./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5b36d44f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.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 a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 17:24:10,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 17:24:10,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 17:24:10,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 17:24:10,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 17:24:10,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 17:24:10,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 17:24:10,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 17:24:10,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 17:24:10,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 17:24:10,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 17:24:10,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 17:24:10,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 17:24:10,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 17:24:10,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 17:24:10,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 17:24:10,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 17:24:10,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 17:24:10,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 17:24:10,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 17:24:10,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 17:24:10,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 17:24:10,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 17:24:10,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 17:24:10,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 17:24:10,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 17:24:10,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 17:24:10,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 17:24:10,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 17:24:10,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 17:24:10,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 17:24:10,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 17:24:10,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 17:24:10,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 17:24:10,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 17:24:10,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 17:24:10,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 17:24:10,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 17:24:10,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 17:24:10,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 17:24:10,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 17:24:10,215 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 17:24:10,236 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 17:24:10,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 17:24:10,236 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 17:24:10,236 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 17:24:10,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 17:24:10,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 17:24:10,238 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 17:24:10,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 17:24:10,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 17:24:10,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 17:24:10,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 17:24:10,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 17:24:10,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 17:24:10,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 17:24:10,239 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 17:24:10,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 17:24:10,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 17:24:10,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 17:24:10,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 17:24:10,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 17:24:10,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 17:24:10,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 17:24:10,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 17:24:10,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 17:24:10,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 17:24:10,241 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 17:24:10,241 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 17:24:10,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 17:24:10,241 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 17:24:10,241 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 [2021-11-07 17:24:10,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 17:24:10,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 17:24:10,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 17:24:10,460 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 17:24:10,461 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 17:24:10,462 INFO L432 ainManager$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-ethernet-atheros-atlx-atl2.cil.i [2021-11-07 17:24:10,527 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0e8cee34/841ec31182b141fa8f53993797aeb576/FLAGb78b97c3d [2021-11-07 17:24:11,100 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 17:24:11,101 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2021-11-07 17:24:11,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0e8cee34/841ec31182b141fa8f53993797aeb576/FLAGb78b97c3d [2021-11-07 17:24:11,303 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0e8cee34/841ec31182b141fa8f53993797aeb576 [2021-11-07 17:24:11,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 17:24:11,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 17:24:11,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 17:24:11,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 17:24:11,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 17:24:11,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:24:11" (1/1) ... [2021-11-07 17:24:11,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3447148e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:24:11, skipping insertion in model container [2021-11-07 17:24:11,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:24:11" (1/1) ... [2021-11-07 17:24:11,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 17:24:11,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 17:24:13,346 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2021-11-07 17:24:13,348 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2021-11-07 17:24:13,349 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2021-11-07 