/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=SHALLOWEST --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_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 10:15:22,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 10:15:22,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 10:15:22,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 10:15:22,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 10:15:22,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 10:15:22,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 10:15:22,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 10:15:22,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 10:15:22,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 10:15:22,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 10:15:22,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 10:15:22,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 10:15:22,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 10:15:22,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 10:15:22,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 10:15:22,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 10:15:22,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 10:15:22,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 10:15:22,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 10:15:22,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 10:15:22,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 10:15:22,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 10:15:22,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 10:15:22,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 10:15:22,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 10:15:22,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 10:15:22,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 10:15:22,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 10:15:22,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 10:15:22,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 10:15:22,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 10:15:22,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 10:15:22,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 10:15:22,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 10:15:22,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 10:15:22,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 10:15:22,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 10:15:22,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 10:15:22,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 10:15:22,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 10:15:22,983 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 [2020-10-27 10:15:23,045 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 10:15:23,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 10:15:23,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 10:15:23,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 10:15:23,051 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 10:15:23,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 10:15:23,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 10:15:23,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 10:15:23,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 10:15:23,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 10:15:23,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 10:15:23,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 10:15:23,052 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 10:15:23,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 10:15:23,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 10:15:23,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 10:15:23,056 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 10:15:23,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 10:15:23,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 10:15:23,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 10:15:23,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 10:15:23,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 10:15:23,058 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 10:15:23,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 10:15:23,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 10:15:23,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 10:15:23,059 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 10:15:23,059 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 10:15:23,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 10:15:23,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 10:15:23,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 10:15:23,484 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 10:15:23,485 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 10:15:23,486 INFO L432 ainManager$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_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i [2020-10-27 10:15:23,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1fbb111b6/4b4ad614af484ca29e5a1b07eadf6b17/FLAG1d9f84c2a [2020-10-27 10:15:24,682 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 10:15:24,683 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i [2020-10-27 10:15:24,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1fbb111b6/4b4ad614af484ca29e5a1b07eadf6b17/FLAG1d9f84c2a [2020-10-27 10:15:25,099 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1fbb111b6/4b4ad614af484ca29e5a1b07eadf6b17 [2020-10-27 10:15:25,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 10:15:25,112 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 10:15:25,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 10:15:25,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 10:15:25,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 10:15:25,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:15:25" (1/1) ... [2020-10-27 10:15:25,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@351f1861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:15:25, skipping insertion in model container [2020-10-27 10:15:25,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:15:25" (1/1) ... [2020-10-27 10:15:25,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 10:15:25,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 10:15:26,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 10:15:26,971 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 10:15:27,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 10:15:27,792 INFO L208 MainTranslator]: Completed translation [2020-10-27 10:15:27,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:15:27 WrapperNode [2020-10-27 10:15:27,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 10:15:27,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 10:15:27,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 10:15:27,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 10:15:27,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:15:27" (1/1) ... [2020-10-27 10:15:27,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:15:27" (1/1) ... [2020-10-27 10:15:27,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:15:27" (1/1) ... [2020-10-27 10:15:27,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:15:27" (1/1) ... [2020-10-27 10:15:28,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:15:27" (1/1) ... [2020-10-27 10:15:28,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:15:27" (1/1) ... [2020-10-27 10:15:28,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:15:27" (1/1) ... [2020-10-27 10:15:28,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 10:15:28,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 10:15:28,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 10:15:28,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 10:15:28,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:15:27" (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 [2020-10-27 10:15:28,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 10:15:28,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 10:15:28,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-10-27 10:15:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-27 10:15:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-27 10:15:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-10-27 10:15:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 10:15:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-27 10:15:28,217 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-27 10:15:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-27 10:15:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2020-10-27 10:15:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2020-10-27 10:15:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-10-27 10:15:28,218 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 10:15:28,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 10:15:28,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-27 10:15:28,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-27 10:15:28,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-27 10:15:28,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 10:15:28,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-27 10:15:28,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-27 10:15:28,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-27 10:15:28,220 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-27 10:15:28,220 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2020-10-27 10:15:28,220 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_attr_size [2020-10-27 10:15:28,220 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_total_size [2020-10-27 10:15:28,221 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2020-10-27 10:15:28,221 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2020-10-27 10:15:28,221 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2020-10-27 10:15:28,221 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_hold [2020-10-27 10:15:28,221 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2020-10-27 10:15:28,221 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_prv [2020-10-27 10:15:28,222 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_reserve [2020-10-27 10:15:28,222 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_destructor [2020-10-27 10:15:28,222 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_set_owner [2020-10-27 10:15:28,222 INFO L138 BoogieDeclarations]: Found implementation of procedure can_create_echo_skb [2020-10-27 10:15:28,222 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dlc2len [2020-10-27 10:15:28,222 INFO L138 BoogieDeclarations]: Found implementation of procedure can_len2dlc [2020-10-27 10:15:28,223 INFO L138 BoogieDeclarations]: Found implementation of procedure can_update_spt [2020-10-27 10:15:28,223 INFO L138 BoogieDeclarations]: Found implementation of procedure can_calc_bittiming [2020-10-27 10:15:28,223 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fixup_bittiming [2020-10-27 10:15:28,223 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_bittiming [2020-10-27 10:15:28,223 INFO L138 BoogieDeclarations]: Found implementation of procedure can_flush_echo_skb [2020-10-27 10:15:28,223 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2020-10-27 10:15:28,223 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_echo_skb [2020-10-27 10:15:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2020-10-27 10:15:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure can_restart [2020-10-27 10:15:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure can_restart_now [2020-10-27 10:15:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure can_bus_off [2020-10-27 10:15:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure can_setup [2020-10-27 10:15:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_skb [2020-10-27 10:15:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_canfd_skb [2020-10-27 10:15:28,225 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_err_skb [2020-10-27 10:15:28,225 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2020-10-27 10:15:28,225 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2020-10-27 10:15:28,225 INFO L138 BoogieDeclarations]: Found implementation of procedure can_change_mtu [2020-10-27 10:15:28,225 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2020-10-27 10:15:28,225 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2020-10-27 10:15:28,225 INFO L138 BoogieDeclarations]: Found implementation of procedure can_changelink [2020-10-27 10:15:28,226 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_size [2020-10-27 10:15:28,226 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fill_info [2020-10-27 10:15:28,226 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_xstats_size [2020-10-27 10:15:28,226 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fill_xstats [2020-10-27 10:15:28,226 INFO L138 BoogieDeclarations]: Found implementation of procedure can_newlink [2020-10-27 10:15:28,227 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2020-10-27 10:15:28,227 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_candev [2020-10-27 10:15:28,227 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_candev_priv [2020-10-27 10:15:28,227 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dev_init [2020-10-27 10:15:28,227 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dev_exit [2020-10-27 10:15:28,227 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2020-10-27 10:15:28,227 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2020-10-27 10:15:28,228 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2020-10-27 10:15:28,228 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2020-10-27 10:15:28,228 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2020-10-27 10:15:28,228 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2020-10-27 10:15:28,228 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2020-10-27 10:15:28,228 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2020-10-27 10:15:28,229 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2020-10-27 10:15:28,229 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2020-10-27 10:15:28,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2020-10-27 10:15:28,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_rtnl_link_ops_4 [2020-10-27 10:15:28,229 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 10:15:28,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-27 10:15:28,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-27 10:15:28,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-27 10:15:28,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-27 10:15:28,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-27 10:15:28,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2020-10-27 10:15:28,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_14 [2020-10-27 10:15:28,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_15 [2020-10-27 10:15:28,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2020-10-27 10:15:28,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_17 [2020-10-27 10:15:28,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_18 [2020-10-27 10:15:28,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_19 [2020-10-27 10:15:28,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_20 [2020-10-27 10:15:28,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_21 [2020-10-27 10:15:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_22 [2020-10-27 10:15:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_23 [2020-10-27 10:15:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2020-10-27 10:15:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_25 [2020-10-27 10:15:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_27 [2020-10-27 10:15:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notifier_info_to_dev [2020-10-27 10:15:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2020-10-27 10:15:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_release [2020-10-27 10:15:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_can_led_init [2020-10-27 10:15:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier [2020-10-27 10:15:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier_init [2020-10-27 10:15:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier_exit [2020-10-27 10:15:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2020-10-27 10:15:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_35 [2020-10-27 10:15:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_36 [2020-10-27 10:15:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_37 [2020-10-27 10:15:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_38 [2020-10-27 10:15:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_41 [2020-10-27 10:15:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_42 [2020-10-27 10:15:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-27 10:15:28,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-27 10:15:28,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-27 10:15:28,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-27 10:15:28,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-27 10:15:28,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-27 10:15:28,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-27 10:15:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-27 10:15:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-27 10:15:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-27 10:15:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 10:15:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-27 10:15:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-27 10:15:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-27 10:15:28,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-27 10:15:28,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-27 10:15:28,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 10:15:28,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __devres_alloc [2020-10-27 10:15:28,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-10-27 10:15:28,237 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2020-10-27 10:15:28,238 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2020-10-27 10:15:28,238 INFO L138 BoogieDeclarations]: Found implementation of procedure devres_add [2020-10-27 10:15:28,238 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2020-10-27 10:15:28,238 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-10-27 10:15:28,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_4 [2020-10-27 10:15:28,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2020-10-27 10:15:28,238 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_blink_oneshot [2020-10-27 10:15:28,239 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_event [2020-10-27 10:15:28,239 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_register_simple [2020-10-27 10:15:28,239 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_rename_static [2020-10-27 10:15:28,239 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_unregister_simple [2020-10-27 10:15:28,239 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-27 10:15:28,239 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-10-27 10:15:28,240 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-10-27 10:15:28,240 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2020-10-27 10:15:28,240 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2020-10-27 10:15:28,240 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2020-10-27 10:15:28,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-27 10:15:28,240 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-10-27 10:15:28,241 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice_notifier [2020-10-27 10:15:28,241 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2020-10-27 10:15:28,241 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_register [2020-10-27 10:15:28,241 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2020-10-27 10:15:28,241 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_free [2020-10-27 10:15:28,241 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-27 10:15:28,241 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-27 10:15:28,242 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-10-27 10:15:28,242 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2020-10-27 10:15:28,242 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 10:15:28,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-27 10:15:28,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-27 10:15:28,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-27 10:15:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 10:15:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 10:15:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 10:15:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 10:15:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 10:15:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 10:15:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-27 10:15:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-27 10:15:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 10:15:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-27 10:15:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2020-10-27 10:15:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-10-27 10:15:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-27 10:15:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-27 10:15:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-27 10:15:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-27 10:15:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2020-10-27 10:15:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-27 10:15:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_23 [2020-10-27 10:15:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2020-10-27 10:15:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2020-10-27 10:15:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_27 [2020-10-27 10:15:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-27 10:15:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-27 10:15:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-27 10:15:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-27 10:15:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2020-10-27 10:15:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_14 [2020-10-27 10:15:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2020-10-27 10:15:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_17 [2020-10-27 10:15:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_18 [2020-10-27 10:15:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_19 [2020-10-27 10:15:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_21 [2020-10-27 10:15:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-27 10:15:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_15 [2020-10-27 10:15:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-27 10:15:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2020-10-27 10:15:28,248 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-27 10:15:28,248 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-10-27 10:15:28,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 10:15:28,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 10:15:28,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 10:15:28,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_25 [2020-10-27 10:15:28,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-27 10:15:28,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-27 10:15:28,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-27 10:15:28,249 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 10:15:28,249 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 10:15:28,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 10:15:28,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 10:15:28,249 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 10:15:28,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 10:15:28,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 10:15:28,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 10:15:28,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-27 10:15:28,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-27 10:15:28,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-27 10:15:28,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 10:15:28,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-27 10:15:28,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-27 