274 states and 28346 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:54:45,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:54:45,870 INFO L93 Difference]: Finished difference Result 56909 states and 69351 transitions. [2021-11-05 20:54:45,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:54:45,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-05 20:54:45,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:54:45,951 INFO L225 Difference]: With dead ends: 56909 [2021-11-05 20:54:45,951 INFO L226 Difference]: Without dead ends: 33727 [2021-11-05 20:54:45,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.37ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:54:45,990 INFO L933 BasicCegarLoop]: 6858 mSDtfsCounter, 6542 mSDsluCounter, 6825 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 105.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6542 SdHoareTripleChecker+Valid, 13683 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.68ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 124.72ms IncrementalHoareTripleChecker+Time [2021-11-05 20:54:45,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6542 Valid, 13683 Invalid, 50 Unknown, 0 Unchecked, 13.68ms Time], IncrementalHoareTripleChecker [7 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 124.72ms Time] [2021-11-05 20:54:46,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33727 states. [2021-11-05 20:54:46,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33727 to 33519. [2021-11-05 20:54:46,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33519 states, 33465 states have (on average 1.2213656058568654) internal successors, (40873), 33518 states have internal predecessors, (40873), 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 20:54:46,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33519 states to 33519 states and 40873 transitions. [2021-11-05 20:54:46,600 INFO L78 Accepts]: Start accepts. Automaton has 33519 states and 40873 transitions. Word has length 60 [2021-11-05 20:54:46,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:54:46,600 INFO L470 AbstractCegarLoop]: Abstraction has 33519 states and 40873 transitions. [2021-11-05 20:54:46,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:54:46,601 INFO L276 IsEmpty]: Start isEmpty. Operand 33519 states and 40873 transitions. [2021-11-05 20:54:46,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-05 20:54:46,602 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:54:46,602 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] [2021-11-05 20:54:46,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 20:54:46,602 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-05 20:54:46,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:54:46,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1648861447, now seen corresponding path program 1 times [2021-11-05 20:54:46,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:54:46,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169616992] [2021-11-05 20:54:46,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:54:46,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:54:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:54:46,692 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 20:54:46,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:54:46,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169616992] [2021-11-05 20:54:46,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169616992] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:54:46,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:54:46,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:54:46,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507766319] [2021-11-05 20:54:46,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:54:46,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:54:46,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:54:46,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:54:46,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:54:46,697 INFO L87 Difference]: Start difference. First operand 33519 states and 40873 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:54:47,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:54:47,595 INFO L93 Difference]: Finished difference Result 95449 states and 116481 transitions. [2021-11-05 20:54:47,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:54:47,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-11-05 20:54:47,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:54:47,732 INFO L225 Difference]: With dead ends: 95449 [2021-11-05 20:54:47,732 INFO L226 Difference]: Without dead ends: 62022 [2021-11-05 20:54:47,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.81ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:54:47,795 INFO L933 BasicCegarLoop]: 12103 mSDtfsCounter, 6688 mSDsluCounter, 6318 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 107.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6688 SdHoareTripleChecker+Valid, 18421 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.01ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 130.90ms IncrementalHoareTripleChecker+Time [2021-11-05 20:54:47,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6688 Valid, 18421 Invalid, 70 Unknown, 0 Unchecked, 13.01ms Time], IncrementalHoareTripleChecker [17 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 130.90ms Time] [2021-11-05 20:54:47,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62022 states. [2021-11-05 20:54:49,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62022 to 61778. [2021-11-05 20:54:49,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61778 states, 61724 states have (on average 1.2212105501911736) internal successors, (75378), 61777 states have internal predecessors, (75378), 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 20:54:49,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61778 states to 61778 states and 75378 transitions. [2021-11-05 20:54:49,407 INFO L78 Accepts]: Start accepts. Automaton has 61778 states and 75378 transitions. Word has length 68 [2021-11-05 20:54:49,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:54:49,408 INFO L470 AbstractCegarLoop]: Abstraction has 61778 states and 75378 transitions. [2021-11-05 20:54:49,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:54:49,408 INFO L276 IsEmpty]: Start isEmpty. Operand 61778 states and 75378 transitions. [2021-11-05 20:54:49,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-05 20:54:49,423 