17:24:13,350 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2021-11-07 17:24:13,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 17:24:13,405 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 17:24:13,708 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2021-11-07 17:24:13,709 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2021-11-07 17:24:13,709 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2021-11-07 17:24:13,709 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2021-11-07 17:24:13,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 17:24:13,869 INFO L208 MainTranslator]: Completed translation [2021-11-07 17:24:13,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:24:13 WrapperNode [2021-11-07 17:24:13,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 17:24:13,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 17:24:13,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 17:24:13,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 17:24:13,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:24:13" (1/1) ... [2021-11-07 17:24:13,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:24:13" (1/1) ... [2021-11-07 17:24:14,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 17:24:14,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 17:24:14,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 17:24:14,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 17:24:14,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:24:13" (1/1) ... [2021-11-07 17:24:14,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:24:13" (1/1) ... [2021-11-07 17:24:14,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:24:13" (1/1) ... [2021-11-07 17:24:14,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:24:13" (1/1) ... [2021-11-07 17:24:14,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:24:13" (1/1) ... [2021-11-07 17:24:15,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:24:13" (1/1) ... [2021-11-07 17:24:15,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:24:13" (1/1) ... [2021-11-07 17:24:15,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 17:24:15,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 17:24:15,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 17:24:15,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 17:24:15,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:24:13" (1/1) ... [2021-11-07 17:24:15,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 17:24:15,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 17:24:15,248 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) [2021-11-07 17:24:15,266 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 [2021-11-07 17:24:15,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 17:24:15,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-07 17:24:15,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 17:24:15,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 17:24:15,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 17:24:15,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 17:24:15,284 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 17:24:15,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 17:24:15,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 17:24:15,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 17:24:15,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 17:24:15,285 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-07 17:24:15,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 17:24:15,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 17:24:15,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 17:24:15,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 17:24:15,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 17:24:15,285 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-07 17:24:25,907 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-07 17:24:25,907 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2021-11-07 17:24:25,907 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-07 17:24:25,908 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-07 17:24:25,908 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 17:24:25,909 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-07 17:24:25,933 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 17:24:25,933 INFO L299 CfgBuilder]: Removed 5420 assume(true) statements. [2021-11-07 17:24:25,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:24:25 BoogieIcfgContainer [2021-11-07 17:24:25,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 17:24:25,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 17:24:25,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 17:24:25,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 17:24:25,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:24:11" (1/3) ... [2021-11-07 17:24:25,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cca9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:24:25, skipping insertion in model container [2021-11-07 17:24:25,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:24:13" (2/3) ... [2021-11-07 17:24:25,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35cca9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:24:25, skipping insertion in model container [2021-11-07 17:24:25,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:24:25" (3/3) ... [2021-11-07 17:24:25,945 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2021-11-07 17:24:25,948 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 17:24:25,948 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2021-11-07 17:24:25,990 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 17:24:25,994 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 [2021-11-07 17:24:25,994 INFO L340 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2021-11-07 17:24:26,040 INFO L276 IsEmpty]: Start isEmpty. Operand has 4888 states, 4826 states have (on average 1.325528387898881) internal successors, (6397), 4887 states have internal predecessors, (6397), 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) [2021-11-07 17:24:26,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 17:24:26,047 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 17:24:26,047 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 17:24:26,048 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-11-07 17:24:26,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 17:24:26,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1690076153, now seen corresponding path program 1 times [2021-11-07 17:24:26,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 17:24:26,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868327256] [2021-11-07 