/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 --rcfgbuilder.size.of.a.code.block SequenceOfStatements --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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--sja1000--sja1000.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 18:13:41,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 18:13:41,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 18:13:41,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 18:13:41,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 18:13:41,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 18:13:41,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 18:13:41,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 18:13:41,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 18:13:41,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 18:13:41,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 18:13:41,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 18:13:41,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 18:13:41,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 18:13:41,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 18:13:41,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 18:13:41,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 18:13:41,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 18:13:41,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 18:13:41,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 18:13:41,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 18:13:41,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 18:13:41,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 18:13:41,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 18:13:41,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 18:13:41,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 18:13:41,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 18:13:41,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 18:13:41,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 18:13:41,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 18:13:41,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 18:13:41,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 18:13:41,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 18:13:41,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 18:13:41,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 18:13:41,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 18:13:41,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 18:13:41,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 18:13:41,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 18:13:41,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 18:13:41,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 18:13:41,911 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 [2020-10-29 18:13:41,952 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 18:13:41,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 18:13:41,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 18:13:41,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 18:13:41,954 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 18:13:41,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 18:13:41,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 18:13:41,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 18:13:41,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 18:13:41,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 18:13:41,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 18:13:41,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 18:13:41,956 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 18:13:41,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 18:13:41,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 18:13:41,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 18:13:41,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 18:13:41,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 18:13:41,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 18:13:41,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 18:13:41,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 18:13:41,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 18:13:41,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 18:13:41,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 18:13:41,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 18:13:41,959 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 18:13:41,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 18:13:41,959 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 18:13:42,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 18:13:42,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 18:13:42,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 18:13:42,378 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 18:13:42,378 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 18:13:42,379 INFO L432 ainManager$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--can--sja1000--sja1000.ko-entry_point.cil.out.i [2020-10-29 18:13:42,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b33abc47c/a53936ad6a3046b38abb32893b634465/FLAG2eaafc89a [2020-10-29 18:13:43,403 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 18:13:43,404 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--can--sja1000--sja1000.ko-entry_point.cil.out.i [2020-10-29 18:13:43,444 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b33abc47c/a53936ad6a3046b38abb32893b634465/FLAG2eaafc89a [2020-10-29 18:13:43,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b33abc47c/a53936ad6a3046b38abb32893b634465 [2020-10-29 18:13:43,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 18:13:43,922 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 18:13:43,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 18:13:43,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 18:13:43,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 18:13:43,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:13:43" (1/1) ... [2020-10-29 18:13:43,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ef8f38c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:13:43, skipping insertion in model container [2020-10-29 18:13:43,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:13:43" (1/1) ... [2020-10-29 18:13:43,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 18:13:44,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 18:13:45,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 18:13:45,485 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 18:13:46,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 18:13:46,137 INFO L208 MainTranslator]: Completed translation [2020-10-29 18:13:46,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:13:46 WrapperNode [2020-10-29 18:13:46,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 18:13:46,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 18:13:46,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 18:13:46,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 18:13:46,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:13:46" (1/1) ... [2020-10-29 18:13:46,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:13:46" (1/1) ... [2020-10-29 18:13:46,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:13:46" (1/1) ... [2020-10-29 18:13:46,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:13:46" (1/1) ... [2020-10-29 18:13:46,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:13:46" (1/1) ... [2020-10-29 18:13:46,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:13:46" (1/1) ... [2020-10-29 18:13:46,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:13:46" (1/1) ... [2020-10-29 18:13:46,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 18:13:46,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 18:13:46,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 18:13:46,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 18:13:46,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:13:46" (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 [2020-10-29 18:13:46,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 18:13:46,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 18:13:46,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2020-10-29 18:13:46,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2020-10-29 18:13:46,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-29 18:13:46,462 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 18:13:46,462 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-29 18:13:46,462 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-29 18:13:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-29 18:13:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-29 18:13:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-29 18:13:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-29 18:13:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 18:13:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 18:13:46,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-29 18:13:46,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-29 18:13:46,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-29 18:13:46,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 18:13:46,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-29 18:13:46,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 18:13:46,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-29 18:13:46,465 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-29 18:13:46,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-10-29 18:13:46,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-29 18:13:46,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-10-29 