/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=DEEPEST --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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 03:13:33,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 03:13:33,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 03:13:33,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 03:13:33,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 03:13:33,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 03:13:33,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 03:13:33,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 03:13:33,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 03:13:33,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 03:13:33,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 03:13:33,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 03:13:33,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 03:13:33,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 03:13:33,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 03:13:33,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 03:13:33,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 03:13:33,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 03:13:33,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 03:13:33,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 03:13:33,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 03:13:33,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 03:13:33,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 03:13:33,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 03:13:33,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 03:13:33,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 03:13:33,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 03:13:33,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 03:13:33,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 03:13:33,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 03:13:33,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 03:13:33,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 03:13:33,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 03:13:33,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 03:13:33,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 03:13:33,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 03:13:33,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 03:13:33,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 03:13:33,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 03:13:33,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 03:13:33,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 03:13:33,215 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 [2020-10-28 03:13:33,270 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 03:13:33,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 03:13:33,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 03:13:33,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 03:13:33,275 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 03:13:33,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 03:13:33,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 03:13:33,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 03:13:33,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 03:13:33,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 03:13:33,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 03:13:33,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 03:13:33,278 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 03:13:33,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 03:13:33,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 03:13:33,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 03:13:33,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 03:13:33,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 03:13:33,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 03:13:33,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 03:13:33,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 03:13:33,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 03:13:33,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 03:13:33,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 03:13:33,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 03:13:33,281 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 03:13:33,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 03:13:33,281 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 03:13:33,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 03:13:33,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 03:13:33,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 03:13:33,782 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 03:13:33,783 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 03:13:33,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2020-10-28 03:13:33,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bcf339a19/f3b4edd3eb34408191abd3e51cfc429f/FLAGba6bb28e8 [2020-10-28 03:13:34,801 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 03:13:34,802 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2020-10-28 03:13:34,846 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bcf339a19/f3b4edd3eb34408191abd3e51cfc429f/FLAGba6bb28e8 [2020-10-28 03:13:35,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bcf339a19/f3b4edd3eb34408191abd3e51cfc429f [2020-10-28 03:13:35,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 03:13:35,313 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 03:13:35,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 03:13:35,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 03:13:35,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 03:13:35,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:13:35" (1/1) ... [2020-10-28 03:13:35,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1315bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:13:35, skipping insertion in model container [2020-10-28 03:13:35,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:13:35" (1/1) ... [2020-10-28 03:13:35,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 03:13:35,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 03:13:36,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 03:13:36,932 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 03:13:37,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 03:13:37,461 INFO L208 MainTranslator]: Completed translation [2020-10-28 03:13:37,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:13:37 WrapperNode [2020-10-28 03:13:37,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 03:13:37,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 03:13:37,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 03:13:37,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 03:13:37,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:13:37" (1/1) ... [2020-10-28 03:13:37,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:13:37" (1/1) ... [2020-10-28 03:13:37,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:13:37" (1/1) ... [2020-10-28 03:13:37,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:13:37" (1/1) ... [2020-10-28 03:13:37,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:13:37" (1/1) ... [2020-10-28 03:13:37,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:13:37" (1/1) ... [2020-10-28 03:13:37,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:13:37" (1/1) ... [2020-10-28 03:13:37,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 03:13:37,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 03:13:37,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 03:13:37,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 03:13:37,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:13:37" (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 [2020-10-28 03:13:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 03:13:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 03:13:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 03:13:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2020-10-28 03:13:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-28 03:13:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 03:13:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-28 03:13:37,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-10-28 03:13:37,833 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-28 03:13:37,833 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-28 03:13:37,833 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-28 03:13:37,834 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2020-10-28 03:13:37,835 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2020-10-28 03:13:37,835 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2020-10-28 03:13:37,835 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2020-10-28 03:13:37,835 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 03:13:37,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 03:13:37,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 03:13:37,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 03:13:37,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 03:13:37,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 03:13:37,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 03:13:37,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 03:13:37,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 03:13:37,840 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-28 03:13:37,840 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_header_cloned [2020-10-28 03:13:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-10-28 03:13:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2020-10-28 03:13:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-10-28 03:13:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2020-10-28 03:13:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2020-10-28 03:13:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2020-10-28 03:13:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow_head [2020-10-28 03:13:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2020-10-28 03:13:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_hw_offload_capable [2020-10-28 03:13:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_insert_tag [2020-10-28 03:13:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_put_tag [2020-10-28 03:13:37,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2020-10-28 03:13:37,843 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_put_tag [2020-10-28 03:13:37,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_get_tag [2020-10-28 03:13:37,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_get_tag [2020-10-28 03:13:37,843 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_get_tag [2020-10-28 03:13:37,844 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_manage_power [2020-10-28 03:13:37,844 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_wdm_manage_power [2020-10-28 03:13:37,844 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_bind [2020-10-28 03:13:37,844 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_unbind [2020-10-28 03:13:37,844 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_tx_fixup [2020-10-28 03:13:37,844 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_process_dgram [2020-10-28 03:13:37,845 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_rx_fixup [2020-10-28 03:13:37,845 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_suspend [2020-10-28 03:13:37,845 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_resume [2020-10-28 03:13:37,845 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_driver_init [2020-10-28 03:13:37,845 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_driver_exit [2020-10-28 03:13:37,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-10-28 03:13:37,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_3 [2020-10-28 03:13:37,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-28 03:13:37,847 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 03:13:37,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_2 [2020-10-28 03:13:37,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_3 [2020-10-28 03:13:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_4 [2020-10-28 03:13:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_7 [2020-10-28 03:13:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_8 [2020-10-28 03:13:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-28 03:13:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-28 03:13:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-28 03:13:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-28 03:13:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2020-10-28 03:13:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-28 03:13:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-28 03:13:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-28 03:13:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-28 03:13:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-28 03:13:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-28 03:13:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-28 03:13:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-28 03:13:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-28 03:13:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-28 03:13:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-28 03:13:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 03:13:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-28 03:13:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-10-28 03:13:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-28 03:13:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2020-10-28 03:13:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2020-10-28 03:13:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_bind_common [2020-10-28 03:13:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_fill_tx_frame [2020-10-28 03:13:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_rx_verify_ndp16 [2020-10-28 03:13:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_rx_verify_nth16 [2020-10-28 03:13:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_select_altsetting [2020-10-28 03:13:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_unbind [2020-10-28 03:13:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-28 03:13:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2020-10-28 03:13:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 03:13:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-10-28 03:13:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-10-28 03:13:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-28 03:13:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-28 03:13:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-28 03:13:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_cdc_wdm_register [2020-10-28 03:13:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-28 03:13:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-28 03:13:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-10-28 03:13:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-10-28 03:13:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-10-28 03:13:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-10-28 03:13:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-10-28 03:13:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 03:13:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 03:13:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 03:13:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 03:13:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-28 03:13:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 03:13:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 03:13:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 03:13:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 03:13:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 03:13:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 03:13:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 03:13:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 03:13:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 03:13:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-28 03:13:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-28 03:13:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-28 03:13:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-10-28 