./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 fcb8e130 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-dev-fcb8e13 [2021-11-23 02:52:42,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:52:42,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:52:42,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:52:42,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:52:42,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:52:42,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:52:42,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:52:42,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:52:42,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:52:42,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:52:42,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:52:42,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:52:42,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:52:42,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:52:42,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:52:42,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:52:42,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:52:42,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:52:42,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:52:42,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:52:42,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:52:42,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:52:42,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:52:42,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:52:42,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:52:42,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:52:42,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:52:42,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:52:42,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:52:42,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:52:42,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:52:42,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:52:42,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:52:42,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:52:42,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:52:42,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:52:42,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:52:42,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:52:42,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:52:42,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:52:42,223 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-23 02:52:42,244 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:52:42,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:52:42,244 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:52:42,244 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:52:42,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 02:52:42,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 02:52:42,245 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 02:52:42,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:52:42,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:52:42,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:52:42,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:52:42,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:52:42,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:52:42,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:52:42,246 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:52:42,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:52:42,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:52:42,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 02:52:42,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:52:42,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:52:42,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:52:42,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:52:42,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:52:42,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 02:52:42,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:52:42,248 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 02:52:42,248 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 02:52:42,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:52:42,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:52:42,248 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cef07d7f0384d28cd6187dbf399ce04548d86cf40895859810995ce7f7f2ba4 [2021-11-23 02:52:42,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:52:42,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:52:42,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:52:42,460 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:52:42,461 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:52:42,462 INFO L432 ainManager$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 [2021-11-23 02:52:42,533 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f815f87b8/1aade047615b4e72b628a026309bbb84/FLAG6545ba8e9 [2021-11-23 02:52:43,158 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:52:43,159 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 [2021-11-23 02:52:43,198 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f815f87b8/1aade047615b4e72b628a026309bbb84/FLAG6545ba8e9 [2021-11-23 02:52:43,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f815f87b8/1aade047615b4e72b628a026309bbb84 [2021-11-23 02:52:43,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:52:43,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:52:43,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:52:43,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:52:43,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:52:43,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:52:43" (1/1) ... [2021-11-23 02:52:43,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d88b35d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:43, skipping insertion in model container [2021-11-23 02:52:43,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:52:43" (1/1) ... [2021-11-23 02:52:43,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:52:43,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:52:45,026 WARN L230 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] [2021-11-23 02:52:45,030 WARN L230 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] [2021-11-23 02:52:45,035 WARN L230 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] [2021-11-23 02:52:45,036 WARN L230 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] [2021-11-23 02:52:45,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:52:45,060 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:52:45,333 WARN L230 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] [2021-11-23 02:52:45,334 WARN L230 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] [2021-11-23 02:52:45,334 WARN L230 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] [2021-11-23 02:52:45,334 WARN L230 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] [2021-11-23 02:52:45,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:52:45,414 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:52:45,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:45 WrapperNode [2021-11-23 02:52:45,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:52:45,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:52:45,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:52:45,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:52:45,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:45" (1/1) ... [2021-11-23 02:52:45,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:45" (1/1) ... [2021-11-23 02:52:46,038 INFO L137 Inliner]: procedures = 325, calls = 928, calls