18:13:46,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2020-10-29 18:13:46,466 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-10-29 18:13:46,466 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-10-29 18:13:46,466 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-10-29 18:13:46,466 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-10-29 18:13:46,466 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2020-10-29 18:13:46,466 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2020-10-29 18:13:46,466 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dropped_invalid_skb [2020-10-29 18:13:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_write_cmdreg [2020-10-29 18:13:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_is_absent [2020-10-29 18:13:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_probe_chip [2020-10-29 18:13:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure set_reset_mode [2020-10-29 18:13:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure set_normal_mode [2020-10-29 18:13:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_start [2020-10-29 18:13:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_set_mode [2020-10-29 18:13:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_set_bittiming [2020-10-29 18:13:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_get_berr_counter [2020-10-29 18:13:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure chipset_init [2020-10-29 18:13:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_start_xmit [2020-10-29 18:13:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_rx [2020-10-29 18:13:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_err [2020-10-29 18:13:46,468 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_interrupt [2020-10-29 18:13:46,469 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_open [2020-10-29 18:13:46,469 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_close [2020-10-29 18:13:46,469 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_sja1000dev [2020-10-29 18:13:46,469 INFO L138 BoogieDeclarations]: Found implementation of procedure free_sja1000dev [2020-10-29 18:13:46,469 INFO L138 BoogieDeclarations]: Found implementation of procedure register_sja1000dev [2020-10-29 18:13:46,469 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sja1000dev [2020-10-29 18:13:46,469 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_init [2020-10-29 18:13:46,469 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_exit [2020-10-29 18:13:46,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-10-29 18:13:46,470 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-10-29 18:13:46,470 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-10-29 18:13:46,470 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-10-29 18:13:46,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2020-10-29 18:13:46,470 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-10-29 18:13:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 18:13:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-29 18:13:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-29 18:13:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-29 18:13:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-29 18:13:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-29 18:13:46,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2020-10-29 18:13:46,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-10-29 18:13:46,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2020-10-29 18:13:46,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_15 [2020-10-29 18:13:46,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_16 [2020-10-29 18:13:46,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-29 18:13:46,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-29 18:13:46,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-29 18:13:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-29 18:13:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-29 18:13:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-29 18:13:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-29 18:13:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-29 18:13:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-29 18:13:46,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-29 18:13:46,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 18:13:46,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-29 18:13:46,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-29 18:13:46,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-29 18:13:46,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-29 18:13:46,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-29 18:13:46,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 18:13:46,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-29 18:13:46,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-10-29 18:13:46,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-10-29 18:13:46,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-29 18:13:46,475 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-29 18:13:46,475 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-29 18:13:46,475 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_err_skb [2020-10-29 18:13:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_skb [2020-10-29 18:13:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2020-10-29 18:13:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure can_bus_off [2020-10-29 18:13:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure can_change_mtu [2020-10-29 18:13:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2020-10-29 18:13:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_echo_skb [2020-10-29 18:13:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2020-10-29 18:13:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2020-10-29 18:13:46,477 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2020-10-29 18:13:46,477 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_can_led_init [2020-10-29 18:13:46,477 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2020-10-29 18:13:46,477 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-29 18:13:46,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2020-10-29 18:13:46,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2020-10-29 18:13:46,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-10-29 18:13:46,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2020-10-29 18:13:46,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-10-29 18:13:46,478 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2020-10-29 18:13:46,478 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 18:13:46,478 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2020-10-29 18:13:46,478 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-29 18:13:46,478 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_candev [2020-10-29 18:13:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-29 18:13:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 18:13:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-29 18:13:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 18:13:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 18:13:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 18:13:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 18:13:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 18:13:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 18:13:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 18:13:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-29 18:13:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-29 18:13:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-29 18:13:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-29 18:13:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 18:13:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 18:13:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-10-29 18:13:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-29 18:13:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-29 18:13:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-29 18:13:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-29 18:13:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-29 18:13:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-29 18:13:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-29 18:13:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-29 18:13:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-29 18:13:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-29 18:13:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2020-10-29 18:13:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-29 18:13:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-29 18:13:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-29 18:13:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 18:13:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 18:13:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 18:13:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 18:13:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 18:13:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 18:13:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 18:13:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 18:13:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-29 18:13:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-29 18:13:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-29 18:13:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 18:13:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-29 18:13:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-29 18:13:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-10-29 