/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 13:06:51,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 13:06:51,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 13:06:51,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 13:06:51,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 13:06:51,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 13:06:51,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 13:06:51,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 13:06:51,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 13:06:51,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 13:06:51,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 13:06:51,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 13:06:51,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 13:06:51,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 13:06:51,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 13:06:51,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 13:06:51,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 13:06:51,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 13:06:51,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 13:06:51,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 13:06:51,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 13:06:51,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 13:06:51,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 13:06:51,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 13:06:51,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 13:06:51,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 13:06:51,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 13:06:51,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 13:06:51,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 13:06:51,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 13:06:51,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 13:06:51,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 13:06:51,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 13:06:51,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 13:06:51,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 13:06:51,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 13:06:51,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 13:06:51,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 13:06:51,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 13:06:51,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 13:06:51,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 13:06:51,322 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-21 13:06:51,377 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 13:06:51,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 13:06:51,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 13:06:51,381 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 13:06:51,382 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 13:06:51,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 13:06:51,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 13:06:51,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 13:06:51,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 13:06:51,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 13:06:51,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 13:06:51,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 13:06:51,384 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 13:06:51,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 13:06:51,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 13:06:51,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 13:06:51,386 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 13:06:51,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 13:06:51,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 13:06:51,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 13:06:51,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 13:06:51,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 13:06:51,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 13:06:51,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 13:06:51,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 13:06:51,389 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 13:06:51,389 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-21 13:06:51,389 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 13:06:51,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 13:06:51,867 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 13:06:51,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 13:06:51,874 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 13:06:51,875 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 13:06:51,876 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i [2020-09-21 13:06:51,965 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45f93fee0/fd826bac0aa2465d876cfbecc77f36e5/FLAG182eab731 [2020-09-21 13:06:52,844 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 13:06:52,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i [2020-09-21 13:06:52,890 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45f93fee0/fd826bac0aa2465d876cfbecc77f36e5/FLAG182eab731 [2020-09-21 13:06:53,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45f93fee0/fd826bac0aa2465d876cfbecc77f36e5 [2020-09-21 13:06:53,369 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 13:06:53,375 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 13:06:53,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 13:06:53,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 13:06:53,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 13:06:53,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 01:06:53" (1/1) ... [2020-09-21 13:06:53,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d8ee0c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:06:53, skipping insertion in model container [2020-09-21 13:06:53,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 01:06:53" (1/1) ... [2020-09-21 13:06:53,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 13:06:53,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 13:06:55,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 13:06:55,292 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 13:06:55,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 13:06:55,856 INFO L208 MainTranslator]: Completed translation [2020-09-21 13:06:55,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:06:55 WrapperNode [2020-09-21 13:06:55,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 13:06:55,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 13:06:55,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 13:06:55,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 13:06:55,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:06:55" (1/1) ... [2020-09-21 13:06:55,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:06:55" (1/1) ... [2020-09-21 13:06:55,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:06:55" (1/1) ... [2020-09-21 13:06:55,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:06:55" (1/1) ... [2020-09-21 13:06:56,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:06:55" (1/1) ... [2020-09-21 13:06:56,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:06:55" (1/1) ... [2020-09-21 13:06:56,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:06:55" (1/1) ... [2020-09-21 13:06:56,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 13:06:56,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 13:06:56,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 13:06:56,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 13:06:56,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:06:55" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 13:06:56,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 13:06:56,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 13:06:56,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2020-09-21 13:06:56,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2020-09-21 13:06:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-21 13:06:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-09-21 13:06:56,276 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-09-21 13:06:56,276 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-09-21 13:06:56,276 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-09-21 13:06:56,277 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-09-21 13:06:56,278 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-21 13:06:56,278 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2020-09-21 13:06:56,278 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2020-09-21 13:06:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2020-09-21 13:06:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-21 13:06:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-09-21 13:06:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-09-21 13:06:56,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2020-09-21 13:06:56,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2020-09-21 13:06:56,283 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2020-09-21 13:06:56,283 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-09-21 13:06:56,283 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-09-21 13:06:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-21 13:06:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-21 13:06:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2020-09-21 13:06:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2020-09-21 13:06:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-09-21 13:06:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-09-21 13:06:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2020-09-21 13:06:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2020-09-21 13:06:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-09-21 13:06:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-09-21 13:06:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-09-21 13:06:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-09-21 13:06:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-09-21 13:06:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 13:06:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-21 13:06:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-21 13:06:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-21 13:06:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-21 13:06:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-21 13:06:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-21 13:06:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-21 13:06:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-21 13:06:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2020-09-21 13:06:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-09-21 13:06:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-21 13:06:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-09-21 13:06:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2020-09-21 13:06:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-09-21 13:06:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-09-21 13:06:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-09-21 13:06:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-09-21 13:06:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2020-09-21 13:06:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2020-09-21 13:06:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2020-09-21 13:06:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-09-21 13:06:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure of_get_phy_mode [2020-09-21 13:06:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure of_get_mac_address [2020-09-21 13:06:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_start [2020-09-21 13:06:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_open [2020-09-21 13:06:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_close [2020-09-21 13:06:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_start_xmit [2020-09-21 13:06:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_rx [2020-09-21 13:06:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_interrupt [2020-09-21 13:06:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_poll_controller [2020-09-21 13:06:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_probe [2020-09-21 13:06:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_remove [2020-09-21 13:06:56,294 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_suspend [2020-09-21 13:06:56,294 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_resume [2020-09-21 13:06:56,294 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_driver_init [2020-09-21 13:06:56,294 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_driver_exit [2020-09-21 13:06:56,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_1 [2020-09-21 13:06:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2020-09-21 13:06:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 13:06:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-09-21 13:06:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-09-21 13:06:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-09-21 13:06:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-21 13:06:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-21 13:06:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-21 13:06:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-21 13:06:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-21 13:06:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_12 [2020-09-21 13:06:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-09-21 13:06:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_14 [2020-09-21 13:06:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_15 [2020-09-21 13:06:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_16 [2020-09-21 13:06:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_17 [2020-09-21 13:06:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_18 [2020-09-21 13:06:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-21 13:06:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-21 13:06:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-21 13:06:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-21 13:06:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-21 13:06:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-21 13:06:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-21 13:06:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-21 13:06:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-21 13:06:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-21 13:06:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-21 13:06:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-21 13:06:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-21 13:06:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-21 13:06:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-21 13:06:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-21 13:06:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-21 13:06:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2020-09-21 13:06:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-09-21 13:06:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-09-21 13:06:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-09-21 13:06:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2020-09-21 13:06:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable [2020-09-21 13:06:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_enable [2020-09-21 13:06:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-09-21 13:06:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-09-21 13:06:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2020-09-21 13:06:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2020-09-21 13:06:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2020-09-21 13:06:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap [2020-09-21 13:06:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2020-09-21 13:06:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2020-09-21 13:06:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2020-09-21 13:06:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2020-09-21 13:06:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2020-09-21 13:06:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2020-09-21 13:06:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-09-21 13:06:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2020-09-21 13:06:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2020-09-21 13:06:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2020-09-21 13:06:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2020-09-21 13:06:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_stats [2020-09-21 13:06:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_ioctl [2020-09-21 13:06:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2020-09-21 13:06:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2020-09-21 13:06:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2020-09-21 13:06:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2020-09-21 13:06:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2020-09-21 13:06:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-09-21 13:06:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2020-09-21 13:06:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2020-09-21 13:06:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2020-09-21 13:06:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2020-09-21 13:06:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2020-09-21 13:06:56,315 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2020-09-21 13:06:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_probe [2020-09-21 13:06:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2020-09-21 13:06:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2020-09-21 13:06:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2020-09-21 13:06:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-21 13:06:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-09-21 13:06:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-21 13:06:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2020-09-21 13:06:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2020-09-21 13:06:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-09-21 13:06:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-21 13:06:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-21 13:06:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-21 13:06:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-21 13:06:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-21 13:06:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 13:06:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-21 13:06:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-09-21 13:06:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-09-21 13:06:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-09-21 13:06:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-09-21 13:06:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 13:06:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-21 13:06:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-21 13:06:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-21 13:06:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-21 13:06:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-21 13:06:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-09-21 13:06:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-21 13:06:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-21 13:06:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-21 13:06:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 13:06:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2020-09-21 13:06:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2020-09-21 13:06:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2020-09-21 13:06:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-09-21 13:06:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-09-21 13:06:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-09-21 13:06:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-21 13:06:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2020-09-21 13:06:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2020-09-21 13:06:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-09-21 13:06:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-09-21 13:06:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-09-21 13:06:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2020-09-21 13:06:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2020-09-21 13:06:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2020-09-21 13:06:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-21 13:06:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-09-21 13:06:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-09-21 13:06:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-21 13:06:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-21 13:06:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 13:06:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2020-09-21 13:06:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2020-09-21 13:06:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-09-21 13:06:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2020-09-21 13:06:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2020-09-21 13:06:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-09-21 13:06:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-09-21 13:06:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-09-21 13:06:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2020-09-21 13:06:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2020-09-21 13:06:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2020-09-21 13:06:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2020-09-21 13:06:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-09-21 13:06:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-09-21 13:06:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-09-21 13:06:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-21 13:06:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-09-21 13:06:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 13:06:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-09-21 13:06:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-21 13:06:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-21 13:06:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-21 13:06:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-21 13:06:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-21 13:06:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-21 13:06:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-09-21 13:06:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 13:06:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_12 [2020-09-21 13:06:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-21 13:06:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-21 13:06:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-21 13:06:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 13:06:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-21 13:06:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 13:06:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-21 13:06:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 13:06:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 13:06:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-21 13:06:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 13:06:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-21 13:06:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-21 13:06:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-21 13:06:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-21 13:06:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-21 13:06:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-21 13:06:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-21 13:06:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_1 [2020-09-21 13:06:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2020-09-21 13:06:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2020-09-21 13:06:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2020-09-21 13:06:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-09-21 13:06:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-21 13:06:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-09-21 13:06:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_16 [2020-09-21 13:06:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_18 [2020-09-21 13:06:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-09-21 