03:13:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-10-28 03:13:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-28 03:13:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-28 03:13:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2020-10-28 03:13:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-28 03:13:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 03:13:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2020-10-28 03:13:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2020-10-28 03:13:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2020-10-28 03:13:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2020-10-28 03:13:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2020-10-28 03:13:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2020-10-28 03:13:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_4 [2020-10-28 03:13:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_2 [2020-10-28 03:13:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_3 [2020-10-28 03:13:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-28 03:13:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_7 [2020-10-28 03:13:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-28 03:13:37,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_8 [2020-10-28 03:13:37,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-28 03:13:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-28 03:13:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-28 03:13:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 03:13:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 03:13:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 03:13:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 03:13:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 03:13:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 03:13:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 03:13:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 03:13:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 03:13:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 03:13:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 03:13:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 03:13:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 03:13:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 03:13:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-10-28 03:13:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_3 [2020-10-28 03:13:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-28 03:13:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2020-10-28 03:13:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-10-28 03:13:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-28 03:13:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 03:13:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure skb_header_cloned [2020-10-28 03:13:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-28 03:13:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-28 03:13:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-28 03:13:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-10-28 03:13:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2020-10-28 03:13:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-10-28 03:13:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 03:13:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-28 03:13:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2020-10-28 03:13:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2020-10-28 03:13:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2020-10-28 03:13:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow_head [2020-10-28 03:13:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2020-10-28 03:13:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-28 03:13:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-10-28 03:13:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_hw_offload_capable [2020-10-28 03:13:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_insert_tag [2020-10-28 03:13:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-28 03:13:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_put_tag [2020-10-28 03:13:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2020-10-28 03:13:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_put_tag [2020-10-28 03:13:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_get_tag [2020-10-28 03:13:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_get_tag [2020-10-28 03:13:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_get_tag [2020-10-28 03:13:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-10-28 03:13:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-10-28 03:13:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-10-28 03:13:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-10-28 03:13:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-10-28 03:13:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_cdc_wdm_register [2020-10-28 03:13:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_select_altsetting [2020-10-28 03:13:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_bind_common [2020-10-28 03:13:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_unbind [2020-10-28 03:13:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_fill_tx_frame [2020-10-28 03:13:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_rx_verify_nth16 [2020-10-28 03:13:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_rx_verify_ndp16 [2020-10-28 03:13:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_manage_power [2020-10-28 03:13:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 03:13:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 03:13:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_wdm_manage_power [2020-10-28 03:13:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_bind [2020-10-28 03:13:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_unbind [2020-10-28 03:13:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 03:13:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_tx_fixup [2020-10-28 03:13:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_process_dgram [2020-10-28 03:13:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 03:13:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 03:13:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_rx_fixup [2020-10-28 03:13:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_suspend [2020-10-28 03:13:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2020-10-28 03:13:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_resume [2020-10-28 03:13:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-28 03:13:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_driver_init [2020-10-28 03:13:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_driver_exit [2020-10-28 03:13:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 03:13:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 03:13:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 03:13:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-28 03:13:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-28 03:13:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-28 03:13:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2020-10-28 03:13:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-28 03:13:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-28 03:13:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-28 03:13:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-28 03:13:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-28 03:13:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-28 03:13:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-28 03:13:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-28 03:13:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-28 03:13:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-28 03:13:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 03:13:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 03:13:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 03:13:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 03:13:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 03:13:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 03:13:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 03:13:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 03:13:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 03:13:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 03:13:38,776 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 03:13:39,961 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-28 03:13:40,978 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 03:13:40,979 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 03:13:40,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:13:40 BoogieIcfgContainer [2020-10-28 03:13:40,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 03:13:40,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 03:13:40,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 03:13:40,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 03:13:40,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:13:35" (1/3) ... [2020-10-28 03:13:40,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6e66fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:13:40, skipping insertion in model container [2020-10-28 03:13:40,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:13:37" (2/3) ... [2020-10-28 03:13:40,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6e66fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:13:40, skipping insertion in model container [2020-10-28 03:13:40,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:13:40" (3/3) ... [2020-10-28 03:13:40,993 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2020-10-28 03:13:41,008 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 03:13:41,015 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 03:13:41,030 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 03:13:41,066 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 03:13:41,066 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 03:13:41,066 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 03:13:41,066 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 03:13:41,066 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 03:13:41,067 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 03:13:41,067 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 03:13:41,067 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 03:13:41,110 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states. [2020-10-28 03:13:41,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 03:13:41,145 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:13:41,146 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:13:41,146 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:13:41,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:13:41,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1445579603, now seen corresponding path program 1 times [2020-10-28 03:13:41,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:13:41,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [758458938] [2020-10-28 03:13:41,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:13:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:13:41,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:41,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:42,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:42,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:46,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:46,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:13:46,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 03:13:46,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 03:13:46,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 03:13:46,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:13:46,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:13:46,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 03:13:46,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 03:13:46,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 03:13:47,726 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2020-10-28 03:13:47,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:13:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:13:47,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:47,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:13:47,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:13:47,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:13:47,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-28 03:13:47,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:13:47,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:13:47,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:13:47,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:13:47,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:13:47,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:13:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:13:47,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:47,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:13:47,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:13:47,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:13:47,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:13:47,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:13:47,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:13:47,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:13:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:13:47,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:13:47,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:13:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:13:47,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:47,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:13:47,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:13:47,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:13:47,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:13:47,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:13:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:13:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:13:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:13:47,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:13:47,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 03:13:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:13:47,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:47,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:47,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:13:47,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:13:47,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:13:47,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 03:13:47,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:13:47,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:13:47,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:13:47,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:13:47,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:13:48,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 03:13:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:13:48,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:48,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:48,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:13:48,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:13:48,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:13:48,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 03:13:48,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:13:48,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:13:48,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:13:48,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:13:48,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:13:48,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:13:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:13:48,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:48,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:48,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:13:48,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:13:48,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:13:48,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 