18:13:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-10-29 18:13:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-10-29 18:13:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-10-29 18:13:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2020-10-29 18:13:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-10-29 18:13:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-29 18:13:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-29 18:13:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_15 [2020-10-29 18:13:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-29 18:13:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_16 [2020-10-29 18:13:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-29 18:13:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-10-29 18:13:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 18:13:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-29 18:13:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-10-29 18:13:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-10-29 18:13:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2020-10-29 18:13:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-10-29 18:13:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-10-29 18:13:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-10-29 18:13:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-10-29 18:13:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2020-10-29 18:13:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2020-10-29 18:13:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-10-29 18:13:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2020-10-29 18:13:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-10-29 18:13:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-10-29 18:13:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2020-10-29 18:13:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2020-10-29 18:13:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure devm_can_led_init [2020-10-29 18:13:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure can_dropped_invalid_skb [2020-10-29 18:13:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 18:13:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2020-10-29 18:13:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2020-10-29 18:13:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2020-10-29 18:13:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2020-10-29 18:13:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure can_change_mtu [2020-10-29 18:13:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2020-10-29 18:13:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_candev [2020-10-29 18:13:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure can_bus_off [2020-10-29 18:13:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2020-10-29 18:13:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_echo_skb [2020-10-29 18:13:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2020-10-29 18:13:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_skb [2020-10-29 18:13:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_err_skb [2020-10-29 18:13:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_sja1000dev [2020-10-29 18:13:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure free_sja1000dev [2020-10-29 18:13:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure register_sja1000dev [2020-10-29 18:13:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sja1000dev [2020-10-29 18:13:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_interrupt [2020-10-29 18:13:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_write_cmdreg [2020-10-29 18:13:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2020-10-29 18:13:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2020-10-29 18:13:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_is_absent [2020-10-29 18:13:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_probe_chip [2020-10-29 18:13:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure set_reset_mode [2020-10-29 18:13:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure set_normal_mode [2020-10-29 18:13:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_start [2020-10-29 18:13:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_set_mode [2020-10-29 18:13:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_set_bittiming [2020-10-29 18:13:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_get_berr_counter [2020-10-29 18:13:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure chipset_init [2020-10-29 18:13:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_start_xmit [2020-10-29 18:13:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_rx [2020-10-29 18:13:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 18:13:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_err [2020-10-29 18:13:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 18:13:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-29 18:13:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_open [2020-10-29 18:13:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_close [2020-10-29 18:13:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_init [2020-10-29 18:13:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_exit [2020-10-29 18:13:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2020-10-29 18:13:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 18:13:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2020-10-29 18:13:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 18:13:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 18:13:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-29 18:13:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-29 18:13:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-29 18:13:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-29 18:13:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-29 18:13:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-29 18:13:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-29 18:13:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-29 18:13:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-29 18:13:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-29 18:13:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-29 18:13:46,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-29 18:13:46,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-29 18:13:46,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-29 18:13:46,497 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 18:13:46,497 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 18:13:46,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 18:13:46,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 18:13:46,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 18:13:46,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 18:13:47,639 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-29 18:13:50,431 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 18:13:50,431 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-29 18:13:50,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:13:50 BoogieIcfgContainer [2020-10-29 18:13:50,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 18:13:50,437 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 18:13:50,437 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 18:13:50,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 18:13:50,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:13:43" (1/3) ... [2020-10-29 18:13:50,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257b942f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:13:50, skipping insertion in model container [2020-10-29 18:13:50,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:13:46" (2/3) ... [2020-10-29 18:13:50,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257b942f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:13:50, skipping insertion in model container [2020-10-29 18:13:50,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:13:50" (3/3) ... [2020-10-29 18:13:50,450 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--sja1000--sja1000.ko-entry_point.cil.out.i [2020-10-29 18:13:50,460 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 18:13:50,466 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 18:13:50,480 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 18:13:50,513 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 18:13:50,513 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 18:13:50,513 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 18:13:50,513 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 18:13:50,513 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 18:13:50,513 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 18:13:50,513 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 18:13:50,513 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 18:13:50,548 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2020-10-29 18:13:50,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-29 18:13:50,561 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:13:50,562 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 18:13:50,562 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:13:50,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:13:50,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1360886426, now seen corresponding path program 1 times [2020-10-29 18:13:50,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:13:50,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [903149280] [2020-10-29 