flagged for inlining = 571, calls inlined = 3746, statements flattened = 35913 [2021-11-23 02:52:46,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:52:46,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:52:46,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:52:46,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:52:46,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:45" (1/1) ... [2021-11-23 02:52:46,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:45" (1/1) ... [2021-11-23 02:52:46,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:45" (1/1) ... [2021-11-23 02:52:46,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:45" (1/1) ... [2021-11-23 02:52:46,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:45" (1/1) ... [2021-11-23 02:52:46,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:45" (1/1) ... [2021-11-23 02:52:46,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:45" (1/1) ... [2021-11-23 02:52:46,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:52:46,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:52:46,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:52:46,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:52:46,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:45" (1/1) ... [2021-11-23 02:52:46,995 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:52:47,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 02:52:47,011 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) [2021-11-23 02:52:47,015 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 [2021-11-23 02:52:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 02:52:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:52:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:52:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:52:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:52:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:52:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:52:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:52:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:52:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:52:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 02:52:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:52:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:52:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:52:47,471 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:52:47,472 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:53:00,520 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#4: ldv_switch_1_#res#1 := 0; [2021-11-23 02:53:00,520 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res#1 := 0; [2021-11-23 02:53:00,520 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res#1 := 0; [2021-11-23 02:53:00,520 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#1: ldv_switch_1_#res#1 := 0; [2021-11-23 02:53:00,520 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#1: ldv_switch_2_#res#1 := 0; [2021-11-23 02:53:00,521 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break#1: ldv_switch_4_#res#1 := 0; [2021-11-23 02:53:00,521 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#1: ldv_switch_0_#res#1 := 0; [2021-11-23 02:53:00,521 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res#1 := 0; [2021-11-23 02:53:00,521 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_3_switch_break#1: ldv_switch_3_#res#1 := 0; [2021-11-23 02:53:00,521 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_3_switch_break#2: ldv_switch_3_#res#1 := 0; [2021-11-23 02:53:00,521 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 02:53:00,522 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:53:00,555 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:53:00,555 INFO L301 CfgBuilder]: Removed 33 assume(true) statements. [2021-11-23 02:53:00,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:53:00 BoogieIcfgContainer [2021-11-23 02:53:00,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:53:00,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:53:00,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:53:00,566 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:53:00,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:52:43" (1/3) ... [2021-11-23 02:53:00,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3766758a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:53:00, skipping insertion in model container [2021-11-23 02:53:00,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:52:45" (2/3) ... [2021-11-23 02:53:00,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3766758a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:53:00, skipping insertion in model container [2021-11-23 02:53:00,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:53:00" (3/3) ... [2021-11-23 02:53:00,568 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-cw1200-cw1200_wlan_spi.cil.i [2021-11-23 02:53:00,572 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:53:00,572 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 54 error locations. [2021-11-23 02:53:00,621 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:53:00,626 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 [2021-11-23 02:53:00,626 INFO L340 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2021-11-23 02:53:00,710 INFO L276 IsEmpty]: Start isEmpty. Operand has 6940 states, 6886 states have (on average 1.2622712750508278) internal successors, (8692), 6939 states have internal predecessors, (8692), 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) [2021-11-23 02:53:00,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 02:53:00,726 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:53:00,727 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:53:00,727 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-23 02:53:00,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:53:00,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1172558995, now seen corresponding path program 1 times [2021-11-23 02:53:00,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:53:00,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698297139] [2021-11-23 02:53:00,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:53:00,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:53:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:53:01,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:53:01,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:53:01,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698297139] [2021-11-23 02:53:01,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698297139] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:53:01,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:53:01,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 02:53:01,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832406170] [2021-11-23 02:53:01,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:53:01,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:53:01,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:53:01,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:53:01,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:53:01,213 INFO L87 Difference]: Start difference. First operand has 6940 states, 6886 states have (on average 1.2622712750508278) internal successors, (8692), 6939 states have internal predecessors, (8692), 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 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:53:02,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:53:02,308 INFO L93 Difference]: Finished difference Result 16638 states and 20881 transitions. [2021-11-23 02:53:02,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:53:02,310 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-11-23 