03:13:48,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:13:48,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:13:48,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:13:48,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:13:48,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:13:48,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 03:13:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:13:48,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:48,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:13:48,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 03:13:48,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:13:48,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:13:48,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:13:48,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:13:48,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 03:13:48,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:13:48,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:13:48,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:13:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:13:48,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:48,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:13:48,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:13:48,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:13:48,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:13:48,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:13:48,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:13:48,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:13:48,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:13:48,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:13:48,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:13:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:13:48,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:13:48,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:13:48,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:13:48,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:13:48,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:13:48,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:13:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:13:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:13:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:13:48,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:13:48,194 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-28 03:13:48,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [758458938] [2020-10-28 03:13:48,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:13:48,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 03:13:48,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612931799] [2020-10-28 03:13:48,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 03:13:48,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:13:48,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 03:13:48,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-28 03:13:48,224 INFO L87 Difference]: Start difference. First operand 795 states. Second operand 9 states. [2020-10-28 03:13:49,150 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2020-10-28 03:13:50,561 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 354 [2020-10-28 03:13:51,708 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2020-10-28 03:13:52,825 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2020-10-28 03:13:53,886 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 359 [2020-10-28 03:14:14,547 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2020-10-28 03:14:15,540 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2020-10-28 03:14:19,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:14:19,015 INFO L93 Difference]: Finished difference Result 2543 states and 3467 transitions. [2020-10-28 03:14:19,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 03:14:19,017 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-10-28 03:14:19,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:14:19,057 INFO L225 Difference]: With dead ends: 2543 [2020-10-28 03:14:19,058 INFO L226 Difference]: Without dead ends: 1779 [2020-10-28 03:14:19,071 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2020-10-28 03:14:19,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1779 states. [2020-10-28 03:14:19,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1779 to 1362. [2020-10-28 03:14:19,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1362 states. [2020-10-28 03:14:19,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 1758 transitions. [2020-10-28 03:14:19,550 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 1758 transitions. Word has length 58 [2020-10-28 03:14:19,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:14:19,550 INFO L481 AbstractCegarLoop]: Abstraction has 1362 states and 1758 transitions. [2020-10-28 03:14:19,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 03:14:19,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1758 transitions. [2020-10-28 03:14:19,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-28 03:14:19,570 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:14:19,571 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:14:19,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 03:14:19,571 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:14:19,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:14:19,572 INFO L82 PathProgramCache]: Analyzing trace with hash 665734575, now seen corresponding path program 1 times [2020-10-28 03:14:19,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:14:19,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [749258541] [2020-10-28 03:14:19,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:14:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:19,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:19,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:20,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:24,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:24,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-28 03:14:24,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 03:14:24,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5137 [2020-10-28 03:14:24,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:24,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:14:24,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 03:14:24,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:14:24,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:25,709 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2020-10-28 03:14:25,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:14:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:25,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:25,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:25,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:14:25,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:14:25,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-28 03:14:25,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:25,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:14:25,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:14:25,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:14:25,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:25,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:14:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:25,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:25,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:25,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:14:25,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:14:25,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:14:25,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:25,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:14:25,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:14:25,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:14:25,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:25,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:14:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:25,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:25,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:25,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:14:25,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:14:25,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:14:25,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:25,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:14:25,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:14:25,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:14:25,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:25,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 03:14:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:25,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:25,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:25,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:25,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 03:14:25,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:14:25,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 03:14:25,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:25,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:14:25,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:14:25,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 03:14:25,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:25,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 03:14:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:25,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:25,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:25,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:25,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 03:14:25,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:14:25,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 03:14:25,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:25,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:14:25,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:14:25,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 03:14:25,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:26,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 03:14:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:26,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:26,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:26,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 03:14:26,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:14:26,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 03:14:26,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:26,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:14:26,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:14:26,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 03:14:26,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:26,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 03:14:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:26,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:26,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:26,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 03:14:26,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:14:26,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 03:14:26,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:26,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:14:26,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 03:14:26,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:14:26,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:26,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:14:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:26,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:26,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:26,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:14:26,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:14:26,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 03:14:26,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:26,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:14:26,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:14:26,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:14:26,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:26,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:14:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:26,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:26,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:26,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:14:26,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:14:26,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:14:26,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:26,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:14:26,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:14:26,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:14:26,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:26,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:14:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:26,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:26,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:26,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:14:26,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:14:26,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 03:14:26,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:26,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:14:26,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:14:26,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:14:26,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:26,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:14:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:26,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:26,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:26,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:14:26,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:14:26,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:14:26,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:26,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:14:26,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:14:26,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:14:26,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:26,301 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-28 03:14:26,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [749258541] [2020-10-28 03:14:26,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 03:14:26,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 03:14:26,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943012039] [2020-10-28 03:14:26,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 03:14:26,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:14:26,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 03:14:26,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-28 03:14:26,310 INFO L87 Difference]: Start difference. First operand 1362 states and 1758 transitions. Second operand 10 states. [2020-10-28 03:14:27,269 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2020-10-28 03:14:28,592 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2020-10-28 03:14:29,515 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2020-10-28 03:14:30,418 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2020-10-28 03:14:42,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:14:42,967 INFO L93 Difference]: Finished difference Result 3130 states and 4116 transitions. [2020-10-28 03:14:42,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 03:14:42,973 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 77 [2020-10-28 03:14:42,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:14:42,985 INFO L225 Difference]: With dead ends: 3130 [2020-10-28 03:14:42,986 INFO L226 Difference]: Without dead ends: 1776 [2020-10-28 03:14:42,992 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2020-10-28 03:14:42,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2020-10-28 03:14:43,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1364. [2020-10-28 03:14:43,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1364 states. [2020-10-28 03:14:43,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 1760 transitions. [2020-10-28 03:14:43,331 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 1760 transitions. Word has length 77 [2020-10-28 03:14:43,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:14:43,332 