18:13:50,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:13:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:13:51,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:13:51,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:13:55,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:13:55,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 18:13:55,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:13:55,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4148 [2020-10-29 18:13:55,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:13:55,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:13:55,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 18:13:55,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-29 18:13:55,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 18:13:55,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 18:13:56,906 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 433 [2020-10-29 18:13:56,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:13:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:13:56,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:13:57,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:13:57,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:13:57,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:13:57,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-29 18:13:57,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:13:57,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:13:57,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:13:57,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:13:57,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:13:57,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:13:57,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:13:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:13:57,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:13:57,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:13:57,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:13:57,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:13:57,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 18:13:57,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:13:57,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:13:57,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:13:57,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:13:57,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:13:57,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:13:57,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 18:13:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:13:57,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:13:57,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:13:57,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:13:57,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:13:57,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 18:13:57,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:13:57,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:13:57,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:13:57,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:13:57,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:13:57,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:13:57,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:13:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:13:57,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:13:57,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:13:57,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:13:57,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:13:57,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 18:13:57,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:13:57,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:13:57,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:13:57,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:13:57,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 18:13:57,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:13:57,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-29 18:13:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:13:57,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:13:57,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:13:57,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:13:57,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:13:57,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 18:13:57,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:13:57,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:13:57,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:13:57,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:13:57,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:13:57,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:13:57,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 18:13:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:13:57,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:13:57,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:13:57,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:13:57,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:13:57,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 18:13:57,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:13:57,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:13:57,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 18:13:57,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:13:57,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:13:57,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:13:57,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 18:13:57,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [903149280] [2020-10-29 18:13:57,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 18:13:57,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 18:13:57,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051799387] [2020-10-29 18:13:57,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 18:13:57,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:13:57,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 18:13:57,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-29 18:13:57,345 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 9 states. [2020-10-29 18:13:58,646 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 436 [2020-10-29 18:14:01,487 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 438 [2020-10-29 18:14:03,027 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 435 [2020-10-29 18:14:07,572 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 446 DAG size of output: 441 [2020-10-29 18:14:09,205 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 441 [2020-10-29 18:14:10,669 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 441 [2020-10-29 18:14:15,271 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 446 [2020-10-29 18:14:41,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:14:41,360 INFO L93 Difference]: Finished difference Result 2534 states and 3492 transitions. [2020-10-29 18:14:41,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 18:14:41,367 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 43 [2020-10-29 18:14:41,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:14:41,405 INFO L225 Difference]: With dead ends: 2534 [2020-10-29 18:14:41,405 INFO L226 Difference]: Without dead ends: 1790 [2020-10-29 18:14:41,416 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2020-10-29 18:14:41,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2020-10-29 18:14:42,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1451. [2020-10-29 18:14:42,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1451 states. [2020-10-29 18:14:42,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 1925 transitions. [2020-10-29 18:14:42,034 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 1925 transitions. Word has length 43 [2020-10-29 18:14:42,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:14:42,035 INFO L481 AbstractCegarLoop]: Abstraction has 1451 states and 1925 transitions. [2020-10-29 18:14:42,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 18:14:42,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1925 transitions. [2020-10-29 18:14:42,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-29 18:14:42,054 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:14:42,055 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 18:14:42,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 18:14:42,055 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:14:42,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:14:42,056 INFO L82 PathProgramCache]: Analyzing trace with hash -264740629, now seen corresponding path program 1 times [2020-10-29 18:14:42,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:14:42,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1316755679] [2020-10-29 18:14:42,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:14:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:14:42,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:14:42,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:14:42,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:14:42,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:14:44,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:14:44,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-29 18:14:44,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 18:14:44,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2496 [2020-10-29 18:14:44,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:14:44,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:14:44,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:14:44,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-29 18:14:44,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-29 