02:53:02,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:53:02,350 INFO L225 Difference]: With dead ends: 16638 [2021-11-23 02:53:02,350 INFO L226 Difference]: Without dead ends: 9139 [2021-11-23 02:53:02,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:53:02,369 INFO L933 BasicCegarLoop]: 8289 mSDtfsCounter, 23718 mSDsluCounter, 9901 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23718 SdHoareTripleChecker+Valid, 18190 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:53:02,369 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23718 Valid, 18190 Invalid, 547 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [104 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-23 02:53:02,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9139 states. [2021-11-23 02:53:02,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9139 to 8733. [2021-11-23 02:53:02,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8733 states, 8679 states have (on average 1.1902292890886046) internal successors, (10330), 8732 states have internal predecessors, (10330), 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) [2021-11-23 02:53:02,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8733 states to 8733 states and 10330 transitions. [2021-11-23 02:53:02,653 INFO L78 Accepts]: Start accepts. Automaton has 8733 states and 10330 transitions. Word has length 53 [2021-11-23 02:53:02,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:53:02,654 INFO L470 AbstractCegarLoop]: Abstraction has 8733 states and 10330 transitions. [2021-11-23 02:53:02,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:53:02,654 INFO L276 IsEmpty]: Start isEmpty. Operand 8733 states and 10330 transitions. [2021-11-23 02:53:02,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 02:53:02,656 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:53:02,656 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] [2021-11-23 02:53:02,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:53:02,657 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-23 02:53:02,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:53:02,657 INFO L85 PathProgramCache]: Analyzing trace with hash 350248438, now seen corresponding path program 1 times [2021-11-23 02:53:02,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:53:02,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160352948] [2021-11-23 02:53:02,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:53:02,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:53:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:53:02,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:53:02,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:53:02,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160352948] [2021-11-23 02:53:02,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160352948] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:53:02,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:53:02,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:53:02,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102661001] [2021-11-23 02:53:02,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:53:02,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:53:02,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:53:02,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:53:02,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:53:02,762 INFO L87 Difference]: Start difference. First operand 8733 states and 10330 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2021-11-23 02:53:03,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:53:03,150 INFO L93 Difference]: Finished difference Result 25691 states and 30452 transitions. [2021-11-23 02:53:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:53:03,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 55 [2021-11-23 02:53:03,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:53:03,211 INFO L225 Difference]: With dead ends: 25691 [2021-11-23 02:53:03,212 INFO L226 Difference]: Without dead ends: 17051 [2021-11-23 02:53:03,234 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:53:03,237 INFO L933 BasicCegarLoop]: 7463 mSDtfsCounter, 7148 mSDsluCounter, 7420 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7148 SdHoareTripleChecker+Valid, 14883 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:53:03,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7148 Valid, 14883 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:53:03,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17051 states. [2021-11-23 02:53:03,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17051 to 17015. [2021-11-23 02:53:03,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17015 states, 16961 states have (on average 1.189847296739579) internal successors, (20181), 17014 states have internal predecessors, (20181), 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) [2021-11-23 02:53:03,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17015 states to 17015 states and 20181 transitions. [2021-11-23 02:53:03,862 INFO L78 Accepts]: Start accepts. Automaton has 17015 states and 20181 transitions. Word has length 55 [2021-11-23 02:53:03,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:53:03,863 INFO L470 AbstractCegarLoop]: Abstraction has 17015 states and 20181 transitions. [2021-11-23 02:53:03,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2021-11-23 02:53:03,864 INFO L276 IsEmpty]: Start isEmpty. Operand 17015 states and 20181 transitions. [2021-11-23 02:53:03,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 02:53:03,866 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:53:03,867 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] [2021-11-23 02:53:03,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:53:03,867 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)] === [2021-11-23 02:53:03,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:53:03,868 INFO L85 PathProgramCache]: Analyzing trace with hash -968561470, now seen corresponding path program 1 times [2021-11-23 02:53:03,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:53:03,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189693088] [2021-11-23 02:53:03,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:53:03,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:53:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:53:03,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:53:03,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:53:03,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189693088] [2021-11-23 02:53:03,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189693088] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:53:03,956 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:53:03,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:53:03,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817595075] [2021-11-23 02:53:03,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:53:03,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:53:03,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:53:03,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:53:03,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:53:03,958 INFO L87 Difference]: Start difference. First operand 17015 states and 20181 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) [2021-11-23 02:53:05,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:53:05,014 INFO L93 Difference]: Finished difference Result 47955 states and 57137 transitions. [2021-11-23 02:53:05,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:53:05,015 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 [2021-11-23 02:53:05,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:53:05,103 INFO L225 Difference]: With dead ends: 47955 [2021-11-23 02:53:05,103 INFO L226 Difference]: Without dead ends: 31033 [2021-11-23 02:53:05,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:53:05,140 INFO L933 BasicCegarLoop]: 7370 mSDtfsCounter, 7095 mSDsluCounter, 6304 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7095 SdHoareTripleChecker+Valid, 13674 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:53:05,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7095 Valid, 13674 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 02:53:05,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31033 states. [2021-11-23 02:53:06,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31033 to 29397. [2021-11-23 02:53:06,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29397 states, 29343 states have (on average 1.20277408581263) internal successors, (35293), 29396 states have internal predecessors, (35293), 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) [2021-11-23 02:53:06,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29397 states to 29397 states and 35293 transitions. [2021-11-23 02:53:06,155 INFO L78 Accepts]: Start accepts. Automaton has 29397 states and 35293 transitions. Word has length 60 [2021-11-23 02:53:06,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:53:06,157 INFO L470 AbstractCegarLoop]: Abstraction has 29397 states and 35293 transitions. [2021-11-23 02:53:06,158 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) [2021-11-23 02:53:06,158 INFO L276 IsEmpty]: Start isEmpty. Operand 29397 states and 35293 transitions. [2021-11-23 02:53:06,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 02:53:06,159 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:53:06,160 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:53:06,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:53:06,161 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)] === [2021-11-23 02:53:06,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:53:06,162 INFO L85 PathProgramCache]: Analyzing trace with hash 809384876, now seen corresponding path program 1 times [2021-11-23 02:53:06,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:53:06,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813240359] [2021-11-23 02:53:06,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:53:06,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:53:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:53:06,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:53:06,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:53:06,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813240359] [2021-11-23 02:53:06,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813240359] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:53:06,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:53:06,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:53:06,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605068322] [2021-11-23 02:53:06,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:53:06,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:53:06,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:53:06,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:53:06,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:53:06,273 INFO L87 Difference]: Start difference. First operand 29397 states and 35293 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-11-23 02:53:07,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:53:07,271 INFO L93 Difference]: Finished difference Result 71363 states and 85759 transitions. [2021-11-23 02:53:07,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:53:07,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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 61 [2021-11-23 02:53:07,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:53:07,410 INFO L225 Difference]: With dead ends: 71363 [2021-11-23 02:53:07,411 INFO L226 Difference]: Without dead ends: 42059 [2021-11-23 02:53:07,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:53:07,474 INFO L933 BasicCegarLoop]: 7465 mSDtfsCounter, 7126 mSDsluCounter, 7431 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7126 SdHoareTripleChecker+Valid, 14896 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:53:07,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7126 Valid, 14896 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:53:07,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42059 states. [2021-11-23 02:53:08,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42059 to 41827. [2021-11-23 02:53:08,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41827 states, 41773 states have (on average 1.2039116175520073) internal successors, (50291), 41826 states have internal predecessors, (50291), 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) [2021-11-23 02:53:08,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41827 states to 41827 states and 50291 transitions. [2021-11-23 02:53:08,562 INFO L78 Accepts]: Start accepts. Automaton has 41827 states and 50291 transitions. Word has length 61 [2021-11-23 02:53:08,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:53:08,564 INFO L470 AbstractCegarLoop]: Abstraction has 41827 states and 50291 transitions. [2021-11-23 02:53:08,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-11-23 02:53:08,565 INFO L276 IsEmpty]: Start isEmpty. Operand 41827 states and 50291 transitions. [2021-11-23 02:53:08,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 02:53:08,570 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:53:08,570 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2021-11-23 02:53:08,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:53:08,570 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)] === [2021-11-23 02:53:08,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:53:08,572 INFO L85 PathProgramCache]: Analyzing trace with hash -571184968, now seen corresponding path program 1 times [2021-11-23 02:53:08,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:53:08,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428366238] [2021-11-23 02:53:08,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:53:08,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:53:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:53:08,652 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 02:53:08,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:53:08,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428366238] [2021-11-23 02:53:08,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428366238] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:53:08,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:53:08,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:53:08,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222790144] [2021-11-23 02:53:08,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:53:08,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:53:08,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:53:08,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:53:08,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:53:08,658 INFO L87 Difference]: Start difference. First operand 41827 states and 50291 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:53:09,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:53:09,621 INFO L93 Difference]: Finished difference Result 94155 states and 113241 transitions. [2021-11-23 02:53:09,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:53:09,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2021-11-23 02:53:09,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:53:09,748 INFO L225 Difference]: With dead ends: 94155 [2021-11-23 02:53:09,748 INFO L226 Difference]: Without dead ends: 52421 [2021-11-23 