INFO L481 AbstractCegarLoop]: Abstraction has 1364 states and 1760 transitions. [2020-10-28 03:14:43,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 03:14:43,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1760 transitions. [2020-10-28 03:14:43,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-28 03:14:43,335 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:14:43,336 INFO L422 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:14:43,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 03:14:43,336 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:14:43,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:14:43,337 INFO L82 PathProgramCache]: Analyzing trace with hash -937186425, now seen corresponding path program 2 times [2020-10-28 03:14:43,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:14:43,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [461613630] [2020-10-28 03:14:43,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:14:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:43,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:43,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:43,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:48,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:48,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-28 03:14:48,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 03:14:48,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5071 [2020-10-28 03:14:48,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:48,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:14:48,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-28 03:14:48,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:14:48,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:49,448 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2020-10-28 03:14:49,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:14:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:49,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:49,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:49,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:14:49,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:14:49,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-28 03:14:49,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:14:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:14:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:14:49,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:49,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:14:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:49,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:49,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:49,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:14:49,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:14:49,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:14:49,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:49,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:14:49,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:14:49,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:14:49,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:49,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:14:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:49,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:49,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:49,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:14:49,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:14:49,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:14:49,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:49,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:14:49,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:14:49,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:14:49,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:49,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 03:14:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:49,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:49,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:49,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:49,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 03:14:49,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:14:49,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 03:14:49,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:49,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:14:49,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:14:49,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 03:14:49,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:49,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 03:14:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:49,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:49,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:49,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:49,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 03:14:49,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:14:49,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-28 03:14:49,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:49,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:14:49,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:14:49,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 03:14:49,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:49,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 03:14:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:49,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:49,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:49,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 03:14:49,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:14:49,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-28 03:14:49,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:49,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:14:49,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:14:49,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 03:14:49,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:49,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 03:14:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:49,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:49,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:49,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 03:14:49,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:14:49,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 03:14:49,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:49,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:14:49,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 03:14:49,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:14:49,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:49,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:14:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:49,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:49,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:49,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:14:49,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:14:49,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 03:14:49,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:49,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:14:49,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:14:49,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:14:49,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:49,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:14:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:49,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:49,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:49,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:14:49,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:14:49,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:14:49,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:49,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:14:49,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:14:49,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:14:49,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:50,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:14:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:50,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:50,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:50,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:14:50,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:14:50,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:14:50,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:50,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:14:50,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:14:50,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:14:50,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:50,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:14:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:14:50,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:14:50,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:14:50,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:14:50,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:14:50,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:14:50,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:14:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:14:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:14:50,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:14:50,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:14:50,078 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 9 proven. 20 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-28 03:14:50,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [461613630] [2020-10-28 03:14:50,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 03:14:50,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 03:14:50,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981048462] [2020-10-28 03:14:50,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 03:14:50,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:14:50,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 03:14:50,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-28 03:14:50,085 INFO L87 Difference]: Start difference. First operand 1364 states and 1760 transitions. Second operand 12 states. [2020-10-28 03:14:51,133 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 352 [2020-10-28 03:14:52,648 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2020-10-28 03:14:53,557 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2020-10-28 03:14:54,533 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2020-10-28 03:14:55,466 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2020-10-28 03:15:09,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:15:09,083 INFO L93 Difference]: Finished difference Result 3134 states and 4120 transitions. [2020-10-28 03:15:09,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 03:15:09,083 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 80 [2020-10-28 03:15:09,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:15:09,096 INFO L225 Difference]: With dead ends: 3134 [2020-10-28 03:15:09,096 INFO L226 Difference]: Without dead ends: 1778 [2020-10-28 03:15:09,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2020-10-28 03:15:09,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1778 states. [2020-10-28 03:15:09,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1778 to 1366. [2020-10-28 03:15:09,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1366 states. [2020-10-28 03:15:09,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1366 states and 1762 transitions. [2020-10-28 03:15:09,397 INFO L78 Accepts]: Start accepts. Automaton has 1366 states and 1762 transitions. Word has length 80 [2020-10-28 03:15:09,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:15:09,397 INFO L481 AbstractCegarLoop]: Abstraction has 1366 states and 1762 transitions. [2020-10-28 03:15:09,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 03:15:09,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1762 transitions. [2020-10-28 03:15:09,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-28 03:15:09,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:15:09,401 INFO L422 BasicCegarLoop]: trace histogram [9, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:15:09,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 03:15:09,402 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:15:09,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:15:09,402 INFO L82 PathProgramCache]: Analyzing trace with hash 834812079, now seen corresponding path program 3 times [2020-10-28 03:15:09,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:15:09,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [137793016] [2020-10-28 03:15:09,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:15:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:09,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:09,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:09,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:14,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:14,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-28 03:15:14,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 03:15:14,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-28 03:15:14,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:14,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 03:15:14,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 03:15:14,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 03:15:14,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:15,487 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2020-10-28 03:15:15,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:15:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:15,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:15,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:15,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:15:15,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:15,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-28 03:15:15,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:15,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:15:15,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:15,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:15:15,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:15,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:15:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:15,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:15,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:15,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:15:15,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:15,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:15:15,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:15,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:15:15,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:15,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:15:15,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:15,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:15:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:15,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:15,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:15,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:15:15,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:15,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:15:15,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:15,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:15:15,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:15,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:15:15,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:15,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 03:15:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:15,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:15,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:15,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:15,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 03:15:15,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:15:15,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-28 03:15:15,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:15,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 