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:54:49,424 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] [2021-11-05 20:54:49,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-05 20:54:49,424 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-05 20:54:49,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:54:49,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1288308795, now seen corresponding path program 1 times [2021-11-05 20:54:49,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:54:49,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573011656] [2021-11-05 20:54:49,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:54:49,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:54:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:54:49,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 20:54:49,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:54:49,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573011656] [2021-11-05 20:54:49,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573011656] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:54:49,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:54:49,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:54:49,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431657734] [2021-11-05 20:54:49,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:54:49,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:54:49,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:54:49,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:54:49,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:54:49,508 INFO L87 Difference]: Start difference. First operand 61778 states and 75378 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:54:51,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:54:51,298 INFO L93 Difference]: Finished difference Result 144674 states and 176637 transitions. [2021-11-05 20:54:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:54:51,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2021-11-05 20:54:51,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:54:51,529 INFO L225 Difference]: With dead ends: 144674 [2021-11-05 20:54:51,529 INFO L226 Difference]: Without dead ends: 102858 [2021-11-05 20:54:51,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.62ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:54:51,732 INFO L933 BasicCegarLoop]: 7057 mSDtfsCounter, 6622 mSDsluCounter, 6761 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6622 SdHoareTripleChecker+Valid, 13818 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.07ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 116.53ms IncrementalHoareTripleChecker+Time [2021-11-05 20:54:51,733 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6622 Valid, 13818 Invalid, 44 Unknown, 0 Unchecked, 12.07ms Time], IncrementalHoareTripleChecker [10 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 116.53ms Time] [2021-11-05 20:54:51,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102858 states. [2021-11-05 20:54:53,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102858 to 102822. [2021-11-05 20:54:53,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102822 states, 102768 states have (on average 1.2212167211583371) internal successors, (125502), 102821 states have internal predecessors, (125502), 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 20:54:53,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102822 states to 102822 states and 125502 transitions. [2021-11-05 20:54:53,879 INFO L78 Accepts]: Start accepts. Automaton has 102822 states and 125502 transitions. Word has length 83 [2021-11-05 20:54:53,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:54:53,879 INFO L470 AbstractCegarLoop]: Abstraction has 102822 states and 125502 transitions. [2021-11-05 20:54:53,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:54:53,879 INFO L276 IsEmpty]: Start isEmpty. Operand 102822 states and 125502 transitions. [2021-11-05 20:54:53,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-05 20:54:53,882 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:54:53,882 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-05 20:54:53,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-05 20:54:53,882 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-05 20:54:53,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:54:53,883 INFO L85 PathProgramCache]: Analyzing trace with hash 2072749914, now seen corresponding path program 1 times [2021-11-05 20:54:53,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:54:53,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699704784] [2021-11-05 20:54:53,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:54:53,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:54:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:54:54,157 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 20:54:54,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:54:54,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699704784] [2021-11-05 20:54:54,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699704784] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:54:54,157 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:54:54,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:54:54,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911814703] [2021-11-05 20:54:54,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:54:54,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 20:54:54,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:54:54,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 20:54:54,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:54:54,158 INFO L87 Difference]: Start difference. First operand 102822 states and 125502 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:54:56,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:54:56,502 INFO L93 Difference]: Finished difference Result 226730 states and 276725 transitions. [2021-11-05 20:54:56,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 20:54:56,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-11-05 20:54:56,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:54:56,860 INFO L225 Difference]: With dead ends: 226730 [2021-11-05 20:54:56,860 INFO L226 Difference]: Without dead ends: 143870 [2021-11-05 20:54:56,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.87ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 20:54:56,975 INFO L933 BasicCegarLoop]: 13402 mSDtfsCounter, 6539 mSDsluCounter, 6833 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6539 