18:14:44,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:14:46,037 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 433 [2020-10-29 18:14:46,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:14:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:14:46,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:14:46,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:14:46,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:14:46,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:14:46,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-29 18:14:46,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:14:46,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:14:46,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:14:46,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:14:46,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:14:46,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:14:46,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:14:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:14:46,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:14:46,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:14:46,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:14:46,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:14:46,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 18:14:46,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:14:46,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:14:46,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:14:46,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:14:46,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:14:46,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:14:46,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 18:14:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:14:46,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:14:46,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:14:46,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:14:46,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:14:46,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 18:14:46,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:14:46,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:14:46,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:14:46,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:14:46,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:14:46,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:14:46,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:14:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:14:46,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:14:46,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:14:46,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:14:46,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:14:46,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 18:14:46,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:14:46,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:14:46,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:14:46,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:14:46,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:14:46,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:14:46,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 18:14:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:14:46,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:14:46,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:14:46,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:14:46,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-29 18:14:46,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:14:46,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-29 18:14:46,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:14:46,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:14:46,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:14:46,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:14:46,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 18:14:46,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:14:46,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:14:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:14:46,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:14:46,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:14:46,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:14:46,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:14:46,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 18:14:46,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:14:46,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:14:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:14:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:14:46,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:14:46,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:14:46,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:14:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:14:46,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:14:46,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:14:46,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:14:46,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-29 18:14:46,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:14:46,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-29 18:14:46,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:14:46,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:14:46,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:14:46,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 18:14:46,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 18:14:46,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:14:46,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 18:14:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:14:46,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:14:46,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:14:46,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 18:14:46,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:14:46,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 18:14:46,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:14:46,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:14:46,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:14:46,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-29 18:14:46,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 18:14:46,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:14:46,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:14:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:14:46,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:14:46,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:14:46,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 18:14:46,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:14:46,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 18:14:46,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:14:46,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:14:46,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:14:46,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 18:14:46,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 18:14:46,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:14:46,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:14:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:14:46,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:14:46,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:14:46,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 18:14:46,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:14:46,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 18:14:46,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:14:46,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:14:46,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:14:46,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 18:14:46,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 18:14:46,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:14:46,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 18:14:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:14:46,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:14:46,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:14:46,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:14:46,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:14:46,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:14:46,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:14:46,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:14:46,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:14:46,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:14:46,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:14:46,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:14:46,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 18:14:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:14:46,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:14:46,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:14:46,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:14:46,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:14:46,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 18:14:46,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:14:46,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:14:46,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:14:46,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:14:46,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:14:46,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:14:46,810 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 18:14:46,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1316755679] [2020-10-29 