03:15:15,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:15:15,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 03:15:15,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:15,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 03:15:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:15,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:15,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:15,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:15,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 03:15:15,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:15:15,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-28 03:15:15,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:15,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 03:15:15,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:15:15,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 03:15:15,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:15,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 03:15:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:15,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:15,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:15,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 03:15:15,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:15,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-28 03:15:15,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:15,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 03:15:15,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 03:15:15,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 03:15:15,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:15,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 03:15:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:15,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:16,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:16,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 03:15:16,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:16,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 03:15:16,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:16,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:15:16,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 03:15:16,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:15:16,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:16,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:15:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:16,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:16,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:16,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:15:16,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:16,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 03:15:16,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:16,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:15:16,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:16,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:15:16,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:16,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:15:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:16,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:16,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:16,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:15:16,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:16,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:15:16,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:16,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:15:16,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:16,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:15:16,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:16,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:15:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:16,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:16,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:16,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:15:16,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:16,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:15:16,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:16,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:15:16,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:16,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:15:16,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:16,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:15:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:16,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:16,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:16,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:15:16,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:16,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:15:16,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:16,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:15:16,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:16,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:15:16,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:16,142 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-28 03:15:16,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [137793016] [2020-10-28 03:15:16,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 03:15:16,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 03:15:16,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346450078] [2020-10-28 03:15:16,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 03:15:16,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:15:16,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 03:15:16,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-10-28 03:15:16,147 INFO L87 Difference]: Start difference. First operand 1366 states and 1762 transitions. Second operand 13 states. [2020-10-28 03:15:17,056 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2020-10-28 03:15:18,534 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2020-10-28 03:15:19,420 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2020-10-28 03:15:20,314 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2020-10-28 03:15:21,279 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2020-10-28 03:15:22,199 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2020-10-28 03:15:36,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:15:36,953 INFO L93 Difference]: Finished difference Result 3138 states and 4124 transitions. [2020-10-28 03:15:36,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 03:15:36,954 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 83 [2020-10-28 03:15:36,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:15:36,965 INFO L225 Difference]: With dead ends: 3138 [2020-10-28 03:15:36,965 INFO L226 Difference]: Without dead ends: 1780 [2020-10-28 03:15:36,972 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2020-10-28 03:15:36,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1780 states. [2020-10-28 03:15:37,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1780 to 1368. [2020-10-28 03:15:37,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1368 states. [2020-10-28 03:15:37,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1368 states and 1764 transitions. [2020-10-28 03:15:37,289 INFO L78 Accepts]: Start accepts. Automaton has 1368 states and 1764 transitions. Word has length 83 [2020-10-28 03:15:37,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:15:37,290 INFO L481 AbstractCegarLoop]: Abstraction has 1368 states and 1764 transitions. [2020-10-28 03:15:37,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 03:15:37,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1764 transitions. [2020-10-28 03:15:37,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-28 03:15:37,294 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:15:37,294 INFO L422 BasicCegarLoop]: trace histogram [12, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:15:37,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 03:15:37,294 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:15:37,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:15:37,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1148726151, now seen corresponding path program 4 times [2020-10-28 03:15:37,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:15:37,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1655712925] [2020-10-28 03:15:37,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:15:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:37,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:37,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:37,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 03:15:37,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:37,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 423 [2020-10-28 03:15:37,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:37,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:15:37,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:15:37,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-28 03:15:37,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:38,696 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2020-10-28 03:15:38,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:15:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:38,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:38,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:38,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:15:38,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:38,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-28 03:15:38,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:38,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:15:38,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:38,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:15:38,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:38,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:15:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:38,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:38,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:38,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:15:38,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:38,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:15:38,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:38,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:15:38,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:38,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:15:38,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:38,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:15:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:38,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:38,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:38,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:15:38,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:38,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:15:38,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:38,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:15:38,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:38,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 03:15:38,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:38,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 03:15:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:38,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:39,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:39,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:15:39,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:39,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 03:15:39,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:39,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:15:39,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:39,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:15:39,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:39,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 03:15:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:39,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:39,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:39,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:15:39,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:39,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 03:15:39,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:39,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:15:39,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:39,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:15:39,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:39,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 03:15:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:39,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:39,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:39,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:15:39,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:39,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 03:15:39,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:39,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:15:39,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:39,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:15:39,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:39,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 03:15:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:39,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:39,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:39,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 03:15:39,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:39,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 03:15:39,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:39,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:15:39,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:39,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 03:15:39,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:39,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:15:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:39,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:39,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:39,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:15:39,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:39,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:15:39,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:39,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:15:39,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:39,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:15:39,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:39,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:15:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:39,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:39,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:39,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:15:39,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:39,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:15:39,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:39,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:15:39,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:39,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:15:39,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:39,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:15:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:39,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:39,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:39,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:15:39,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:39,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:15:39,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:39,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:15:39,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:39,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:15:39,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:39,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:15:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:39,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:39,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:39,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:15:39,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:39,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:15:39,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:39,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:15:39,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:39,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:15:39,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:39,380 