10:15:28,251 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2020-10-27 10:15:28,251 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2020-10-27 10:15:28,251 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2020-10-27 10:15:28,251 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2020-10-27 10:15:28,251 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2020-10-27 10:15:28,252 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2020-10-27 10:15:28,252 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2020-10-27 10:15:28,252 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2020-10-27 10:15:28,252 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2020-10-27 10:15:28,252 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2020-10-27 10:15:28,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2020-10-27 10:15:28,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_rtnl_link_ops_4 [2020-10-27 10:15:28,252 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-27 10:15:28,253 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-10-27 10:15:28,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_20 [2020-10-27 10:15:28,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_22 [2020-10-27 10:15:28,253 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2020-10-27 10:15:28,253 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2020-10-27 10:15:28,253 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2020-10-27 10:15:28,253 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2020-10-27 10:15:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-10-27 10:15:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-10-27 10:15:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-10-27 10:15:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-10-27 10:15:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier_init [2020-10-27 10:15:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier_exit [2020-10-27 10:15:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure can_dlc2len [2020-10-27 10:15:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure can_len2dlc [2020-10-27 10:15:28,255 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2020-10-27 10:15:28,255 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2020-10-27 10:15:28,255 INFO L130 BoogieDeclarations]: Found specification of procedure safe_candev_priv [2020-10-27 10:15:28,255 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2020-10-27 10:15:28,255 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2020-10-27 10:15:28,255 INFO L130 BoogieDeclarations]: Found specification of procedure can_change_mtu [2020-10-27 10:15:28,255 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2020-10-27 10:15:28,256 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_candev [2020-10-27 10:15:28,256 INFO L130 BoogieDeclarations]: Found specification of procedure can_restart_now [2020-10-27 10:15:28,256 INFO L130 BoogieDeclarations]: Found specification of procedure can_bus_off [2020-10-27 10:15:28,256 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2020-10-27 10:15:28,256 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_echo_skb [2020-10-27 10:15:28,256 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2020-10-27 10:15:28,257 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_skb [2020-10-27 10:15:28,257 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_canfd_skb [2020-10-27 10:15:28,257 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_err_skb [2020-10-27 10:15:28,257 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2020-10-27 10:15:28,257 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2020-10-27 10:15:28,257 INFO L130 BoogieDeclarations]: Found specification of procedure nla_attr_size [2020-10-27 10:15:28,257 INFO L130 BoogieDeclarations]: Found specification of procedure nla_total_size [2020-10-27 10:15:28,257 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2020-10-27 10:15:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2020-10-27 10:15:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 10:15:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2020-10-27 10:15:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_register [2020-10-27 10:15:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2020-10-27 10:15:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure sock_hold [2020-10-27 10:15:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure sk_free [2020-10-27 10:15:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2020-10-27 10:15:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_prv [2020-10-27 10:15:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_reserve [2020-10-27 10:15:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_destructor [2020-10-27 10:15:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_set_owner [2020-10-27 10:15:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure can_create_echo_skb [2020-10-27 10:15:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure can_update_spt [2020-10-27 10:15:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure can_calc_bittiming [2020-10-27 10:15:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure can_fixup_bittiming [2020-10-27 10:15:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_bittiming [2020-10-27 10:15:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure can_flush_echo_skb [2020-10-27 10:15:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure can_restart [2020-10-27 10:15:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-10-27 10:15:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure can_setup [2020-10-27 10:15:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-27 10:15:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure can_changelink [2020-10-27 10:15:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-27 10:15:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-27 10:15:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_size [2020-10-27 10:15:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure can_fill_info [2020-10-27 10:15:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-27 10:15:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_xstats_size [2020-10-27 10:15:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure can_fill_xstats [2020-10-27 10:15:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure can_newlink [2020-10-27 10:15:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure can_dev_init [2020-10-27 10:15:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure can_dev_exit [2020-10-27 10:15:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2020-10-27 10:15:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 10:15:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 10:15:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_4 [2020-10-27 10:15:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-10-27 10:15:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2020-10-27 10:15:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 10:15:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-27 10:15:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure __devres_alloc [2020-10-27 10:15:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure devres_add [2020-10-27 10:15:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_36 [2020-10-27 10:15:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_37 [2020-10-27 10:15:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_38 [2020-10-27 10:15:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_41 [2020-10-27 10:15:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_42 [2020-10-27 10:15:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_35 [2020-10-27 10:15:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice_notifier [2020-10-27 10:15:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2020-10-27 10:15:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notifier_info_to_dev [2020-10-27 10:15:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_register_simple [2020-10-27 10:15:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_unregister_simple [2020-10-27 10:15:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_event [2020-10-27 10:15:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_blink_oneshot [2020-10-27 10:15:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_rename_static [2020-10-27 10:15:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2020-10-27 10:15:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure devm_can_led_init [2020-10-27 10:15:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_release [2020-10-27 10:15:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier [2020-10-27 10:15:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-27 10:15:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-27 10:15:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-27 10:15:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-27 10:15:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-27 10:15:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-27 10:15:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-27 10:15:28,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-27 10:15:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-27 10:15:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-27 10:15:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-27 10:15:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-27 10:15:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 10:15:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 10:15:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 10:15:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 10:15:28,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 10:15:28,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 10:15:28,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 10:15:28,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 10:15:28,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 10:15:28,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 10:15:29,924 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-27 10:15:37,063 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 10:15:37,063 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 10:15:37,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:15:37 BoogieIcfgContainer [2020-10-27 10:15:37,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 10:15:37,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 10:15:37,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 10:15:37,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 10:15:37,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:15:25" (1/3) ... [2020-10-27 10:15:37,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@154d030f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:15:37, skipping insertion in model container [2020-10-27 10:15:37,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:15:27" (2/3) ... [2020-10-27 10:15:37,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@154d030f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:15:37, skipping insertion in model container [2020-10-27 10:15:37,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:15:37" (3/3) ... [2020-10-27 10:15:37,078 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i [2020-10-27 10:15:37,096 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 10:15:37,116 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 10:15:37,133 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 10:15:37,168 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 10:15:37,168 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 10:15:37,168 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 10:15:37,168 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 10:15:37,168 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 10:15:37,168 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 10:15:37,169 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 10:15:37,169 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 10:15:37,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states. [2020-10-27 10:15:37,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-27 10:15:37,238 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:15:37,240 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:15:37,241 