13:06:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-09-21 13:06:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2020-09-21 13:06:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-09-21 13:06:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-09-21 13:06:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-09-21 13:06:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-09-21 13:06:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2020-09-21 13:06:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2020-09-21 13:06:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2020-09-21 13:06:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-09-21 13:06:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2020-09-21 13:06:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2020-09-21 13:06:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2020-09-21 13:06:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2020-09-21 13:06:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-09-21 13:06:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_14 [2020-09-21 13:06:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-09-21 13:06:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_15 [2020-09-21 13:06:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_17 [2020-09-21 13:06:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-09-21 13:06:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2020-09-21 13:06:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2020-09-21 13:06:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2020-09-21 13:06:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2020-09-21 13:06:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2020-09-21 13:06:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2020-09-21 13:06:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2020-09-21 13:06:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2020-09-21 13:06:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2020-09-21 13:06:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_probe [2020-09-21 13:06:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2020-09-21 13:06:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-09-21 13:06:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2020-09-21 13:06:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure clk_enable [2020-09-21 13:06:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable [2020-09-21 13:06:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2020-09-21 13:06:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2020-09-21 13:06:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2020-09-21 13:06:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2020-09-21 13:06:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap [2020-09-21 13:06:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure of_get_phy_mode [2020-09-21 13:06:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure of_get_mac_address [2020-09-21 13:06:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2020-09-21 13:06:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure macb_ioctl [2020-09-21 13:06:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_stats [2020-09-21 13:06:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2020-09-21 13:06:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2020-09-21 13:06:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2020-09-21 13:06:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_start [2020-09-21 13:06:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_open [2020-09-21 13:06:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_close [2020-09-21 13:06:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_start_xmit [2020-09-21 13:06:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_rx [2020-09-21 13:06:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-21 13:06:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_interrupt [2020-09-21 13:06:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_poll_controller [2020-09-21 13:06:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_probe [2020-09-21 13:06:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 13:06:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_remove [2020-09-21 13:06:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_suspend [2020-09-21 13:06:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_resume [2020-09-21 13:06:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_driver_init [2020-09-21 13:06:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_driver_exit [2020-09-21 13:06:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2020-09-21 13:06:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2020-09-21 13:06:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2020-09-21 13:06:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-21 13:06:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-21 13:06:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 13:06:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-21 13:06:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-21 13:06:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-21 13:06:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-21 13:06:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-21 13:06:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-21 13:06:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-21 13:06:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-21 13:06:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-21 13:06:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-21 13:06:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-09-21 13:06:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 13:06:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 13:06:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-21 13:06:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 13:06:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 13:06:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-21 13:06:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-21 13:06:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-21 13:06:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-21 13:06:57,198 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-21 13:06:58,532 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 13:06:58,532 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-21 13:06:58,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 01:06:58 BoogieIcfgContainer [2020-09-21 13:06:58,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 13:06:58,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 13:06:58,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 13:06:58,548 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 13:06:58,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 01:06:53" (1/3) ... [2020-09-21 13:06:58,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@425e0eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 01:06:58, skipping insertion in model container [2020-09-21 13:06:58,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:06:55" (2/3) ... [2020-09-21 13:06:58,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@425e0eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 01:06:58, skipping insertion in model container [2020-09-21 13:06:58,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 01:06:58" (3/3) ... [2020-09-21 13:06:58,552 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i [2020-09-21 13:06:58,564 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 13:06:58,575 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 13:06:58,599 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 13:06:58,633 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 13:06:58,633 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 13:06:58,633 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 13:06:58,633 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 13:06:58,633 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 13:06:58,633 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 13:06:58,633 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 13:06:58,634 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 13:06:58,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states. [2020-09-21 13:06:58,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 13:06:58,696 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 13:06:58,697 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 13:06:58,697 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 13:06:58,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 13:06:58,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1976669306, now seen corresponding path program 1 times [2020-09-21 13:06:58,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 13:06:58,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [901212819] [2020-09-21 13:06:58,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 13:06:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:06:59,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:06:59,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:00,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:00,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 13:07:00,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:07:00,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1089 [2020-09-21 13:07:00,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:00,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 13:07:00,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-21 13:07:00,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 13:07:00,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 13:07:00,690 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-09-21 13:07:00,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 13:07:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:00,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:00,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:00,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:00,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:00,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-21 13:07:00,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:00,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:00,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:00,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:00,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:00,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:07:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:00,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:00,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:00,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:00,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:00,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 13:07:00,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:00,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:00,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:00,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:00,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:00,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 13:07:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:00,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:00,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:00,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:00,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:00,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 13:07:00,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:00,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:00,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:00,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:00,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:01,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 13:07:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:01,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:01,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:01,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:01,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:01,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 13:07:01,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:01,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:01,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:01,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:01,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:01,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-21 