17:24:26,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 17:24:26,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 17:24:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 17:24:26,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 17:24:26,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 17:24:26,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868327256] [2021-11-07 17:24:26,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868327256] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 17:24:26,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 17:24:26,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 17:24:26,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949037990] [2021-11-07 17:24:26,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 17:24:26,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 17:24:26,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 17:24:26,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 17:24:26,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 17:24:26,523 INFO L87 Difference]: Start difference. First operand has 4888 states, 4826 states have (on average 1.325528387898881) internal successors, (6397), 4887 states have internal predecessors, (6397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 17:24:27,789 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 17:24:28,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 17:24:28,254 INFO L93 Difference]: Finished difference Result 13916 states and 18124 transitions. [2021-11-07 17:24:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 17:24:28,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-07 17:24:28,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 17:24:28,305 INFO L225 Difference]: With dead ends: 13916 [2021-11-07 17:24:28,305 INFO L226 Difference]: Without dead ends: 8857 [2021-11-07 17:24:28,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.60ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 17:24:28,328 INFO L933 BasicCegarLoop]: 6015 mSDtfsCounter, 5697 mSDsluCounter, 5976 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1263.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5697 SdHoareTripleChecker+Valid, 11991 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 36.99ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1327.23ms IncrementalHoareTripleChecker+Time [2021-11-07 17:24:28,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5697 Valid, 11991 Invalid, 14 Unknown, 0 Unchecked, 36.99ms Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 1327.23ms Time] [2021-11-07 17:24:28,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8857 states. [2021-11-07 17:24:28,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8857 to 8793. [2021-11-07 17:24:28,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8793 states, 8731 states have (on average 1.2662925209025313) internal successors, (11056), 8792 states have internal predecessors, (11056), 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) [2021-11-07 17:24:28,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8793 states to 8793 states and 11056 transitions. [2021-11-07 17:24:28,615 INFO L78 Accepts]: Start accepts. Automaton has 8793 states and 11056 transitions. Word has length 54 [2021-11-07 17:24:28,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 17:24:28,616 INFO L470 AbstractCegarLoop]: Abstraction has 8793 states and 11056 transitions. [2021-11-07 17:24:28,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 17:24:28,617 INFO L276 IsEmpty]: Start isEmpty. Operand 8793 states and 11056 transitions. [2021-11-07 17:24:28,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-07 17:24:28,623 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 17:24:28,623 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] [2021-11-07 17:24:28,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 17:24:28,625 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-11-07 17:24:28,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 17:24:28,627 INFO L85 PathProgramCache]: Analyzing trace with hash 511234318, now seen corresponding path program 1 times [2021-11-07 17:24:28,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 17:24:28,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761502855] [2021-11-07 17:24:28,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 17:24:28,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 17:24:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 17:24:28,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 17:24:28,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 17:24:28,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761502855] [2021-11-07 17:24:28,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761502855] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 17:24:28,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 17:24:28,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 17:24:28,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52478329] [2021-11-07 17:24:28,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 17:24:28,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 17:24:28,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 17:24:28,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 17:24:28,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 17:24:28,768 INFO L87 Difference]: Start difference. First operand 8793 states and 11056 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2021-11-07 17:24:30,191 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 17:24:30,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 17:24:30,631 INFO L93 Difference]: Finished difference Result 24437 states and 30846 transitions. [2021-11-07 17:24:30,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 17:24:30,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 57 [2021-11-07 17:24:30,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 17:24:30,684 INFO L225 Difference]: With dead ends: 24437 [2021-11-07 17:24:30,685 INFO L226 Difference]: Without dead ends: 15752 [2021-11-07 17:24:30,706 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.63ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 17:24:30,707 INFO L933 BasicCegarLoop]: 5655 mSDtfsCounter, 5451 mSDsluCounter, 4688 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1488.