18:14:46,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 18:14:46,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 18:14:46,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355947808] [2020-10-29 18:14:46,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 18:14:46,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:14:46,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 18:14:46,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-29 18:14:46,815 INFO L87 Difference]: Start difference. First operand 1451 states and 1925 transitions. Second operand 8 states. [2020-10-29 18:14:48,114 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 436 [2020-10-29 18:14:50,401 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 438 [2020-10-29 18:14:51,984 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 435 [2020-10-29 18:14:57,295 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 442 [2020-10-29 18:15:01,431 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 441 [2020-10-29 18:15:29,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:15:29,696 INFO L93 Difference]: Finished difference Result 4543 states and 6335 transitions. [2020-10-29 18:15:29,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 18:15:29,697 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2020-10-29 18:15:29,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:15:29,722 INFO L225 Difference]: With dead ends: 4543 [2020-10-29 18:15:29,723 INFO L226 Difference]: Without dead ends: 3756 [2020-10-29 18:15:29,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2020-10-29 18:15:29,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3756 states. [2020-10-29 18:15:30,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3756 to 2837. [2020-10-29 18:15:30,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2837 states. [2020-10-29 18:15:30,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2837 states to 2837 states and 3779 transitions. [2020-10-29 18:15:30,434 INFO L78 Accepts]: Start accepts. Automaton has 2837 states and 3779 transitions. Word has length 90 [2020-10-29 18:15:30,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:15:30,435 INFO L481 AbstractCegarLoop]: Abstraction has 2837 states and 3779 transitions. [2020-10-29 18:15:30,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 18:15:30,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2837 states and 3779 transitions. [2020-10-29 18:15:30,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-29 18:15:30,441 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:15:30,441 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 18:15:30,442 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 18:15:30,442 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:15:30,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:15:30,442 INFO L82 PathProgramCache]: Analyzing trace with hash -690054581, now seen corresponding path program 1 times [2020-10-29 18:15:30,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:15:30,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1652099504] [2020-10-29 18:15:30,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:15:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:30,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:30,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:30,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:35,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:35,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-29 18:15:35,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 18:15:35,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-10-29 18:15:35,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:35,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:35,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 18:15:35,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-29 18:15:35,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 18:15:35,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:15:36,958 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 433 [2020-10-29 18:15:36,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:15:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:36,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:37,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:37,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:15:37,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:37,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-29 18:15:37,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:37,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:37,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:15:37,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:37,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:15:37,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:37,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:15:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:37,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:37,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:37,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:15:37,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:37,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-29 18:15:37,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:37,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:37,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:15:37,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:37,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:15:37,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 18:15:37,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 18:15:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:37,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:37,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:37,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:15:37,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:37,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 18:15:37,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:37,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:15:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:37,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:15:37,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 18:15:37,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:15:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:37,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:37,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:37,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:15:37,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:37,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 18:15:37,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:37,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:37,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:15:37,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:37,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 18:15:37,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:37,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 18:15:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:37,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:37,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:37,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 18:15:37,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:37,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-29 18:15:37,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:37,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:37,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 18:15:37,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:15:37,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 18:15:37,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:37,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:15:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:37,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:37,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:37,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:15:37,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:37,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 18:15:37,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:37,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:37,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:15:37,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:15:37,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:15:37,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:37,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:15:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:37,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:37,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:37,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-29 18:15:37,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:37,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-29 18:15:37,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:37,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 18:15:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:15:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 18:15:37,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:37,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 18:15:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:37,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:38,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:38,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 18:15:38,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:38,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-29 