13:07:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:01,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:01,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:01,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 13:07:01,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:01,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 13:07:01,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:01,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:01,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:01,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:01,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:01,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 13:07:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:01,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:01,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:01,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:01,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:01,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 13:07:01,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:01,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:01,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:01,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:01,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:01,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-09-21 13:07:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:01,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:01,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:01,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:01,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:01,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:07:01,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-09-21 13:07:01,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:01,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:01,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:01,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:01,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:01,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 13:07:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:01,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:01,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:01,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 13:07:01,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:01,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 13:07:01,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:01,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:01,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 13:07:01,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:01,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:01,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 13:07:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:01,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:01,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:01,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:01,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:01,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 13:07:01,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:01,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:01,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:01,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:01,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:01,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 13:07:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:01,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:01,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:01,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:01,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:01,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 13:07:01,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:01,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:01,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 13:07:01,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:01,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:01,578 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-21 13:07:01,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [901212819] [2020-09-21 13:07:01,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 13:07:01,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 13:07:01,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377546692] [2020-09-21 13:07:01,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 13:07:01,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 13:07:01,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 13:07:01,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-21 13:07:01,612 INFO L87 Difference]: Start difference. First operand 1042 states. Second operand 7 states. [2020-09-21 13:07:01,869 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-09-21 13:07:02,141 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-09-21 13:07:02,395 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-09-21 13:07:16,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 13:07:16,932 INFO L93 Difference]: Finished difference Result 2961 states and 3988 transitions. [2020-09-21 13:07:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 13:07:16,934 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2020-09-21 13:07:16,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 13:07:17,007 INFO L225 Difference]: With dead ends: 2961 [2020-09-21 13:07:17,007 INFO L226 Difference]: Without dead ends: 2104 [2020-09-21 13:07:17,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2020-09-21 13:07:17,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2104 states. [2020-09-21 13:07:17,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2104 to 1552. [2020-09-21 13:07:17,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1552 states. [2020-09-21 13:07:17,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 1913 transitions. [2020-09-21 13:07:17,504 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 1913 transitions. Word has length 61 [2020-09-21 13:07:17,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 13:07:17,505 INFO L479 AbstractCegarLoop]: Abstraction has 1552 states and 1913 transitions. [2020-09-21 13:07:17,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 13:07:17,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1913 transitions. [2020-09-21 13:07:17,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 13:07:17,518 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 13:07:17,518 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 13:07:17,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 13:07:17,519 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 13:07:17,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 13:07:17,519 INFO L82 PathProgramCache]: Analyzing trace with hash -583602034, now seen corresponding path program 1 times [2020-09-21 13:07:17,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 13:07:17,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [188699712] [2020-09-21 13:07:17,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 13:07:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:17,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:18,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:18,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:18,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 13:07:18,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:07:18,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1040 [2020-09-21 13:07:18,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:18,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 13:07:18,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 13:07:18,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 13:07:18,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:18,919 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-09-21 13:07:18,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 13:07:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:18,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:19,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:19,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:19,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:19,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-21 13:07:19,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:19,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:19,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:19,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:19,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:07:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:19,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:19,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:19,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:19,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:19,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 13:07:19,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:19,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:19,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:19,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:19,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:19,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 13:07:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:19,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:19,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:19,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:19,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:19,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 13:07:19,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:19,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:19,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:19,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:19,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:19,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 13:07:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:19,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:19,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:19,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:19,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:19,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-21 13:07:19,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:19,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:19,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:19,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:19,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:19,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-21 13:07:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:19,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:19,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:19,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 13:07:19,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:19,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-21 13:07:19,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:19,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:19,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:19,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:19,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:19,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 13:07:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:19,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:19,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:19,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:19,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:19,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 13:07:19,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:19,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:19,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:19,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:19,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:19,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-09-21 13:07:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:19,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:19,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:19,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:19,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:19,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-21 