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5451 SdHoareTripleChecker+Valid, 10343 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.72ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1565.44ms IncrementalHoareTripleChecker+Time [2021-11-07 17:24:30,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5451 Valid, 10343 Invalid, 76 Unknown, 0 Unchecked, 15.72ms Time], IncrementalHoareTripleChecker [26 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 1565.44ms Time] [2021-11-07 17:24:30,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15752 states. [2021-11-07 17:24:31,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15752 to 14760. [2021-11-07 17:24:31,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14760 states, 14698 states have (on average 1.280242209824466) internal successors, (18817), 14759 states have internal predecessors, (18817), 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) [2021-11-07 17:24:31,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14760 states to 14760 states and 18817 transitions. [2021-11-07 17:24:31,171 INFO L78 Accepts]: Start accepts. Automaton has 14760 states and 18817 transitions. Word has length 57 [2021-11-07 17:24:31,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 17:24:31,172 INFO L470 AbstractCegarLoop]: Abstraction has 14760 states and 18817 transitions. [2021-11-07 17:24:31,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2021-11-07 17:24:31,173 INFO L276 IsEmpty]: Start isEmpty. Operand 14760 states and 18817 transitions. [2021-11-07 17:24:31,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 17:24:31,174 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 17:24:31,174 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] [2021-11-07 17:24:31,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 17:24:31,174 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-11-07 17:24:31,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 17:24:31,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1200372781, now seen corresponding path program 1 times [2021-11-07 17:24:31,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 17:24:31,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352895992] [2021-11-07 17:24:31,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 17:24:31,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 17:24:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 17:24:31,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 17:24:31,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 17:24:31,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352895992] [2021-11-07 17:24:31,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352895992] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 17:24:31,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 17:24:31,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 17:24:31,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113866733] [2021-11-07 17:24:31,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 17:24:31,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 17:24:31,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 17:24:31,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 17:24:31,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 17:24:31,266 INFO L87 Difference]: Start difference. First operand 14760 states and 18817 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-11-07 17:24:32,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 17:24:32,217 INFO L93 Difference]: Finished difference Result 43016 states and 54859 transitions. [2021-11-07 17:24:32,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 17:24:32,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 58 [2021-11-07 17:24:32,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 17:24:32,280 INFO L225 Difference]: With dead ends: 43016 [2021-11-07 17:24:32,281 INFO L226 Difference]: Without dead ends: 28364 [2021-11-07 17:24:32,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.56ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 17:24:32,311 INFO L933 BasicCegarLoop]: 5665 mSDtfsCounter, 5285 mSDsluCounter, 5488 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 542.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5285 SdHoareTripleChecker+Valid, 11153 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.34ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 602.78ms IncrementalHoareTripleChecker+Time [2021-11-07 17:24:32,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5285 Valid, 11153 Invalid, 58 Unknown, 0 Unchecked, 12.34ms Time], IncrementalHoareTripleChecker [14 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 602.78ms Time] [2021-11-07 17:24:32,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28364 states. [2021-11-07 17:24:32,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28364 to 27724. [2021-11-07 17:24:32,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27724 states, 27662 states have (on average 1.2830959438941507) internal successors, (35493), 27723 states have internal predecessors, (35493), 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) [2021-11-07 17:24:33,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27724 states to 27724 states and 35493 transitions. [2021-11-07 17:24:33,035 INFO L78 Accepts]: Start accepts. Automaton has 27724 states and 35493 transitions. Word has length 58 [2021-11-07 17:24:33,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 17:24:33,037 INFO L470 AbstractCegarLoop]: Abstraction has 27724 states and 35493 transitions. [2021-11-07 17:24:33,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-11-07 17:24:33,037 INFO L276 IsEmpty]: Start isEmpty. Operand 27724 states and 35493 transitions. [2021-11-07 17:24:33,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-07 17:24:33,039 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 17:24:33,039 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 17:24:33,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 17:24:33,039 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-11-07 17:24:33,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 17:24:33,040 INFO L85 PathProgramCache]: Analyzing trace with hash -771378385, now seen corresponding path program 1 times [2021-11-07 17:24:33,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 17:24:33,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176480003] [2021-11-07 17:24:33,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 17:24:33,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 17:24:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 17:24:33,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 17:24:33,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 17:24:33,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176480003] [2021-11-07 17:24:33,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176480003] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 17:24:33,161 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 17:24:33,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 