SdHoareTripleChecker+Valid, 20235 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.55ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 104.70ms IncrementalHoareTripleChecker+Time [2021-11-05 20:54:56,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6539 Valid, 20235 Invalid, 34 Unknown, 0 Unchecked, 13.55ms Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 104.70ms Time] [2021-11-05 20:54:57,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143870 states. [2021-11-05 20:54:59,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143870 to 143834. [2021-11-05 20:54:59,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143834 states, 143780 states have (on average 1.2209347614410906) internal successors, (175546), 143833 states have internal predecessors, (175546), 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 20:55:00,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143834 states to 143834 states and 175546 transitions. [2021-11-05 20:55:00,172 INFO L78 Accepts]: Start accepts. Automaton has 143834 states and 175546 transitions. Word has length 85 [2021-11-05 20:55:00,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:55:00,173 INFO L470 AbstractCegarLoop]: Abstraction has 143834 states and 175546 transitions. [2021-11-05 20:55:00,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:55:00,173 INFO L276 IsEmpty]: Start isEmpty. Operand 143834 states and 175546 transitions. [2021-11-05 20:55:00,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-05 20:55:00,175 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:55:00,175 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-05 20:55:00,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-05 20:55:00,175 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-05 20:55:00,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:55:00,176 INFO L85 PathProgramCache]: Analyzing trace with hash 78605208, now seen corresponding path program 1 times [2021-11-05 20:55:00,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:55:00,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536304417] [2021-11-05 20:55:00,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:55:00,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:55:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:55:00,310 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-05 20:55:00,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:55:00,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536304417] [2021-11-05 20:55:00,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536304417] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:55:00,312 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:55:00,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:55:00,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706865654] [2021-11-05 20:55:00,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:55:00,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 20:55:00,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:55:00,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 20:55:00,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 20:55:00,313 INFO L87 Difference]: Start difference. First operand 143834 states and 175546 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 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 20:55:02,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:55:02,699 INFO L93 Difference]: Finished difference Result 143834 states and 175546 transitions. [2021-11-05 20:55:02,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 20:55:02,700 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-11-05 20:55:02,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:55:03,015 INFO L225 Difference]: With dead ends: 143834 [2021-11-05 20:55:03,015 INFO L226 Difference]: Without dead ends: 143828 [2021-11-05 20:55:03,069 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.05ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 20:55:03,070 INFO L933 BasicCegarLoop]: 6853 mSDtfsCounter, 6791 mSDsluCounter, 6757 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6791 SdHoareTripleChecker+Valid, 13610 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.09ms SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.32ms IncrementalHoareTripleChecker+Time [2021-11-05 20:55:03,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6791 Valid, 13610 Invalid, 106 Unknown, 0 Unchecked, 20.09ms Time], IncrementalHoareTripleChecker [34 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 82.32ms Time] [2021-11-05 20:55:03,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143828 states. [2021-11-05 20:55:06,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143828 to 143828. [2021-11-05 20:55:06,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143828 states, 143777 states have (on average 1.2209185057415304) internal successors, (175540), 143827 states have internal predecessors, (175540), 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 20:55:06,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143828 states to 143828 states and 175540 transitions. [2021-11-05 20:55:06,512 INFO L78 Accepts]: Start accepts. Automaton has 143828 states and 175540 transitions. Word has length 85 [2021-11-05 20:55:06,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:55:06,513 INFO L470 AbstractCegarLoop]: Abstraction has 143828 states and 175540 transitions. [2021-11-05 20:55:06,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 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 20:55:06,513 INFO L276 IsEmpty]: Start isEmpty. Operand 143828 states and 175540 transitions. [2021-11-05 20:55:06,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-05 20:55:06,516 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:55:06,516 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-05 20:55:06,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-05 20:55:06,517 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-05 20:55:06,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:55:06,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1769656293, now seen corresponding path program 1 times [2021-11-05 20:55:06,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:55:06,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984302136] [2021-11-05 20:55:06,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:55:06,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:55:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:55:06,628 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-05 