13:07:19,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:19,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 13:07:19,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 13:07:19,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 13:07:19,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:19,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 13:07:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:19,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:19,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:19,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 13:07:19,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:19,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-21 13:07:19,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:19,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:19,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 13:07:19,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:19,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:19,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:07:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:19,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:19,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:19,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:19,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:19,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 13:07:19,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:19,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:19,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:19,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:19,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:19,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-21 13:07:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:19,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:19,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:19,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:19,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:19,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 13:07:19,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:19,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:19,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 13:07:19,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:19,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:19,639 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-21 13:07:19,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [188699712] [2020-09-21 13:07:19,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 13:07:19,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 13:07:19,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714376513] [2020-09-21 13:07:19,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 13:07:19,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 13:07:19,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 13:07:19,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 13:07:19,644 INFO L87 Difference]: Start difference. First operand 1552 states and 1913 transitions. Second operand 8 states. [2020-09-21 13:07:19,838 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-09-21 13:07:20,492 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-09-21 13:07:20,765 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-09-21 13:07:27,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 13:07:27,613 INFO L93 Difference]: Finished difference Result 3371 states and 4233 transitions. [2020-09-21 13:07:27,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 13:07:27,614 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-09-21 13:07:27,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 13:07:27,625 INFO L225 Difference]: With dead ends: 3371 [2020-09-21 13:07:27,625 INFO L226 Difference]: Without dead ends: 1841 [2020-09-21 13:07:27,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-09-21 13:07:27,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2020-09-21 13:07:27,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1553. [2020-09-21 13:07:27,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1553 states. [2020-09-21 13:07:27,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1553 states and 1914 transitions. [2020-09-21 13:07:27,807 INFO L78 Accepts]: Start accepts. Automaton has 1553 states and 1914 transitions. Word has length 65 [2020-09-21 13:07:27,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 13:07:27,808 INFO L479 AbstractCegarLoop]: Abstraction has 1553 states and 1914 transitions. [2020-09-21 13:07:27,808 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 13:07:27,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1914 transitions. [2020-09-21 13:07:27,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-09-21 13:07:27,810 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 13:07:27,811 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 13:07:27,811 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 13:07:27,811 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 13:07:27,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 13:07:27,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1634648315, now seen corresponding path program 1 times [2020-09-21 13:07:27,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 13:07:27,812 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [405791994] [2020-09-21 13:07:27,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 13:07:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:27,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:28,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:28,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:28,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-21 13:07:28,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:07:28,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1081 [2020-09-21 13:07:28,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:28,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 13:07:28,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 13:07:28,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 13:07:28,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:29,200 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-09-21 13:07:29,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 13:07:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:29,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:29,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:29,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:29,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:29,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-21 13:07:29,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:29,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:29,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:29,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:29,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:29,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:07:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:29,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:29,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:29,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:29,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:29,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 13:07:29,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:29,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:29,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:29,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:29,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:29,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 13:07:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:29,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:29,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:29,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:29,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:29,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 13:07:29,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:29,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:29,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:29,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:29,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:29,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 13:07:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:29,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:29,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:29,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:29,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:29,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 13:07:29,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:29,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:29,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:29,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:29,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:29,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-21 13:07:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:29,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:29,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:29,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 13:07:29,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:29,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 13:07:29,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:29,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:29,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 13:07:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:29,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:29,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:29,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:29,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:29,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 13:07:29,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:29,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:29,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:29,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:29,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:29,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-09-21 13:07:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:29,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:29,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:29,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 13:07:29,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:29,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-21 13:07:29,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:29,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 13:07:29,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 13:07:29,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 13:07:29,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:29,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 13:07:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:29,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:29,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:29,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 13:07:29,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:29,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 13:07:29,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:29,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:29,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 13:07:29,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:29,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:29,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:07:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:29,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:29,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:29,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:29,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:29,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 13:07:29,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:29,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:29,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:29,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:29,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:29,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-21 