17:24:33,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143568128] [2021-11-07 17:24:33,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 17:24:33,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 17:24:33,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 17:24:33,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 17:24:33,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 17:24:33,162 INFO L87 Difference]: Start difference. First operand 27724 states and 35493 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 17:24:34,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 17:24:34,946 INFO L93 Difference]: Finished difference Result 74334 states and 95107 transitions. [2021-11-07 17:24:34,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 17:24:34,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-11-07 17:24:34,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 17:24:35,050 INFO L225 Difference]: With dead ends: 74334 [2021-11-07 17:24:35,050 INFO L226 Difference]: Without dead ends: 46718 [2021-11-07 17:24:35,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.44ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 17:24:35,106 INFO L933 BasicCegarLoop]: 5673 mSDtfsCounter, 3865 mSDsluCounter, 5508 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 965.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3865 SdHoareTripleChecker+Valid, 11181 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.54ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1034.46ms IncrementalHoareTripleChecker+Time [2021-11-07 17:24:35,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3865 Valid, 11181 Invalid, 103 Unknown, 0 Unchecked, 12.54ms Time], IncrementalHoareTripleChecker [7 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 1034.46ms Time] [2021-11-07 17:24:35,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46718 states. [2021-11-07 17:24:36,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46718 to 46252. [2021-11-07 17:24:36,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46252 states, 46190 states have (on average 1.2819441437540593) internal successors, (59213), 46251 states have internal predecessors, (59213), 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) [2021-11-07 17:24:36,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46252 states to 46252 states and 59213 transitions. [2021-11-07 17:24:36,370 INFO L78 Accepts]: Start accepts. Automaton has 46252 states and 59213 transitions. Word has length 74 [2021-11-07 17:24:36,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 17:24:36,371 INFO L470 AbstractCegarLoop]: Abstraction has 46252 states and 59213 transitions. [2021-11-07 17:24:36,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 17:24:36,371 INFO L276 IsEmpty]: Start isEmpty. Operand 46252 states and 59213 transitions. [2021-11-07 17:24:36,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-07 17:24:36,372 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 17:24:36,373 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 17:24:36,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 17:24:36,373 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-11-07 17:24:36,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 17:24:36,373 INFO L85 PathProgramCache]: Analyzing trace with hash -134515053, now seen corresponding path program 1 times [2021-11-07 17:24:36,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 17:24:36,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022405034] [2021-11-07 17:24:36,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 17:24:36,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 17:24:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 17:24:36,495 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 17:24:36,495 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 17:24:36,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022405034] [2021-11-07 17:24:36,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022405034] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 17:24:36,496 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 17:24:36,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 17:24:36,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199123558] [2021-11-07 17:24:36,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 17:24:36,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 17:24:36,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 17:24:36,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 17:24:36,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 17:24:36,499 INFO L87 Difference]: Start difference. First operand 46252 states and 59213 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2021-11-07 17:24:38,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 17:24:38,148 INFO L93 Difference]: Finished difference Result 92444 states and 118321 transitions. [2021-11-07 17:24:38,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 17:24:38,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 79 [2021-11-07 17:24:38,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 17:24:38,274 INFO L225 Difference]: With dead ends: 92444 [2021-11-07 17:24:38,274 INFO L226 Difference]: Without dead ends: 69183 [2021-11-07 17:24:38,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.33ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 17:24:38,328 INFO L933 BasicCegarLoop]: 11083 mSDtfsCounter, 5466 mSDsluCounter, 5605 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 702.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5466 SdHoareTripleChecker+Valid, 16688 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.76ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 752.64ms IncrementalHoareTripleChecker+Time [2021-11-07 17:24:38,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5466 Valid, 16688 Invalid, 10 Unknown, 0 Unchecked, 11.76ms Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 752.64ms Time] [2021-11-07 17:24:38,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69183 states. [2021-11-07 17:24:39,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69183 to 69105. [2021-11-07 17:24:39,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69105 states, 69043 states have (on average 1.2822878496009733) internal successors, (88533), 69104 states have internal predecessors, (88533), 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) [2021-11-07 17:24:40,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69105 states to 69105 states and 88533 transitions. [2021-11-07 17:24:40,035 INFO L78 Accepts]: Start accepts. Automaton has 69105 states and 88533 transitions. Word has length 79 [2021-11-07 17:24:40,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 17:24:40,036 INFO L470 AbstractCegarLoop]: Abstraction has 69105 states and 88533 transitions. [2021-11-07 17:24:40,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2021-11-07 17:24:40,037 INFO L276 IsEmpty]: Start isEmpty. Operand 69105 states and 88533 transitions. [2021-11-07 17:24:40,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-07 17:24:40,038 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 17:24:40,038 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 17:24:40,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 17:24:40,039 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-11-07 17:24:40,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 17:24:40,039 INFO L85 PathProgramCache]: Analyzing trace with hash 123650385, now seen corresponding path program 1 times [2021-11-07 17:24:40,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 17:24:40,039 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830399024] [2021-11-07 17:24:40,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 17:24:40,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 17:24:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 17:24:40,198 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 17:24:40,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 17:24:40,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830399024] [2021-11-07 17:24:40,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830399024] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 17:24:40,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 17:24:40,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 17:24:40,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841650002] [2021-11-07 17:24:40,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 17:24:40,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 17:24:40,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 17:24:40,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 17:24:40,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 17:24:40,201 INFO L87 Difference]: Start difference. First operand 69105 states and 88533 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 17:24:41,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 17:24:41,287 INFO L93 Difference]: Finished difference Result 69105 states and 88533 transitions. [2021-11-07 17:24:41,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 17:24:41,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2021-11-07 17:24:41,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 17:24:41,405 INFO L225 Difference]: With dead ends: 69105 [2021-11-07 17:24:41,405 INFO L226 Difference]: Without dead ends: 69101 [2021-11-07 17:24:41,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.68ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 17:24:41,431 INFO L933 BasicCegarLoop]: 5660 mSDtfsCounter, 5483 mSDsluCounter, 5676 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 82.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5483 SdHoareTripleChecker+Valid, 11336 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.48ms SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 104.03ms IncrementalHoareTripleChecker+Time [2021-11-07 17:24:41,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5483 Valid, 11336 Invalid, 144 Unknown, 0 Unchecked, 18.48ms Time], IncrementalHoareTripleChecker [35 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 104.03ms Time] [2021-11-07 17:24:41,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69101 states. [2021-11-07 17:24:42,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69101 to 69101. [2021-11-07 17:24:42,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69101 states, 69041 states have (on average 1.2822670587042482) internal successors, (88529), 69100 states have internal predecessors, (88529), 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) [2021-11-07 17:24:43,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69101 states to 69101 states and 88529 transitions. [2021-11-07 17:24:43,065 INFO L78 Accepts]: Start accepts. Automaton has 69101 states and 88529 transitions. Word has length 79 [2021-11-07 17:24:43,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 17:24:43,065 INFO L470 AbstractCegarLoop]: Abstraction has 69101 states and 88529 transitions. [2021-11-07 17:24:43,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 17:24:43,065 INFO L276 IsEmpty]: Start isEmpty. Operand 69101 states and 88529 transitions. [2021-11-07 17:24:43,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-07 17:24:43,067 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 17:24:43,067 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 17:24:43,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 17:24:43,067 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-11-07 17:24:43,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 17:24:43,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1430919756, now seen corresponding path program 1 times [2021-11-07 17:24:43,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 17:24:43,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354009023] [2021-11-07 17:24:43,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 17:24:43,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 17:24:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 17:24:43,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 17:24:43,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 17:24:43,192 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354009023] [2021-11-07 17:24:43,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354009023] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 17:24:43,192 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 17:24:43,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 17:24:43,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557664814] [2021-11-07 17:24:43,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 17:24:43,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 17:24:43,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 17:24:43,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 17:24:43,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 17:24:43,194 INFO L87 Difference]: Start difference. First operand 69101 states and 88529 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) [2021-11-07 17:24:44,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 17:24:44,290 INFO L93 Difference]: Finished difference Result 69101 states and 88529 transitions. [2021-11-07 17:24:44,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 17:24:44,290 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 81 [2021-11-07 17:24:44,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 17:24:44,396 INFO L225 Difference]: With dead ends: 69101 [2021-11-07 17:24:44,396 INFO L226 Difference]: Without dead ends: 69097 [2021-11-07 17:24:44,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.70ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 17:24:44,421 INFO L933 BasicCegarLoop]: 5670 mSDtfsCounter, 5601 mSDsluCounter, 5590 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5601 SdHoareTripleChecker+Valid, 11260 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.64ms SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.29ms IncrementalHoareTripleChecker+Time [2021-11-07 17:24:44,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5601 Valid, 11260 Invalid, 88 Unknown, 0 Unchecked, 11.64ms Time], IncrementalHoareTripleChecker [30 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 53.29ms Time] [2021-11-07 17:24:44,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69097 states. [2021-11-07 17:24:45,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69097 to 69097. [2021-11-07 17:24:45,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69097 states, 69039 states have (on average 1.2822462666029346) internal successors, (88525), 69096 states have internal predecessors, (88525), 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) [2021-11-07 17:24:46,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69097 states to 69097 states and 88525 transitions. [2021-11-07 17:24:46,111 INFO L78 Accepts]: Start accepts. Automaton has 69097 states and 88525 transitions. Word has length 81 [2021-11-07 17:24:46,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 17:24:46,112 INFO L470 AbstractCegarLoop]: Abstraction has 69097 states and 88525 transitions. [2021-11-07 17:24:46,112 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) [2021-11-07 17:24:46,112 INFO L276 IsEmpty]: Start isEmpty. Operand 69097 states and 88525 transitions. [2021-11-07 17:24:46,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-07 17:24:46,114 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 17:24:46,114 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 17:24:46,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 17:24:46,114 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-11-07 17:24:46,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 17:24:46,115 INFO L85 PathProgramCache]: Analyzing trace with hash -724205929, now seen corresponding path program 1 times [2021-11-07 17:24:46,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 17:24:46,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066210693] [2021-11-07 17:24:46,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 17:24:46,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 17:24:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 17:24:46,239 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 17:24:46,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 17:24:46,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066210693] [2021-11-07 17:24:46,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066210693] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 17:24:46,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 17:24:46,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 17:24:46,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969797] [2021-11-07 17:24:46,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 17:24:46,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 17:24:46,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 17:24:46,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 17:24:46,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 17:24:46,243 INFO L87 Difference]: Start difference. First operand 69097 states and 88525 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) [2021-11-07 17:24:47,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 17:24:47,514 INFO L93 Difference]: Finished difference Result 69097 states and 88525 transitions. [2021-11-07 17:24:47,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 17:24:47,514 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 83 [2021-11-07 17:24:47,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 17:24:47,624 INFO L225 Difference]: With dead ends: 69097 [2021-11-07 17:24:47,624 INFO L226 Difference]: Without dead ends: 69093 [2021-11-07 17:24:47,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.21ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 17:24:47,652 INFO L933 BasicCegarLoop]: 5666 mSDtfsCounter, 5595 mSDsluCounter, 5588 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5595 SdHoareTripleChecker+Valid, 11254 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.51ms SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.87ms IncrementalHoareTripleChecker+Time [2021-11-07 17:24:47,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5595 Valid, 11254 Invalid, 86 Unknown, 0 Unchecked, 10.51ms Time], IncrementalHoareTripleChecker [30 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 48.87ms Time] [2021-11-07 17:24:47,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69093 states. [2021-11-07 17:24:49,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69093 to 69093. [2021-11-07 17:24:49,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69093 states, 69037 states have (on average 1.2822254732969278) internal successors, (88521), 69092 states have internal predecessors, (88521), 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) [2021-11-07 17:24:49,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69093 states to 69093 states and 88521 transitions. [2021-11-07 17:24:49,457 INFO L78 Accepts]: Start accepts. Automaton has 69093 states and 88521 transitions. Word has length 83 [2021-11-07 17:24:49,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 17:24:49,457 INFO L470 AbstractCegarLoop]: Abstraction has 69093 states and 88521 transitions. [2021-11-07 17:24:49,457 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) [2021-11-07 17:24:49,458 INFO L276 IsEmpty]: Start isEmpty. Operand 69093 states and 88521 transitions. [2021-11-07 17:24:49,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-07 17:24:49,460 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 17:24:49,460 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 17:24:49,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 17:24:49,460 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-11-07 17:24:49,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 17:24:49,461 INFO L85 PathProgramCache]: Analyzing trace with hash -177050630, now seen corresponding path program 1 times [2021-11-07 17:24:49,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 17:24:49,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845580535] [2021-11-07 17:24:49,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 