18:15:38,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:38,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:38,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 18:15:38,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:15:38,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 18:15:38,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:38,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:15:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:38,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:38,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:38,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-29 18:15:38,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:38,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-29 18:15:38,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:38,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 18:15:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:15:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 18:15:38,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:38,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:15:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:38,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:38,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:38,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 18:15:38,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:38,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-29 18:15:38,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:38,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:38,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 18:15:38,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:15:38,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 18:15:38,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:15:38,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 18:15:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:38,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:38,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:38,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:15:38,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:38,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 18:15:38,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:38,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:38,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:15:38,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:15:38,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:15:38,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:15:38,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 18:15:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:15:38,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:15:38,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:15:38,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:15:38,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:15:38,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:15:38,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:15:38,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:15:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:15:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:15:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:15:38,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:15:38,346 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 18:15:38,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1652099504] [2020-10-29 18:15:38,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 18:15:38,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 18:15:38,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658965160] [2020-10-29 18:15:38,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 18:15:38,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:15:38,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 18:15:38,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-29 18:15:38,351 INFO L87 Difference]: Start difference. First operand 2837 states and 3779 transitions. Second operand 9 states. [2020-10-29 18:15:39,681 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 436 [2020-10-29 18:15:41,827 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 438 [2020-10-29 18:15:43,394 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 435 [2020-10-29 18:15:48,796 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 441 DAG size of output: 440 [2020-10-29 18:16:03,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:16:03,166 INFO L93 Difference]: Finished difference Result 4598 states and 6292 transitions. [2020-10-29 18:16:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 18:16:03,167 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2020-10-29 18:16:03,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:16:03,169 INFO L225 Difference]: With dead ends: 4598 [2020-10-29 18:16:03,169 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 18:16:03,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 23 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-10-29 18:16:03,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 18:16:03,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 18:16:03,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 18:16:03,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 18:16:03,187 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 95 [2020-10-29 18:16:03,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:16:03,187 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 18:16:03,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 18:16:03,187 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 18:16:03,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 18:16:03,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 18:16:03,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 18:16:03,386 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2020-10-29 18:16:03,578 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2020-10-29 18:16:03,706 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2020-10-29 18:16:03,831 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2020-10-29 18:16:03,958 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2020-10-29 18:16:04,072 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2020-10-29 18:16:04,178 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2020-10-29 18:16:06,299 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2020-10-29 18:16:06,547 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 381 [2020-10-29 18:16:06,730 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 381 [2020-10-29 18:16:07,761 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 381 [2020-10-29 18:16:43,421 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 303 DAG size of output: 1 [2020-10-29 18:16:44,572 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 303 DAG size of output: 1 [2020-10-29 18:16:46,849 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 313 DAG size of output: 29 [2020-10-29 18:16:49,153 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 309 DAG size of output: 17 [2020-10-29 18:16:50,292 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 310 DAG size of output: 26 [2020-10-29 18:16:51,429 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 303 DAG size of output: 1 [2020-10-29 18:16:52,611 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 303 DAG size of output: 1 [2020-10-29 18:16:54,827 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 306 DAG size of output: 15 [2020-10-29 18:16:57,039 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 306 DAG size of output: 15 [2020-10-29 18:16:59,255 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 307 DAG size of output: 18 [2020-10-29 18:17:01,556 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 311 DAG size of output: 23 [2020-10-29 18:17:02,708 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 303 DAG size of output: 1 [2020-10-29 18:17:03,853 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 303 DAG size of output: 1 [2020-10-29 18:17:06,136 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 312 DAG size of output: 26 [2020-10-29 18:17:08,422 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 309 DAG size of output: 17 [2020-10-29 18:17:10,640 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 306 DAG size of output: 15 [2020-10-29 18:17:14,482 WARN L193 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 315 DAG size of output: 23 [2020-10-29 18:17:15,635 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 303 DAG size of output: 1 [2020-10-29 18:17:16,741 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 302 DAG size of output: 21 [2020-10-29 18:17:19,108 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 319 DAG size of output: 54 [2020-10-29 18:17:21,328 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 306 DAG size of output: 15 [2020-10-29 18:17:22,523 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 303 DAG size of output: 1 [2020-10-29 18:17:23,671 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 303 DAG size of output: 1 [2020-10-29 18:17:24,940 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 335 DAG size of output: 104 [2020-10-29 18:17:27,193 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 309 DAG size of output: 17 [2020-10-29 18:17:29,449 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 306 DAG size of output: 15 [2020-10-29 18:17:31,789 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 322 DAG size of output: 63 [2020-10-29 18:17:32,862 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 303 DAG size of output: 11 [2020-10-29 18:17:34,024 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 303 DAG size of output: 1