13:07:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:29,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:29,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:29,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:29,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:29,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 13:07:29,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:29,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:29,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 13:07:29,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:29,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:29,943 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-21 13:07:29,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [405791994] [2020-09-21 13:07:29,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 13:07:29,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 13:07:29,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155466424] [2020-09-21 13:07:29,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 13:07:29,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 13:07:29,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 13:07:29,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 13:07:29,947 INFO L87 Difference]: Start difference. First operand 1553 states and 1914 transitions. Second operand 9 states. [2020-09-21 13:07:30,124 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-09-21 13:07:30,804 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-09-21 13:07:39,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 13:07:39,012 INFO L93 Difference]: Finished difference Result 3372 states and 4234 transitions. [2020-09-21 13:07:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 13:07:39,013 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2020-09-21 13:07:39,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 13:07:39,025 INFO L225 Difference]: With dead ends: 3372 [2020-09-21 13:07:39,025 INFO L226 Difference]: Without dead ends: 1842 [2020-09-21 13:07:39,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2020-09-21 13:07:39,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1842 states. [2020-09-21 13:07:39,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1842 to 1554. [2020-09-21 13:07:39,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1554 states. [2020-09-21 13:07:39,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 1915 transitions. [2020-09-21 13:07:39,219 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 1915 transitions. Word has length 66 [2020-09-21 13:07:39,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 13:07:39,219 INFO L479 AbstractCegarLoop]: Abstraction has 1554 states and 1915 transitions. [2020-09-21 13:07:39,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 13:07:39,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 1915 transitions. [2020-09-21 13:07:39,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-09-21 13:07:39,222 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 13:07:39,222 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-09-21 13:07:39,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 13:07:39,223 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 13:07:39,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 13:07:39,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1680932398, now seen corresponding path program 2 times [2020-09-21 13:07:39,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 13:07:39,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [526438918] [2020-09-21 13:07:39,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 13:07:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:39,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:39,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:40,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:40,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 13:07:40,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 13:07:40,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1050 [2020-09-21 13:07:40,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:40,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 13:07:40,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 13:07:40,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 13:07:40,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:40,613 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-09-21 13:07:40,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 13:07:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:40,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:40,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:40,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:40,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:40,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-21 13:07:40,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:40,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:40,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:40,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:40,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:40,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 13:07:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:40,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:40,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:40,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:40,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:40,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 13:07:40,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:40,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:40,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:40,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:40,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:40,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 13:07:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:40,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:40,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:40,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:40,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:40,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 13:07:40,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:40,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:40,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:40,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:40,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:40,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 13:07:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:40,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:40,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:40,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 13:07:40,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:40,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 13:07:40,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:40,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:40,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:40,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:40,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:40,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-21 13:07:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:40,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:40,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:40,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 13:07:40,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:40,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 13:07:40,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:40,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:40,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:40,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:40,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:40,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 13:07:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:40,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:40,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:40,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:40,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:40,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 13:07:40,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:40,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:40,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:40,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:40,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:40,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-09-21 13:07:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:41,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:41,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:41,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 13:07:41,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:41,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-09-21 13:07:41,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:41,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 13:07:41,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 13:07:41,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 13:07:41,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:41,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 13:07:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:41,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:41,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:41,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 13:07:41,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:41,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 13:07:41,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:41,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:41,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 13:07:41,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:41,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 13:07:41,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 13:07:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:41,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:41,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:41,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:41,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:41,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 13:07:41,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:41,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:41,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 13:07:41,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:41,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:41,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-21 13:07:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 13:07:41,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 13:07:41,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 13:07:41,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 13:07:41,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 13:07:41,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 13:07:41,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 13:07:41,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 13:07:41,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 13:07:41,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 13:07:41,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 13:07:41,374 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-21 13:07:41,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [526438918] [2020-09-21 13:07:41,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 13:07:41,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 13:07:41,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914088371] [2020-09-21 13:07:41,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 13:07:41,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 13:07:41,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 13:07:41,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-21 13:07:41,382 INFO L87 Difference]: Start difference. First operand 1554 states and 1915 transitions. Second operand 10 states. [2020-09-21 13:07:41,552 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-09-21 13:07:42,348 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 160