17:24:49,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 17:24:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 17:24:49,769 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 17:24:49,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 17:24:49,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845580535] [2021-11-07 17:24:49,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845580535] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 17:24:49,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 17:24:49,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 17:24:49,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38092673] [2021-11-07 17:24:49,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 17:24:49,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 17:24:49,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 17:24:49,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 17:24:49,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 17:24:49,772 INFO L87 Difference]: Start difference. First operand 69093 states and 88521 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) [2021-11-07 17:24:50,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 17:24:50,941 INFO L93 Difference]: Finished difference Result 69093 states and 88521 transitions. [2021-11-07 17:24:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 17:24:50,941 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 85 [2021-11-07 17:24:50,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 17:24:51,054 INFO L225 Difference]: With dead ends: 69093 [2021-11-07 17:24:51,054 INFO L226 Difference]: Without dead ends: 69089 [2021-11-07 17:24:51,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.64ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 17:24:51,178 INFO L933 BasicCegarLoop]: 5662 mSDtfsCounter, 5589 mSDsluCounter, 5586 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5589 SdHoareTripleChecker+Valid, 11248 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.99ms SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.10ms IncrementalHoareTripleChecker+Time [2021-11-07 17:24:51,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5589 Valid, 11248 Invalid, 84 Unknown, 0 Unchecked, 9.99ms Time], IncrementalHoareTripleChecker [30 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 52.10ms Time] [2021-11-07 17:24:51,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69089 states. [2021-11-07 17:24:52,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69089 to 69089. [2021-11-07 17:24:52,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69089 states, 69035 states have (on average 1.282204678786123) internal successors, (88517), 69088 states have internal predecessors, (88517), 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) [2021-11-07 17:24:53,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69089 states to 69089 states and 88517 transitions. [2021-11-07 17:24:53,087 INFO L78 Accepts]: Start accepts. Automaton has 69089 states and 88517 transitions. Word has length 85 [2021-11-07 17:24:53,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 17:24:53,087 INFO L470 AbstractCegarLoop]: Abstraction has 69089 states and 88517 transitions. [2021-11-07 17:24:53,087 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) [2021-11-07 17:24:53,087 INFO L276 IsEmpty]: Start isEmpty. Operand 69089 states and 88517 transitions. [2021-11-07 17:24:53,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-07 17:24:53,089 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 17:24:53,089 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 17:24:53,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 17:24:53,089 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2021-11-07 17:24:53,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 17:24:53,090 INFO L85 PathProgramCache]: Analyzing trace with hash 213884402, now seen corresponding path program 1 times [2021-11-07 17:24:53,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 17:24:53,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638219328] [2021-11-07 17:24:53,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 17:24:53,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 17:24:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 17:24:53,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 17:24:53,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 17:24:53,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638219328] [2021-11-07 17:24:53,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638219328] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 17:24:53,185 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 17:24:53,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 17:24:53,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892664516] [2021-11-07 17:24:53,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 17:24:53,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 17:24:53,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 17:24:53,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 17:24:53,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 17:24:53,186 INFO L87 Difference]: Start difference. First operand 69089 states and 88517 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 17:24:54,308 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 17:24:55,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 17:24:55,858 INFO L93 Difference]: Finished difference Result 126645 states and 162515 transitions. [2021-11-07 17:24:55,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 17:24:55,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-11-07 17:24:55,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 17:24:55,957 INFO L225 Difference]: With dead ends: 126645 [2021-11-07 17:24:55,957 INFO L226 Difference]: Without dead ends: 57664 [2021-11-07 17:24:56,024 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.48ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 17:24:56,025 INFO L933 BasicCegarLoop]: 7669 mSDtfsCounter, 2194 mSDsluCounter, 5556 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1177.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2194 SdHoareTripleChecker+Valid, 13225 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.43ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1246.17ms IncrementalHoareTripleChecker+Time [2021-11-07 17:24:56,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2194 Valid, 13225 Invalid, 94 Unknown, 0 Unchecked, 8.43ms Time], IncrementalHoareTripleChecker [19 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 1246.17ms Time] [2021-11-07 17:24:56,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57664 states.