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:15:37,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:15:37,250 INFO L82 PathProgramCache]: Analyzing trace with hash 2035637874, now seen corresponding path program 1 times [2020-10-27 10:15:37,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:15:37,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [537831911] [2020-10-27 10:15:37,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:15:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:15:38,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:15:39,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:15:42,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:15:42,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 10:15:42,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:15:42,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 10:15:42,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:15:42,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 10:15:42,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 10:15:42,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-27 10:15:42,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-27 10:15:45,979 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification that was a NOOP. DAG size: 634 [2020-10-27 10:15:45,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:15:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:15:46,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:15:46,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:15:46,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:15:46,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:15:46,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-10-27 10:15:46,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:15:46,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:15:46,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:15:46,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:15:46,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:15:46,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:15:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:15:46,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:15:46,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:15:46,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:15:46,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:15:46,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:15:46,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:15:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:15:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:15:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:15:46,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:15:46,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:15:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:15:46,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:15:46,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:15:46,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:15:46,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:15:46,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 10:15:46,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:15:46,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:15:46,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:15:46,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:15:46,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:15:46,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:15:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:15:46,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:15:46,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:15:46,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:15:46,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:15:46,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 10:15:46,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:15:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:15:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:15:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 10:15:46,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:15:46,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 10:15:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:15:46,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:15:46,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:15:46,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:15:46,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:15:46,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 10:15:46,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:15:46,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:15:46,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:15:46,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:15:46,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:15:46,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 10:15:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:15:46,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:15:46,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:15:46,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 10:15:46,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:15:46,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 10:15:46,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:15:46,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:15:46,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:15:46,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 10:15:46,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:15:46,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:15:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:15:46,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:15:46,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:15:46,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:15:46,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:15:46,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:15:46,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:15:46,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:15:46,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:15:46,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:15:46,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:15:46,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 10:15:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:15:46,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:15:46,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:15:46,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 10:15:46,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:15:46,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:15:46,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:15:46,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:15:46,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:15:46,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:15:46,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:15:46,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:15:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:15:46,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:15:46,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:15:46,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:15:46,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:15:46,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:15:46,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:15:46,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:15:46,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:15:46,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:15:46,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:15:46,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 10:15:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:15:46,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:15:46,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:15:46,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:15:46,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:15:46,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 10:15:46,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:15:46,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:15:46,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:15:46,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:15:46,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:15:46,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 10:15:46,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [537831911] [2020-10-27 10:15:46,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:15:46,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 10:15:46,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993618859] [2020-10-27 10:15:46,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 10:15:46,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:15:46,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 10:15:46,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-27 10:15:46,728 INFO L87 Difference]: Start difference. First operand 1138 states. Second operand 10 states. [2020-10-27 10:15:49,443 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 637 [2020-10-27 10:15:53,004 WARN L193 SmtUtils]: Spent 2.81 s on a formula simplification that was a NOOP. DAG size: 639 [2020-10-27 10:15:56,020 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification that was a NOOP. DAG size: 636 [2020-10-27 10:16:05,703 WARN L193 SmtUtils]: Spent 5.56 s on a formula simplification. DAG size of input: 644 DAG size of output: 642 [2020-10-27 10:16:08,679 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification that was a NOOP. DAG size: 642 [2020-10-27 10:16:11,520 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification that was a NOOP. DAG size: 642 [2020-10-27 10:16:32,489 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification that was a NOOP. DAG size: 644 [2020-10-27 10:16:42,816 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 641 [2020-10-27 10:17:07,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:17:07,502 INFO L93 Difference]: Finished difference Result 3123 states and 4460 transitions. [2020-10-27 10:17:07,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 10:17:07,505 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2020-10-27 10:17:07,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:17:07,556 INFO L225 Difference]: With dead ends: 3123 [2020-10-27 10:17:07,556 INFO L226 Difference]: Without dead ends: 2198 [2020-10-27 10:17:07,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 28.3s TimeCoverageRelationStatistics Valid=205, Invalid=551, Unknown=0, NotChecked=0, Total=756 [2020-10-27 10:17:07,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2198 states. [2020-10-27 10:17:08,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2198 to 1735. [2020-10-27 10:17:08,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1735 states. [2020-10-27 10:17:08,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 2346 transitions. [2020-10-27 10:17:08,357 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 2346 transitions. Word has length 60 [2020-10-27 10:17:08,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:17:08,359 INFO L481 AbstractCegarLoop]: Abstraction has 1735 states and 2346 transitions. [2020-10-27 10:17:08,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 10:17:08,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2346 transitions. [2020-10-27 10:17:08,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-27 10:17:08,386 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:17:08,387 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:17:08,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 10:17:08,387 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:17:08,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:17:08,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1526474846, now seen corresponding path program 1 times [2020-10-27 10:17:08,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:17:08,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1337858346] [2020-10-27 