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-10-28 03:15:39,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1655712925] [2020-10-28 03:15:39,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:15:39,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 03:15:39,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771564314] [2020-10-28 03:15:39,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 03:15:39,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:15:39,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 03:15:39,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 03:15:39,383 INFO L87 Difference]: Start difference. First operand 1368 states and 1764 transitions. Second operand 8 states. [2020-10-28 03:15:40,243 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2020-10-28 03:15:41,350 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2020-10-28 03:15:42,324 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2020-10-28 03:15:53,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:15:53,459 INFO L93 Difference]: Finished difference Result 1784 states and 2355 transitions. [2020-10-28 03:15:53,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 03:15:53,459 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 86 [2020-10-28 03:15:53,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:15:53,469 INFO L225 Difference]: With dead ends: 1784 [2020-10-28 03:15:53,469 INFO L226 Difference]: Without dead ends: 1779 [2020-10-28 03:15:53,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-28 03:15:53,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1779 states. [2020-10-28 03:15:53,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1779 to 1367. [2020-10-28 03:15:53,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1367 states. [2020-10-28 03:15:53,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1762 transitions. [2020-10-28 03:15:53,772 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1762 transitions. Word has length 86 [2020-10-28 03:15:53,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:15:53,773 INFO L481 AbstractCegarLoop]: Abstraction has 1367 states and 1762 transitions. [2020-10-28 03:15:53,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 03:15:53,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1762 transitions. [2020-10-28 03:15:53,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-28 03:15:53,776 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:15:53,777 INFO L422 BasicCegarLoop]: trace histogram [12, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:15:53,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 03:15:53,777 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:15:53,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:15:53,777 INFO L82 PathProgramCache]: Analyzing trace with hash 858819788, now seen corresponding path program 1 times [2020-10-28 03:15:53,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:15:53,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1185637573] [2020-10-28 03:15:53,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:15:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:53,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:54,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:54,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-28 03:15:54,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:54,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 386 [2020-10-28 03:15:54,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:54,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:15:54,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:15:54,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-28 03:15:54,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:55,108 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2020-10-28 03:15:55,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:15:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:55,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:55,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:55,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:15:55,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:55,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-28 03:15:55,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:55,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:15:55,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:55,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:15:55,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:55,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:15:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:55,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:55,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:55,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:15:55,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:55,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:15:55,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:55,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:15:55,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:55,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:15:55,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:55,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:15:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:55,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:55,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:55,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:15:55,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:55,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:15:55,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:55,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:15:55,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:55,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 03:15:55,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:55,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 03:15:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:55,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:55,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:55,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:15:55,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:55,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 03:15:55,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:55,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:15:55,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:55,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:15:55,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:55,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 03:15:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:55,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:55,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:55,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:15:55,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:55,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 03:15:55,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:55,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:15:55,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:55,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:15:55,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:55,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 03:15:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:55,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:55,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:55,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:15:55,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:55,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 03:15:55,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:55,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:15:55,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:55,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:15:55,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:55,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 03:15:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:55,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:55,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:55,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 03:15:55,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:55,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 03:15:55,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:55,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:15:55,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:55,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 03:15:55,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:55,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:15:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:55,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:55,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:55,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:15:55,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:55,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:15:55,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:55,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:15:55,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:55,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:15:55,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:55,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:15:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:55,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:55,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:55,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:15:55,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:55,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:15:55,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:55,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:15:55,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:55,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:15:55,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:55,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:15:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:55,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:55,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:55,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:15:55,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:55,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:15:55,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:55,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:15:55,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:55,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:15:55,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:55,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:15:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:15:55,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:15:55,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:15:55,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:15:55,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:15:55,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:15:55,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:15:55,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:15:55,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:15:55,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:15:55,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:15:55,665 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-10-28 03:15:55,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1185637573] [2020-10-28 03:15:55,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:15:55,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 03:15:55,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32276258] [2020-10-28 03:15:55,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 03:15:55,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:15:55,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 03:15:55,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 03:15:55,667 INFO L87 Difference]: Start difference. First operand 1367 states and 1762 transitions. Second operand 8 states. [2020-10-28 03:15:56,561 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2020-10-28 03:15:57,750 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2020-10-28 03:15:58,706 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2020-10-28 03:16:09,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:16:09,727 INFO L93 Difference]: Finished difference Result 1783 states and 2353 transitions. [2020-10-28 03:16:09,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 03:16:09,729 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 87 [2020-10-28 03:16:09,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:16:09,739 INFO L225 Difference]: With dead ends: 1783 [2020-10-28 03:16:09,739 INFO L226 Difference]: Without dead ends: 1778 [2020-10-28 03:16:09,740 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-28 03:16:09,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1778 states. [2020-10-28 03:16:10,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1778 to 1366. [2020-10-28 03:16:10,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1366 states. [2020-10-28 03:16:10,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1366 states and 1760 transitions. [2020-10-28 03:16:10,010 INFO L78 Accepts]: Start accepts. Automaton has 1366 states and 1760 transitions. Word has length 87 [2020-10-28 03:16:10,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:16:10,010 INFO L481 AbstractCegarLoop]: Abstraction has 1366 states and 1760 transitions. [2020-10-28 03:16:10,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 03:16:10,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1760 transitions. [2020-10-28 03:16:10,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-28 03:16:10,014 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:16:10,014 INFO L422 BasicCegarLoop]: trace histogram [12, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:16:10,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 03:16:10,014 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:16:10,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:16:10,015 INFO L82 PathProgramCache]: Analyzing trace with hash 466334314, now seen corresponding path program 1 times [2020-10-28 03:16:10,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:16:10,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1083837332] [2020-10-28 03:16:10,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:16:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:10,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:10,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:10,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 03:16:10,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:10,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 411 [2020-10-28 03:16:10,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:10,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:10,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:16:10,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-28 03:16:10,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:11,438 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2020-10-28 03:16:11,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:16:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:11,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:11,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:11,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:16:11,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:11,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-28 