02:53:09,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:53:09,829 INFO L933 BasicCegarLoop]: 13194 mSDtfsCounter, 6741 mSDsluCounter, 7425 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6741 SdHoareTripleChecker+Valid, 20619 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:53:09,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6741 Valid, 20619 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:53:09,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52421 states. [2021-11-23 02:53:11,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52421 to 52141. [2021-11-23 02:53:11,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52141 states, 52087 states have (on average 1.2028529191544914) internal successors, (62653), 52140 states have internal predecessors, (62653), 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) [2021-11-23 02:53:11,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52141 states to 52141 states and 62653 transitions. [2021-11-23 02:53:11,499 INFO L78 Accepts]: Start accepts. Automaton has 52141 states and 62653 transitions. Word has length 86 [2021-11-23 02:53:11,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:53:11,499 INFO L470 AbstractCegarLoop]: Abstraction has 52141 states and 62653 transitions. [2021-11-23 02:53:11,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:53:11,499 INFO L276 IsEmpty]: Start isEmpty. Operand 52141 states and 62653 transitions. [2021-11-23 02:53:11,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 02:53:11,501 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:53:11,501 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] [2021-11-23 02:53:11,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:53:11,501 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-23 02:53:11,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:53:11,501 INFO L85 PathProgramCache]: Analyzing trace with hash 16209550, now seen corresponding path program 1 times [2021-11-23 02:53:11,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:53:11,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359574991] [2021-11-23 02:53:11,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:53:11,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:53:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:53:11,602 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 02:53:11,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:53:11,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359574991] [2021-11-23 02:53:11,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359574991] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:53:11,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:53:11,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:53:11,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725760057] [2021-11-23 02:53:11,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:53:11,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:53:11,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:53:11,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:53:11,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:53:11,605 INFO L87 Difference]: Start difference. First operand 52141 states and 62653 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) [2021-11-23 02:53:12,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:53:12,659 INFO L93 Difference]: Finished difference Result 52141 states and 62653 transitions. [2021-11-23 02:53:12,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:53:12,660 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 [2021-11-23 02:53:12,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:53:12,765 INFO L225 Difference]: With dead ends: 52141 [2021-11-23 02:53:12,765 INFO L226 Difference]: Without dead ends: 52135 [2021-11-23 02:53:12,784 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:53:12,785 INFO L933 BasicCegarLoop]: 7460 mSDtfsCounter, 7396 mSDsluCounter, 7364 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7396 SdHoareTripleChecker+Valid, 14824 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:53:12,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7396 Valid, 14824 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:53:12,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52135 states. [2021-11-23 02:53:13,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52135 to 52135. [2021-11-23 02:53:13,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52135 states, 52084 states have (on average 1.2028070040703478) internal successors, (62647), 52134 states have internal predecessors, (62647), 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) [2021-11-23 02:53:14,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52135 states to 52135 states and 62647 transitions. [2021-11-23 02:53:14,066 INFO L78 Accepts]: Start accepts. Automaton has 52135 states and 62647 transitions. Word has length 87 [2021-11-23 02:53:14,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:53:14,067 INFO L470 AbstractCegarLoop]: Abstraction has 52135 states and 62647 transitions. [2021-11-23 02:53:14,067 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) [2021-11-23 02:53:14,067 INFO L276 IsEmpty]: Start isEmpty. Operand 52135 states and 62647 transitions. [2021-11-23 02:53:14,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 02:53:14,084 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:53:14,084 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] [2021-11-23 02:53:14,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 02:53:14,085 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-23 02:53:14,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:53:14,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1602340815, now seen corresponding path program 1 times [2021-11-23 02:53:14,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:53:14,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293263604] [2021-11-23 02:53:14,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:53:14,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:53:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:53:14,229 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 02:53:14,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:53:14,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293263604] [2021-11-23 02:53:14,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293263604] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:53:14,230 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:53:14,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:53:14,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994792415] [2021-11-23 02:53:14,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:53:14,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:53:14,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:53:14,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:53:14,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:53:14,232 INFO L87 Difference]: Start difference. First operand 52135 states and 62647 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) [2021-11-23 02:53:15,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:53:15,330 INFO L93 Difference]: Finished difference Result 52135 states and 62647 transitions. [2021-11-23 02:53:15,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:53:15,331 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 [2021-11-23 02:53:15,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:53:15,436 INFO L225 Difference]: With dead ends: 52135 [2021-11-23 02:53:15,436 INFO L226 Difference]: Without dead ends: 52129 [2021-11-23 02:53:15,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:53:15,460 INFO L933 BasicCegarLoop]: 7454 mSDtfsCounter, 7385 mSDsluCounter, 7361 