10:17:08,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:17:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:08,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:08,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:09,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:14,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:14,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-27 10:17:14,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 10:17:14,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5734 [2020-10-27 10:17:14,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:14,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:17:14,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-27 10:17:14,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 10:17:14,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:17,093 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 634 [2020-10-27 10:17:17,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:17:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:17,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:17,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:17,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:17:17,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:17,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-10-27 10:17:17,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:17,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:17,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:17,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:17,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:17:17,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:17:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:17,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:17,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:17,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:17:17,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:17,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 10:17:17,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:17,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:17,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:17,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:17,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:17,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:17:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:17,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:17,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:17,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:17:17,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:17,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:17:17,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:17,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:17,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:17,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:17:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:17,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:17,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:17,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:17:17,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:17,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:17:17,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:17,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:17,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:17,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:17,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:17,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 10:17:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:17,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:17,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:17,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:17:17,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:17,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:17:17,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:17:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 10:17:17,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:17,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 10:17:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:17,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:18,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:19,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:19,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-27 10:17:19,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:17:19,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1443 [2020-10-27 10:17:19,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:19,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:17:19,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 10:17:19,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-27 10:17:19,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:19,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 10:17:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:19,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:19,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:20,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:20,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-27 10:17:20,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:17:20,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 700 [2020-10-27 10:17:20,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:20,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:17:20,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:20,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-27 10:17:20,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:20,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:17:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:20,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:20,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:20,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:20,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-27 10:17:20,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:17:20,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 709 [2020-10-27 10:17:20,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:20,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:20,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:20,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:20,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:20,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:17:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:20,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:20,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:20,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:17:20,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:20,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:17:20,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:20,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:20,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:20,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:20,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:20,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:17:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:20,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:20,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:20,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 10:17:20,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:20,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 10:17:20,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:20,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:20,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:20,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:20,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:17:20,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:17:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:20,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:20,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:20,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:17:20,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:20,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:17:20,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:20,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:20,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:20,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:20,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 10:17:20,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 10:17:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:20,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:20,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:20,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:17:20,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:20,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:17:20,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:20,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:20,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:20,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:20,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:20,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 10:17:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:20,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:21,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 10:17:21,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:21,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 10:17:21,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:21,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:21,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:21,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:21,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:21,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:17:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:21,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:21,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:17:21,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:21,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:17:21,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:21,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:21,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:21,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:21,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:21,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 10:17:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:21,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:21,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-27 10:17:21,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:17:21,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-27 10:17:21,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:21,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:21,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:21,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:21,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:21,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:17:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:21,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:21,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 10:17:21,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:17:21,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-27 10:17:21,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:21,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:21,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:21,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:21,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:21,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:17:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:21,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:21,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 10:17:21,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:17:21,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 10:17:21,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:21,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:21,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:21,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:21,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:21,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:17:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:21,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:21,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 