03:16:11,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:11,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:11,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:11,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:16:11,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:11,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:16:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:11,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:11,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:11,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:16:11,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:11,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:16:11,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:11,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:11,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:11,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:16:11,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:11,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:16:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:11,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:11,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:11,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:16:11,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:11,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:16:11,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:11,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:11,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:11,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 03:16:11,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:11,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 03:16:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:11,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:11,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:11,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:16:11,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:11,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 03:16:11,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:11,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:11,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:11,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:16:11,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:11,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 03:16:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:11,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:11,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:11,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:16:11,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:11,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 03:16:11,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:11,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:11,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:11,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:16:11,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:11,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 03:16:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:11,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:11,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:11,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:16:11,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:11,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 03:16:11,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:11,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:11,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:11,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:16:11,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:11,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 03:16:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:11,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:11,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:11,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 03:16:11,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:11,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 03:16:11,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:11,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:11,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:11,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 03:16:11,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:11,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:16:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:11,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:11,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:11,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:16:11,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:11,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:16:11,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:11,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:11,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:11,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:11,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:11,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:16:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:11,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:11,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:11,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:16:11,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:11,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:16:11,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:11,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:11,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:11,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:11,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:11,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:16:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:11,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:11,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:11,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:16:11,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:11,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:16:11,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:11,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:11,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:11,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:11,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:11,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:16:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:11,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:11,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:11,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:16:11,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:11,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:16:11,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:11,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:11,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:11,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:11,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:11,993 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-10-28 03:16:11,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1083837332] [2020-10-28 03:16:11,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:16:11,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 03:16:11,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077781964] [2020-10-28 03:16:11,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 03:16:11,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:16:11,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 03:16:11,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 03:16:11,995 INFO L87 Difference]: Start difference. First operand 1366 states and 1760 transitions. Second operand 8 states. [2020-10-28 03:16:12,876 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2020-10-28 03:16:14,007 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification that was a NOOP. DAG size: 354 [2020-10-28 03:16:14,968 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2020-10-28 03:16:26,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:16:26,073 INFO L93 Difference]: Finished difference Result 1782 states and 2351 transitions. [2020-10-28 03:16:26,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 03:16:26,074 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2020-10-28 03:16:26,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:16:26,083 INFO L225 Difference]: With dead ends: 1782 [2020-10-28 03:16:26,083 INFO L226 Difference]: Without dead ends: 1777 [2020-10-28 03:16:26,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-28 03:16:26,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1777 states. [2020-10-28 03:16:26,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1777 to 1365. [2020-10-28 03:16:26,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1365 states. [2020-10-28 03:16:26,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1365 states and 1758 transitions. [2020-10-28 03:16:26,507 INFO L78 Accepts]: Start accepts. Automaton has 1365 states and 1758 transitions. Word has length 88 [2020-10-28 03:16:26,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:16:26,508 INFO L481 AbstractCegarLoop]: Abstraction has 1365 states and 1758 transitions. [2020-10-28 03:16:26,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 03:16:26,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1758 transitions. [2020-10-28 03:16:26,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-28 03:16:26,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:16:26,512 INFO L422 BasicCegarLoop]: trace histogram [12, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:16:26,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 03:16:26,512 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:16:26,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:16:26,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1188863695, now seen corresponding path program 1 times [2020-10-28 03:16:26,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:16:26,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [638263231] [2020-10-28 03:16:26,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:16:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:26,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:27,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:27,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-28 03:16:27,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:27,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 788 [2020-10-28 03:16:27,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:27,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:16:27,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:16:27,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-28 03:16:27,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:28,416 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2020-10-28 03:16:28,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:16:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:28,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:28,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:28,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:16:28,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:28,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-28 03:16:28,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:28,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:28,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:28,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:16:28,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:28,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:16:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:28,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:28,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:28,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:16:28,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:28,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:16:28,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:28,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:28,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:28,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:16:28,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:28,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:16:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:28,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:28,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:28,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:16:28,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:28,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:16:28,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:28,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:28,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:28,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 03:16:28,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:28,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 03:16:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:28,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:28,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:28,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:16:28,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:28,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 03:16:28,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:28,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:28,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:28,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:16:28,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:28,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 03:16:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:28,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:28,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:28,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:16:28,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:28,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 03:16:28,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:28,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:28,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:28,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:16:28,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:28,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 03:16:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:28,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:28,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:28,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:16:28,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:28,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 03:16:28,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:28,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:28,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:28,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:16:28,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:28,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 03:16:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:28,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:28,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:28,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 03:16:28,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:28,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 03:16:28,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:28,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:28,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:28,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 03:16:28,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:28,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:16:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:28,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:29,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:29,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:16:29,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:29,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 