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7385 SdHoareTripleChecker+Valid, 14815 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:53:15,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7385 Valid, 14815 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:53:15,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52129 states. [2021-11-23 02:53:16,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52129 to 52129. [2021-11-23 02:53:16,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52129 states, 52081 states have (on average 1.2027610836965497) internal successors, (62641), 52128 states have internal predecessors, (62641), 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) [2021-11-23 02:53:16,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52129 states to 52129 states and 62641 transitions. [2021-11-23 02:53:16,773 INFO L78 Accepts]: Start accepts. Automaton has 52129 states and 62641 transitions. Word has length 89 [2021-11-23 02:53:16,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:53:16,773 INFO L470 AbstractCegarLoop]: Abstraction has 52129 states and 62641 transitions. [2021-11-23 02:53:16,773 INFO L471 AbstractCegarLoop]: INTERPOLANT 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) [2021-11-23 02:53:16,773 INFO L276 IsEmpty]: Start isEmpty. Operand 52129 states and 62641 transitions. [2021-11-23 02:53:16,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 02:53:16,775 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:53:16,775 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, 1, 1] [2021-11-23 02:53:16,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 02:53:16,775 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-23 02:53:16,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:53:16,776 INFO L85 PathProgramCache]: Analyzing trace with hash 2043887188, now seen corresponding path program 1 times [2021-11-23 02:53:16,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:53:16,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371326136] [2021-11-23 02:53:16,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:53:16,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:53:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:53:16,862 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 02:53:16,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:53:16,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371326136] [2021-11-23 02:53:16,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371326136] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:53:16,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:53:16,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:53:16,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914599496] [2021-11-23 02:53:16,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:53:16,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:53:16,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:53:16,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:53:16,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:53:16,864 INFO L87 Difference]: Start difference. First operand 52129 states and 62641 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:53:18,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:53:18,002 INFO L93 Difference]: Finished difference Result 52129 states and 62641 transitions. [2021-11-23 02:53:18,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:53:18,003 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-11-23 02:53:18,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:53:18,107 INFO L225 Difference]: With dead ends: 52129 [2021-11-23 02:53:18,107 INFO L226 Difference]: Without dead ends: 52123 [2021-11-23 02:53:18,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:53:18,131 INFO L933 BasicCegarLoop]: 7448 mSDtfsCounter, 7377 mSDsluCounter, 7358 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7377 SdHoareTripleChecker+Valid, 14806 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:53:18,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7377 Valid, 14806 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:53:18,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52123 states. [2021-11-23 02:53:19,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52123 to 52123. [2021-11-23 02:53:19,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52123 states, 52078 states have (on average 1.2027151580321824) internal successors, (62635), 52122 states have internal predecessors, (62635), 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) [2021-11-23 02:53:19,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52123 states to 52123 states and 62635 transitions. [2021-11-23 02:53:19,561 INFO L78 Accepts]: Start accepts. Automaton has 52123 states and 62635 transitions. Word has length 91 [2021-11-23 02:53:19,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:53:19,561 INFO L470 AbstractCegarLoop]: Abstraction has 52123 states and 62635 transitions. [2021-11-23 02:53:19,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:53:19,561 INFO L276 IsEmpty]: Start isEmpty. Operand 52123 states and 62635 transitions. [2021-11-23 02:53:19,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 02:53:19,563 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:53:19,563 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, 1, 1, 1, 1] [2021-11-23 02:53:19,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 02:53:19,563 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-23 02:53:19,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:53:19,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1375684855, now seen corresponding path program 1 times [2021-11-23 02:53:19,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:53:19,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107790501] [2021-11-23 02:53:19,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:53:19,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:53:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:53:19,678 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 02:53:19,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:53:19,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107790501] [2021-11-23 02:53:19,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107790501] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:53:19,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:53:19,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:53:19,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633148828] [2021-11-23 02:53:19,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:53:19,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:53:19,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:53:19,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:53:19,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:53:19,681 INFO L87 Difference]: Start difference. First operand 52123 states and 62635 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:53:20,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:53:20,923 INFO L93 Difference]: Finished difference Result 52123 states and 62635 transitions. [2021-11-23 02:53:20,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:53:20,924 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-11-23 02:53:20,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:53:21,032 INFO L225 Difference]: With dead ends: 52123 [2021-11-23 02:53:21,033 INFO L226 Difference]: Without dead ends: 52117 [2021-11-23 02:53:21,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:53:21,055 INFO L933 BasicCegarLoop]: 7442 mSDtfsCounter, 7369 mSDsluCounter, 7355 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7369 SdHoareTripleChecker+Valid, 14797 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:53:21,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7369 