10:17:21,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:17:21,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-27 10:17:21,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:21,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:21,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:21,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:21,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:21,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:17:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:21,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:21,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:17:21,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:21,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:17:21,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:21,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:21,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:21,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:21,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:17:21,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 10:17:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:21,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:21,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 10:17:21,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:21,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:17:21,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:21,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:21,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:21,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:21,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:21,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 10:17:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:21,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:21,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:17:21,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:21,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:17:21,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:21,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:21,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:21,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:21,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:21,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 10:17:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:21,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:21,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:17:21,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:21,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:17:21,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:21,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:21,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:21,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:21,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:21,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 10:17:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:21,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:21,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:17:21,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:21,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:17:21,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:21,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:21,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:21,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:21,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:21,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 10:17:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:21,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:21,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 10:17:21,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:21,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 10:17:21,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:21,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:21,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:21,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:21,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:21,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 10:17:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:21,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:21,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 10:17:21,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:21,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 10:17:21,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:21,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:21,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:21,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:21,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:21,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:17:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:21,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:21,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:17:21,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:21,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:17:21,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:21,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:21,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:21,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:21,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:21,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 10:17:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:21,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:21,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:17:21,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:21,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:17:21,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:21,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:21,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:21,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:21,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:21,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-27 10:17:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:21,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:21,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 10:17:21,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:21,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 10:17:21,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:21,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:21,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 10:17:21,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:21,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:21,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:17:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:21,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:21,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:17:21,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:21,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:17:21,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:21,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:21,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:21,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:21,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:21,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 10:17:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:21,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:21,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 10:17:21,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:21,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:17:21,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:21,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:21,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:21,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:21,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:21,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:17:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:21,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:21,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:17:21,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:21,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:17:21,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:21,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:21,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:17:21,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:21,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:21,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-27 10:17:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:17:21,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:17:21,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:17:21,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:17:21,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:17:21,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:17:21,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:17:21,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:17:21,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:17:21,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:17:21,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:17:22,140 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-27 10:17:22,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1337858346] [2020-10-27 10:17:22,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:17:22,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 10:17:22,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635830694] [2020-10-27 10:17:22,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 10:17:22,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:17:22,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 10:17:22,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-10-27 10:17:22,144 INFO L87 Difference]: Start difference. First operand 1735 states and 2346 transitions. Second operand 14 states. [2020-10-27 10:17:24,842 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 637 [2020-10-27 10:17:28,393 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 639 [2020-10-27 10:17:31,178 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 636 [2020-10-27 10:18:37,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:18:37,980 INFO L93 Difference]: Finished difference Result 6501 states and 9254 transitions. [2020-10-27 10:18:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-27 10:18:37,981 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 191 [2020-10-27 10:18:37,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:18:38,015 INFO L225 Difference]: With dead ends: 6501 [2020-10-27 10:18:38,015 INFO L226 Difference]: Without dead ends: 4787 [2020-10-27 10:18:38,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=328, Invalid=1004, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 10:18:38,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4787 states. [2020-10-27 10:18:38,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4787 to 3556. [2020-10-27 10:18:38,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3556 states. [2020-10-27 10:18:38,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3556 states to 3556 states and 4864 transitions. [2020-10-27 10:18:38,934 INFO L78 Accepts]: Start accepts. Automaton has 3556 states and 4864 transitions. Word has length 191 [2020-10-27 10:18:38,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:18:38,934 INFO L481 AbstractCegarLoop]: Abstraction has 3556 states and 4864 transitions. [2020-10-27 10:18:38,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 10:18:38,935 INFO L276 IsEmpty]: Start isEmpty. Operand 3556 states and 4864 transitions. [2020-10-27 10:18:38,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-27 10:18:38,950 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:18:38,951 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:18:38,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 10:18:38,951 