20:55:06,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:55:06,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984302136] [2021-11-05 20:55:06,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984302136] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:55:06,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:55:06,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:55:06,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757649234] [2021-11-05 20:55:06,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:55:06,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 20:55:06,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:55:06,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 20:55:06,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 20:55:06,631 INFO L87 Difference]: Start difference. First operand 143828 states and 175540 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 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 20:55:09,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:55:09,070 INFO L93 Difference]: Finished difference Result 143828 states and 175540 transitions. [2021-11-05 20:55:09,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 20:55:09,071 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 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 87 [2021-11-05 20:55:09,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:55:09,367 INFO L225 Difference]: With dead ends: 143828 [2021-11-05 20:55:09,367 INFO L226 Difference]: Without dead ends: 143822 [2021-11-05 20:55:09,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.47ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 20:55:09,417 INFO L933 BasicCegarLoop]: 6847 mSDtfsCounter, 6780 mSDsluCounter, 6754 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6780 SdHoareTripleChecker+Valid, 13601 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.36ms SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.47ms IncrementalHoareTripleChecker+Time [2021-11-05 20:55:09,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6780 Valid, 13601 Invalid, 106 Unknown, 0 Unchecked, 20.36ms Time], IncrementalHoareTripleChecker [37 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 72.47ms Time] [2021-11-05 20:55:09,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143822 states. [2021-11-05 20:55:12,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143822 to 143822. [2021-11-05 20:55:12,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143822 states, 143774 states have (on average 1.2209022493635846) internal successors, (175534), 143821 states have internal predecessors, (175534), 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 20:55:12,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143822 states to 143822 states and 175534 transitions. [2021-11-05 20:55:12,900 INFO L78 Accepts]: Start accepts. Automaton has 143822 states and 175534 transitions. Word has length 87 [2021-11-05 20:55:12,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 20:55:12,900 INFO L470 AbstractCegarLoop]: Abstraction has 143822 states and 175534 transitions. [2021-11-05 20:55:12,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 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 20:55:12,900 INFO L276 IsEmpty]: Start isEmpty. Operand 143822 states and 175534 transitions. [2021-11-05 20:55:12,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-05 20:55:12,902 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 20:55:12,903 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-05 20:55:12,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-05 20:55:12,903 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-05 20:55:12,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 20:55:12,903 INFO L85 PathProgramCache]: Analyzing trace with hash 167502110, now seen corresponding path program 1 times [2021-11-05 20:55:12,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 20:55:12,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383096794] [2021-11-05 20:55:12,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 20:55:12,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 20:55:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 20:55:12,986 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-05 20:55:12,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 20:55:12,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383096794] [2021-11-05 20:55:12,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383096794] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 20:55:12,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 20:55:12,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 20:55:12,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207684610] [2021-11-05 20:55:12,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 20:55:12,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 20:55:12,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 20:55:12,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 20:55:12,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 20:55:12,988 INFO L87 Difference]: Start difference. First operand 143822 states and 175534 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 20:55:15,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 20:55:15,498 INFO L93 Difference]: Finished difference Result 143822 states and 175534 transitions. [2021-11-05 20:55:15,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 20:55:15,499 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2021-11-05 20:55:15,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 20:55:15,914 INFO L225 Difference]: With dead ends: 143822 [2021-11-05 20:55:15,914 INFO L226 Difference]: Without dead ends: 143816 [2021-11-05 20:55:15,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.31ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 20:55:15,958 INFO L933 BasicCegarLoop]: 6841 mSDtfsCounter, 6772 mSDsluCounter, 6751 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6772 SdHoareTripleChecker+Valid, 13592 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.35ms SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.58ms IncrementalHoareTripleChecker+Time [2021-11-05 20:55:15,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6772 Valid, 13592 Invalid, 103 Unknown, 0 Unchecked, 15.35ms Time], IncrementalHoareTripleChecker [37 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 70.58ms Time] [2021-11-05 20:55:16,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143816 states.