Valid, 14797 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:53:21,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52117 states. [2021-11-23 02:53:22,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52117 to 52117. [2021-11-23 02:53:22,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52117 states, 52075 states have (on average 1.2026692270763322) internal successors, (62629), 52116 states have internal predecessors, (62629), 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) [2021-11-23 02:53:22,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52117 states to 52117 states and 62629 transitions. [2021-11-23 02:53:22,624 INFO L78 Accepts]: Start accepts. Automaton has 52117 states and 62629 transitions. Word has length 93 [2021-11-23 02:53:22,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:53:22,625 INFO L470 AbstractCegarLoop]: Abstraction has 52117 states and 62629 transitions. [2021-11-23 02:53:22,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:53:22,625 INFO L276 IsEmpty]: Start isEmpty. Operand 52117 states and 62629 transitions. [2021-11-23 02:53:22,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 02:53:22,627 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:53:22,627 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, 1, 1, 1, 1, 1, 1] [2021-11-23 02:53:22,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 02:53:22,627 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-23 02:53:22,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:53:22,628 INFO L85 PathProgramCache]: Analyzing trace with hash -816629734, now seen corresponding path program 1 times [2021-11-23 02:53:22,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:53:22,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346768520] [2021-11-23 02:53:22,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:53:22,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:53:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:53:22,724 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 02:53:22,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:53:22,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346768520] [2021-11-23 02:53:22,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346768520] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:53:22,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:53:22,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:53:22,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219570331] [2021-11-23 02:53:22,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:53:22,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:53:22,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:53:22,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:53:22,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:53:22,726 INFO L87 Difference]: Start difference. First operand 52117 states and 62629 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:53:23,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:53:23,799 INFO L93 Difference]: Finished difference Result 52117 states and 62629 transitions. [2021-11-23 02:53:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:53:23,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-11-23 02:53:23,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:53:23,903 INFO L225 Difference]: With dead ends: 52117 [2021-11-23 02:53:23,903 INFO L226 Difference]: Without dead ends: 52111 [2021-11-23 02:53:23,927 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:53:23,928 INFO L933 BasicCegarLoop]: 7436 mSDtfsCounter, 7361 mSDsluCounter, 7352 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7361 SdHoareTripleChecker+Valid, 14788 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:53:23,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7361 Valid, 14788 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:53:23,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52111 states. [2021-11-23 02:53:25,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52111 to 52111. [2021-11-23 02:53:25,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52111 states, 52072 states have (on average 1.2026232908280843) internal successors, (62623), 52110 states have internal predecessors, (62623), 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) [2021-11-23 02:53:25,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52111 states to 52111 states and 62623 transitions. [2021-11-23 02:53:25,685 INFO L78 Accepts]: Start accepts. Automaton has 52111 states and 62623 transitions. Word has length 95 [2021-11-23 02:53:25,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:53:25,685 INFO L470 AbstractCegarLoop]: Abstraction has 52111 states and 62623 transitions. [2021-11-23 02:53:25,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:53:25,685 INFO L276 IsEmpty]: Start isEmpty. Operand 52111 states and 62623 transitions. [2021-11-23 02:53:25,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 02:53:25,687 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:53:25,688 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:53:25,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 02:53:25,688 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 51 more)] === [2021-11-23 02:53:25,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:53:25,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1197992893, now seen corresponding path program 1 times [2021-11-23 02:53:25,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:53:25,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929394281] [2021-11-23 02:53:25,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:53:25,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:53:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:53:25,780 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 02:53:25,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:53:25,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929394281] [2021-11-23 02:53:25,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929394281] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:53:25,780 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:53:25,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:53:25,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118781446] [2021-11-23 02:53:25,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:53:25,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:53:25,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:53:25,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:53:25,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:53:25,782 INFO L87 Difference]: Start difference. First operand 52111 states and 62623 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:53:27,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:53:27,002 INFO L93 Difference]: Finished difference Result 52111 states and 62623 transitions. [2021-11-23 02:53:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:53:27,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2021-11-23 02:53:27,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:53:27,099 INFO L225 Difference]: With dead ends: 52111 [2021-11-23 02:53:27,099 INFO L226 Difference]: Without dead ends: 52105 [2021-11-23 02:53:27,119 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:53:27,120 INFO L933 BasicCegarLoop]: 7430 mSDtfsCounter, 7353 mSDsluCounter, 7349 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7353 SdHoareTripleChecker+Valid, 14779 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:53:27,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7353 Valid, 14779 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:53:27,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52105 states.