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:18:38,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:18:38,952 INFO L82 PathProgramCache]: Analyzing trace with hash -251989040, now seen corresponding path program 1 times [2020-10-27 10:18:38,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:18:38,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1986966236] [2020-10-27 10:18:38,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:18:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:39,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:39,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:44,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:44,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-27 10:18:44,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:18:44,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5666 [2020-10-27 10:18:44,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:44,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:18:44,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-27 10:18:44,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-27 10:18:44,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:47,463 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 634 [2020-10-27 10:18:47,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:18:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:47,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:47,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:47,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:18:47,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:47,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-27 10:18:47,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:47,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:47,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:47,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:47,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:47,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:18:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:47,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:47,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:47,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:18:47,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:47,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:18:47,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:47,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:47,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:47,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:47,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:47,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:18:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:47,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:47,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:47,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:18:47,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:47,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:18:47,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:47,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:47,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:47,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:47,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:47,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:18:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:47,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:47,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:47,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:18:47,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:47,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:18:47,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:47,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:47,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:47,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:47,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:47,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 10:18:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:47,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:47,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:47,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:18:47,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:47,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:18:47,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:47,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:47,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:47,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:47,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:47,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 10:18:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:47,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:48,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:48,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:48,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-27 10:18:48,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:18:48,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 649 [2020-10-27 10:18:48,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:48,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:18:48,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:48,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-10-27 10:18:48,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:48,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:18:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:48,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:48,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:49,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:49,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-27 10:18:49,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:18:49,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 422 [2020-10-27 10:18:49,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:49,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:49,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:49,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:49,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:49,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:18:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:49,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:49,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:49,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:49,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-27 10:18:49,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:18:49,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 477 [2020-10-27 10:18:49,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:49,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:49,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:49,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:49,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:49,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:18:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:49,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:49,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:49,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:18:49,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:49,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:18:49,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:49,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:49,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:49,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:49,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:49,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:18:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:49,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:49,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:49,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 10:18:49,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:49,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 10:18:49,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:49,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:49,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:49,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:49,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:49,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:18:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:49,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:49,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:49,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:18:49,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:49,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:18:49,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:49,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:49,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:49,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:49,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:49,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 10:18:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:49,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:49,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:49,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:18:49,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:49,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:18:49,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:49,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:49,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:49,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:49,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:49,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 10:18:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:49,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:49,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:49,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 10:18:49,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:49,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:18:49,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:49,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:49,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:49,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:18:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:49,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:49,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:49,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:18:49,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:49,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:18:49,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:49,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:49,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:49,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:49,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:49,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 10:18:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:49,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:49,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:49,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:49,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-27 10:18:49,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:18:49,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-27 10:18:49,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:49,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:49,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:49,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:49,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:50,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:18:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:50,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:50,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:50,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:50,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 10:18:50,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:18:50,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-27 10:18:50,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:50,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:50,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:50,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:50,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:50,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:18:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:50,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:50,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:50,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:50,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 10:18:50,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:18:50,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-27 10:18:50,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:50,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:50,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:50,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:50,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:50,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:18:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:50,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:50,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:50,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:50,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 10:18:50,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:18:50,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-27 10:18:50,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:50,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:50,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:50,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:50,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:50,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:18:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:50,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:50,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:50,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:18:50,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:50,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:18:50,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:50,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:50,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:50,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:50,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:50,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 10:18:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:50,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:50,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:50,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 10:18:50,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:50,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 10:18:50,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:50,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:50,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:50,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:50,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 10:18:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:50,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:50,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:50,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:18:50,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:50,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:18:50,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:50,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:50,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:50,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:50,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:50,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 10:18:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:50,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:50,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:50,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:18:50,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:50,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:18:50,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:50,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:50,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:50,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:50,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:50,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 10:18:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:50,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:50,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:50,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:18:50,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:50,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:18:50,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:50,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:50,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:50,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:50,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:50,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 10:18:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:50,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:50,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:50,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 10:18:50,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:50,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 10:18:50,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:50,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:50,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:50,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:50,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:50,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 10:18:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:50,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:50,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:50,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 10:18:50,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:50,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 10:18:50,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:50,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:50,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:50,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:50,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:50,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:18:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:50,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:50,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:50,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:18:50,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:50,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:18:50,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:50,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:50,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:50,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:50,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:50,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 10:18:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:50,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:50,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:50,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:18:50,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:50,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 10:18:50,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:50,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:50,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:50,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:50,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 10:18:50,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 10:18:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:50,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:50,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:50,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 10:18:50,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:50,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:18:50,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:50,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:50,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 10:18:50,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:50,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:50,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:18:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:50,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:50,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:50,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:18:50,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:50,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 10:18:50,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:50,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:50,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:50,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:50,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 10:18:50,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 10:18:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:50,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:50,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:50,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 10:18:50,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:50,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 10:18:50,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:50,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:50,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:50,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:50,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:50,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:18:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:50,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:50,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:50,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:18:50,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:50,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:18:50,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:50,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:50,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:18:50,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:50,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:50,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-27 10:18:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:18:50,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:18:50,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:18:50,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:18:50,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:18:50,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:18:50,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:18:50,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:18:50,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:18:50,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:18:50,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:18:50,907 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-27 10:18:50,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1986966236] [2020-10-27 10:18:50,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:18:50,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 10:18:50,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308671051] [2020-10-27 10:18:50,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 10:18:50,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:18:50,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 10:18:50,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-27 10:18:50,912 INFO L87 Difference]: Start difference. First operand 3556 states and 4864 transitions. Second operand 11 states. [2020-10-27 10:18:53,609 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 637 [2020-10-27 10:18:57,455 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 639 [2020-10-27 10:19:00,216 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 636