03:16:29,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:29,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:29,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:29,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:29,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:29,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:16:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:29,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:29,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:29,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:16:29,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:29,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:16:29,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:29,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:29,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:29,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:29,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:29,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:16:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:29,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:29,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:29,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:16:29,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:29,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:16:29,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:29,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:29,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:29,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:29,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:29,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:16:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:29,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:29,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:29,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:16:29,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:29,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:16:29,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:29,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:29,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:29,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:29,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:29,108 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-10-28 03:16:29,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [638263231] [2020-10-28 03:16:29,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:16:29,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 03:16:29,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911439685] [2020-10-28 03:16:29,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 03:16:29,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:16:29,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 03:16:29,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 03:16:29,112 INFO L87 Difference]: Start difference. First operand 1365 states and 1758 transitions. Second operand 8 states. [2020-10-28 03:16:30,001 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2020-10-28 03:16:31,130 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 354 [2020-10-28 03:16:32,113 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2020-10-28 03:16:54,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:16:54,352 INFO L93 Difference]: Finished difference Result 4855 states and 6399 transitions. [2020-10-28 03:16:54,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 03:16:54,353 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2020-10-28 03:16:54,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:16:54,379 INFO L225 Difference]: With dead ends: 4855 [2020-10-28 03:16:54,380 INFO L226 Difference]: Without dead ends: 3507 [2020-10-28 03:16:54,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2020-10-28 03:16:54,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3507 states. [2020-10-28 03:16:54,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3507 to 2701. [2020-10-28 03:16:54,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2701 states. [2020-10-28 03:16:54,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 2701 states and 3493 transitions. [2020-10-28 03:16:54,960 INFO L78 Accepts]: Start accepts. Automaton has 2701 states and 3493 transitions. Word has length 89 [2020-10-28 03:16:54,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:16:54,960 INFO L481 AbstractCegarLoop]: Abstraction has 2701 states and 3493 transitions. [2020-10-28 03:16:54,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 03:16:54,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 3493 transitions. [2020-10-28 03:16:54,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-28 03:16:54,964 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:16:54,965 INFO L422 BasicCegarLoop]: trace histogram [12, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:16:54,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 03:16:54,965 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:16:54,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:16:54,965 INFO L82 PathProgramCache]: Analyzing trace with hash 2117115213, now seen corresponding path program 1 times [2020-10-28 03:16:54,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:16:54,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [913965677] [2020-10-28 03:16:54,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:16:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:55,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:55,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:55,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-28 03:16:55,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:55,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 371 [2020-10-28 03:16:55,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:55,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:55,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:16:55,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-28 03:16:55,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:56,324 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2020-10-28 03:16:56,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:16:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:56,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:56,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:56,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:16:56,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:56,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-28 03:16:56,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:56,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:56,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:56,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:16:56,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:56,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:16:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:56,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:56,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:56,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:16:56,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:56,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:16:56,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:56,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:56,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:56,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:16:56,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:56,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 03:16:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:56,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:56,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:56,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:16:56,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:56,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:16:56,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:56,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:56,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:56,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 03:16:56,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:56,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 03:16:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:56,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:56,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:56,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:16:56,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:56,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 03:16:56,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:56,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:56,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:56,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:16:56,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:56,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 03:16:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:56,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:56,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:56,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:16:56,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:56,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 03:16:56,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:56,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:56,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:56,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:16:56,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:56,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 03:16:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:56,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:56,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:56,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:16:56,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:56,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 03:16:56,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:56,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:56,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:56,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:16:56,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:56,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 03:16:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:56,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:56,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:56,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 03:16:56,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:56,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 03:16:56,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:56,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:16:56,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:56,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 03:16:56,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:56,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:16:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:56,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:56,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:56,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:16:56,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:56,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:16:56,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:56,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:56,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:56,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:56,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:56,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:16:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:56,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:56,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:56,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:16:56,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:56,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:16:56,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:56,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:56,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:16:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:56,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:56,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:56,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:16:56,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:56,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:16:56,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:56,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:56,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:56,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:56,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:56,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:16:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:16:56,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:16:56,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:16:56,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:16:56,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:16:56,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:16:56,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:16:56,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:16:56,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:16:56,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:16:56,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:16:56,882 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-10-28 03:16:56,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [913965677] [2020-10-28 03:16:56,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:16:56,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 03:16:56,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306535312] [2020-10-28 03:16:56,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 03:16:56,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:16:56,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 03:16:56,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 03:16:56,885 INFO L87 Difference]: Start difference. First operand 2701 states and 3493 transitions. Second operand 8 states. [2020-10-28 03:16:57,877 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2020-10-28 03:16:58,954 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 354 [2020-10-28 03:16:59,913 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2020-10-28 03:17:11,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:17:11,220 INFO L93 Difference]: Finished difference Result 3502 states and 4642 transitions. [2020-10-28 03:17:11,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 03:17:11,221 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2020-10-28 03:17:11,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:17:11,240 INFO L225 Difference]: With dead ends: 3502 [2020-10-28 03:17:11,240 INFO L226 Difference]: Without dead ends: 3478 [2020-10-28 03:17:11,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-28 03:17:11,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3478 states. [2020-10-28 03:17:11,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3478 to 2681. [2020-10-28 03:17:11,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2681 states. [2020-10-28 03:17:11,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2681 states to 2681 states and 3469 transitions. [2020-10-28 03:17:11,811 INFO L78 Accepts]: Start accepts. Automaton has 2681 states and 3469 transitions. Word has length 90 [2020-10-28 03:17:11,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:17:11,811 INFO L481 AbstractCegarLoop]: Abstraction has 2681 states and 3469 transitions. [2020-10-28 03:17:11,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 03:17:11,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2681 states and 3469 transitions. [2020-10-28 03:17:11,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-28 03:17:11,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:17:11,816 INFO L422 BasicCegarLoop]: trace histogram [12, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 03:17:11,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 03:17:11,816 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:17:11,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:17:11,816 INFO L82 PathProgramCache]: Analyzing trace with hash -2046907444, now seen corresponding path program 1 times [2020-10-28 03:17:11,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:17:11,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199119988] [2020-10-28 03:17:11,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:17:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:17:11,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:17:12,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking...