/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:39:39,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:39:39,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:39:39,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:39:39,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:39:39,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:39:39,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:39:39,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:39:39,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:39:39,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:39:39,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:39:39,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:39:39,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:39:39,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:39:39,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:39:39,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:39:39,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:39:39,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:39:39,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:39:39,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:39:39,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:39:39,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:39:39,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:39:39,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:39:39,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:39:39,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:39:39,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:39:39,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:39:39,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:39:39,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:39:39,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:39:39,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:39:39,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:39:39,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:39:39,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:39:39,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:39:39,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:39:39,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:39:39,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:39:39,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:39:39,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:39:39,286 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-25 09:39:39,326 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:39:39,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:39:39,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:39:39,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:39:39,329 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:39:39,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:39:39,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:39:39,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:39:39,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:39:39,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:39:39,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:39:39,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:39:39,332 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:39:39,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:39:39,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:39:39,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:39:39,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:39:39,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:39:39,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:39:39,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:39:39,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:39:39,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:39:39,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:39:39,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:39:39,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:39:39,335 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:39:39,335 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 09:39:39,336 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 09:39:39,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:39:39,821 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:39:39,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:39:39,828 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:39:39,828 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:39:39,830 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-09-25 09:39:39,926 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/79dacc598/1ab60e5e181e4baf9a62eca1dd245403/FLAG74bd6b996 [2020-09-25 09:39:40,869 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:39:40,870 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-09-25 09:39:40,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/79dacc598/1ab60e5e181e4baf9a62eca1dd245403/FLAG74bd6b996 [2020-09-25 09:39:41,312 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/79dacc598/1ab60e5e181e4baf9a62eca1dd245403 [2020-09-25 09:39:41,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:39:41,331 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:39:41,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:39:41,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:39:41,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:39:41,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:39:41" (1/1) ... [2020-09-25 09:39:41,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e8d2598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:41, skipping insertion in model container [2020-09-25 09:39:41,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:39:41" (1/1) ... [2020-09-25 09:39:41,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:39:41,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:39:42,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:39:42,817 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:39:43,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:39:43,107 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:39:43,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:43 WrapperNode [2020-09-25 09:39:43,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:39:43,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:39:43,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:39:43,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:39:43,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:43" (1/1) ... [2020-09-25 09:39:43,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:43" (1/1) ... [2020-09-25 09:39:43,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:43" (1/1) ... [2020-09-25 09:39:43,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:43" (1/1) ... [2020-09-25 09:39:43,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:43" (1/1) ... [2020-09-25 09:39:43,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:43" (1/1) ... [2020-09-25 09:39:43,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:43" (1/1) ... [2020-09-25 09:39:43,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:39:43,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:39:43,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:39:43,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:39:43,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:43" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:39:43,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:39:43,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:39:43,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-09-25 09:39:43,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-25 09:39:43,465 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-09-25 09:39:43,465 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-09-25 09:39:43,466 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-09-25 09:39:43,467 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-09-25 09:39:43,467 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2020-09-25 09:39:43,468 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_share_check [2020-09-25 09:39:43,469 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-09-25 09:39:43,469 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-09-25 09:39:43,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2020-09-25 09:39:43,470 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow [2020-09-25 09:39:43,470 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 09:39:43,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2020-09-25 09:39:43,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 09:39:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 09:39:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 09:39:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 09:39:43,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 09:39:43,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 09:39:43,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 09:39:43,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 09:39:43,476 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-25 09:39:43,476 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-09-25 09:39:43,476 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_off [2020-09-25 09:39:43,477 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2020-09-25 09:39:43,478 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2020-09-25 09:39:43,478 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connect_disconnect [2020-09-25 09:39:43,478 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connected [2020-09-25 09:39:43,479 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_disconnected [2020-09-25 09:39:43,479 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_indication [2020-09-25 09:39:43,479 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_transmit [2020-09-25 09:39:43,480 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_xmit [2020-09-25 09:39:43,480 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_open [2020-09-25 09:39:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_close [2020-09-25 09:39:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_rx [2020-09-25 09:39:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_ioctl [2020-09-25 09:39:43,483 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_init [2020-09-25 09:39:43,483 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_exit [2020-09-25 09:39:43,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hdlc_proto_1 [2020-09-25 09:39:43,483 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:39:43,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-25 09:39:43,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-25 09:39:43,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-25 09:39:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-25 09:39:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-25 09:39:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2020-09-25 09:39:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-09-25 09:39:43,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2020-09-25 09:39:43,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-25 09:39:43,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 09:39:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-25 09:39:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-25 09:39:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-25 09:39:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 09:39:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 09:39:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 09:39:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 09:39:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-25 09:39:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 09:39:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-25 09:39:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-25 09:39:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-25 09:39:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-25 09:39:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-25 09:39:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 09:39:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-09-25 09:39:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-09-25 09:39:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_hdlc_protocol [2020-09-25 09:39:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-09-25 09:39:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_connect_request [2020-09-25 09:39:43,495 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_received [2020-09-25 09:39:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_request [2020-09-25 09:39:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_disconnect_request [2020-09-25 09:39:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_register [2020-09-25 09:39:43,496 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_unregister [2020-09-25 09:39:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2020-09-25 09:39:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-09-25 09:39:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-09-25 09:39:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure register_hdlc_protocol [2020-09-25 09:39:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-09-25 09:39:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-09-25 09:39:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-09-25 09:39:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-25 09:39:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_protocol [2020-09-25 09:39:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 09:39:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 09:39:43,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:39:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 09:39:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-09-25 09:39:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-09-25 09:39:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-09-25 09:39:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:39:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-09-25 09:39:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-25 09:39:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-25 09:39:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-25 09:39:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-25 09:39:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-25 09:39:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-09-25 09:39:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-09-25 09:39:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-09-25 09:39:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:39:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-09-25 09:39:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2020-09-25 09:39:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure skb_share_check [2020-09-25 09:39:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:39:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-25 09:39:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-09-25 09:39:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-09-25 09:39:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-09-25 09:39:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-09-25 09:39:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:39:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2020-09-25 09:39:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2020-09-25 09:39:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow [2020-09-25 09:39:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-25 09:39:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-25 09:39:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-25 09:39:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:39:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 09:39:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:39:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 09:39:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 09:39:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 09:39:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2020-09-25 09:39:43,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:39:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 09:39:43,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 09:39:43,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 09:39:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 09:39:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 09:39:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 09:39:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 09:39:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 09:39:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hdlc_proto_1 [2020-09-25 09:39:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-25 09:39:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-09-25 09:39:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-09-25 09:39:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-09-25 09:39:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2020-09-25 09:39:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2020-09-25 09:39:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_off [2020-09-25 09:39:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-09-25 09:39:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure register_hdlc_protocol [2020-09-25 09:39:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_protocol [2020-09-25 09:39:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2020-09-25 09:39:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure attach_hdlc_protocol [2020-09-25 09:39:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_register [2020-09-25 09:39:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_unregister [2020-09-25 09:39:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_connect_request [2020-09-25 09:39:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_disconnect_request [2020-09-25 09:39:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_request [2020-09-25 09:39:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_received [2020-09-25 09:39:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2020-09-25 09:39:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:39:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure x25_ioctl [2020-09-25 09:39:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connect_disconnect [2020-09-25 09:39:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connected [2020-09-25 09:39:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure x25_disconnected [2020-09-25 09:39:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_indication [2020-09-25 09:39:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_transmit [2020-09-25 09:39:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-09-25 09:39:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure x25_xmit [2020-09-25 09:39:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure x25_open [2020-09-25 09:39:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:39:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure x25_close [2020-09-25 09:39:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure x25_rx [2020-09-25 09:39:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-25 09:39:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure mod_init [2020-09-25 09:39:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure mod_exit [2020-09-25 09:39:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 09:39:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 09:39:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:39:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-25 09:39:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 09:39:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-25 09:39:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-25 09:39:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-25 09:39:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 09:39:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 09:39:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 09:39:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 09:39:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-25 09:39:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-25 09:39:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-25 09:39:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 09:39:43,544 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:39:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 09:39:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:39:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 09:39:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:39:44,340 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 09:39:45,482 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:39:45,482 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 09:39:45,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:39:45 BoogieIcfgContainer [2020-09-25 09:39:45,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:39:45,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:39:45,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:39:45,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:39:45,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:39:41" (1/3) ... [2020-09-25 09:39:45,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9e6864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:39:45, skipping insertion in model container [2020-09-25 09:39:45,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:43" (2/3) ... [2020-09-25 09:39:45,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9e6864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:39:45, skipping insertion in model container [2020-09-25 09:39:45,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:39:45" (3/3) ... [2020-09-25 09:39:45,505 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-09-25 09:39:45,518 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:39:45,530 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:39:45,553 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:39:45,596 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:39:45,596 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:39:45,596 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:39:45,597 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:39:45,597 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:39:45,597 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:39:45,597 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:39:45,597 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:39:45,638 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states. [2020-09-25 09:39:45,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-09-25 09:39:45,655 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:39:45,656 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:39:45,657 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:39:45,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:39:45,666 INFO L82 PathProgramCache]: Analyzing trace with hash 2033327711, now seen corresponding path program 1 times [2020-09-25 09:39:45,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:39:45,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585062665] [2020-09-25 09:39:45,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:39:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:46,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:46,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:47,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:47,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-25 09:39:47,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:39:47,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1240 [2020-09-25 09:39:47,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:47,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:47,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:39:47,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-25 09:39:47,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:39:47,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 09:39:47,703 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-09-25 09:39:47,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:39:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:47,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:47,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:47,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 09:39:47,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:47,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-25 09:39:47,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:47,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:47,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:47,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:47,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:47,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:47,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 09:39:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:47,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:47,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:47,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 09:39:47,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:47,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 09:39:47,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:47,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:47,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:47,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:47,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:47,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:47,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:39:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:47,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:47,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:47,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:39:47,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:47,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 09:39:47,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:47,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:47,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:47,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:47,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:47,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:47,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 09:39:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:47,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:47,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:47,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:39:47,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:47,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 09:39:47,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:47,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:47,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:47,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:47,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:47,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:48,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 09:39:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:48,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:48,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:48,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 09:39:48,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:48,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 09:39:48,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:48,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:48,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:48,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:48,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:48,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:48,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:39:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:48,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:48,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:48,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:39:48,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:48,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 09:39:48,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:48,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:48,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:48,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:48,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:48,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:48,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-25 09:39:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:48,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:48,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:48,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:39:48,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:48,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 09:39:48,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:48,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:48,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:48,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 09:39:48,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:48,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:48,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:39:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:48,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:48,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:48,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:39:48,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:48,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 09:39:48,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:48,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:48,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:48,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:48,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:48,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:48,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 09:39:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:48,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:48,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:48,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:39:48,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:48,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 09:39:48,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:48,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:48,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:48,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 09:39:48,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:48,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:48,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:39:48,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585062665] [2020-09-25 09:39:48,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:39:48,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 09:39:48,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572028121] [2020-09-25 09:39:48,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 09:39:48,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:39:48,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 09:39:48,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 09:39:48,283 INFO L87 Difference]: Start difference. First operand 890 states. Second operand 7 states. [2020-09-25 09:39:48,744 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-09-25 09:39:48,905 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-09-25 09:39:55,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:39:55,525 INFO L93 Difference]: Finished difference Result 2373 states and 2824 transitions. [2020-09-25 09:39:55,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 09:39:55,528 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 106 [2020-09-25 09:39:55,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:39:55,560 INFO L225 Difference]: With dead ends: 2373 [2020-09-25 09:39:55,560 INFO L226 Difference]: Without dead ends: 1687 [2020-09-25 09:39:55,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-09-25 09:39:55,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2020-09-25 09:39:55,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1286. [2020-09-25 09:39:55,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1286 states. [2020-09-25 09:39:55,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1428 transitions. [2020-09-25 09:39:55,800 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 1428 transitions. Word has length 106 [2020-09-25 09:39:55,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:39:55,802 INFO L479 AbstractCegarLoop]: Abstraction has 1286 states and 1428 transitions. [2020-09-25 09:39:55,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 09:39:55,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1428 transitions. [2020-09-25 09:39:55,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-09-25 09:39:55,807 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:39:55,807 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:39:55,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:39:55,808 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:39:55,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:39:55,809 INFO L82 PathProgramCache]: Analyzing trace with hash 594820322, now seen corresponding path program 1 times [2020-09-25 09:39:55,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:39:55,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [801488591] [2020-09-25 09:39:55,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:39:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:55,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:56,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:56,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:58,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:58,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-09-25 09:39:58,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:39:58,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2169 [2020-09-25 09:39:58,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:58,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:58,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:39:58,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 09:39:58,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-25 09:39:58,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:58,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:39:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:58,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:58,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:58,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 09:39:58,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:58,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-25 09:39:58,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:58,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:58,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:58,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:58,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:58,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 09:39:58,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 09:39:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:58,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:58,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:58,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 09:39:58,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:58,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-25 09:39:58,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:58,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:58,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:58,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:58,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:58,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:58,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:39:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:58,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:58,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:58,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:39:58,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:58,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 09:39:58,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:58,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:58,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:58,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:58,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:58,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:58,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 09:39:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:58,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:58,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:58,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:39:58,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:58,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 09:39:58,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:58,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:58,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:58,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:58,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:58,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:58,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 09:39:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:58,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:58,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:58,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 09:39:58,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:58,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-25 09:39:58,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:58,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:39:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:39:58,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:58,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:39:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:58,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:58,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:58,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:39:58,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:58,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 09:39:58,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:58,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:58,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:39:58,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:58,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:39:58,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:58,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:39:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:58,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:58,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:58,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 09:39:58,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:58,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 09:39:58,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:58,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:58,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:39:58,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:58,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 09:39:58,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:58,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:39:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:58,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:58,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:58,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:39:58,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:58,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 09:39:58,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:58,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:58,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:58,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:58,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:58,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:58,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-25 09:39:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:58,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:58,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:58,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:39:58,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:58,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-25 09:39:58,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:58,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:58,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:39:58,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:58,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:39:58,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:59,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:39:59,019 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [801488591] [2020-09-25 09:39:59,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:39:59,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 09:39:59,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016212839] [2020-09-25 09:39:59,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 09:39:59,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:39:59,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 09:39:59,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:39:59,023 INFO L87 Difference]: Start difference. First operand 1286 states and 1428 transitions. Second operand 10 states. [2020-09-25 09:39:59,145 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-09-25 09:39:59,557 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-09-25 09:39:59,786 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-09-25 09:40:00,983 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2020-09-25 09:40:01,212 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-25 09:40:01,435 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-09-25 09:40:01,597 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-25 09:40:04,130 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-09-25 09:40:09,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:40:09,484 INFO L93 Difference]: Finished difference Result 4267 states and 4966 transitions. [2020-09-25 09:40:09,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-25 09:40:09,485 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 114 [2020-09-25 09:40:09,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:40:09,503 INFO L225 Difference]: With dead ends: 4267 [2020-09-25 09:40:09,504 INFO L226 Difference]: Without dead ends: 3017 [2020-09-25 09:40:09,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=151, Invalid=355, Unknown=0, NotChecked=0, Total=506 [2020-09-25 09:40:09,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2020-09-25 09:40:09,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 2625. [2020-09-25 09:40:09,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2625 states. [2020-09-25 09:40:09,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2625 states and 2982 transitions. [2020-09-25 09:40:09,705 INFO L78 Accepts]: Start accepts. Automaton has 2625 states and 2982 transitions. Word has length 114 [2020-09-25 09:40:09,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:40:09,706 INFO L479 AbstractCegarLoop]: Abstraction has 2625 states and 2982 transitions. [2020-09-25 09:40:09,706 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 09:40:09,706 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 2982 transitions. [2020-09-25 09:40:09,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 09:40:09,713 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:40:09,713 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:40:09,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:40:09,714 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:40:09,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:40:09,714 INFO L82 PathProgramCache]: Analyzing trace with hash -926680723, now seen corresponding path program 1 times [2020-09-25 09:40:09,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:40:09,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1382647066] [2020-09-25 09:40:09,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:40:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:09,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:09,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:09,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:10,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:13,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:14,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:14,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 09:40:14,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 09:40:14,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-09-25 09:40:14,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:14,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:14,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:40:14,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-09-25 09:40:14,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 09:40:14,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:15,045 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-09-25 09:40:15,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:40:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:15,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:15,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 09:40:15,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:15,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-25 09:40:15,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:15,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:15,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:15,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:15,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:15,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:15,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 09:40:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:15,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:15,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 09:40:15,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:15,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 09:40:15,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:15,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:15,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:15,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:15,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:15,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 09:40:15,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:40:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:15,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:15,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:40:15,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:15,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 09:40:15,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:15,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:15,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:15,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:15,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:15,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:15,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 09:40:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:15,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:15,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:40:15,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:15,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 09:40:15,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:15,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:15,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:15,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:15,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:15,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:15,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 09:40:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:15,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:15,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 09:40:15,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:15,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 09:40:15,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:15,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:15,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:15,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:15,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:15,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:40:15,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:40:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:15,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:15,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:40:15,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:15,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 09:40:15,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:15,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:15,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:15,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:15,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:15,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:40:15,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:40:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:15,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:15,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 09:40:15,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:40:15,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-09-25 09:40:15,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:15,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:15,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:40:15,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-25 09:40:15,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:40:15,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:15,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:40:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:15,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:15,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:40:15,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:15,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 09:40:15,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:15,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:15,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:15,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:15,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:15,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:15,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 09:40:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:15,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:15,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:40:15,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:15,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 09:40:15,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:15,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:15,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:15,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:15,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:15,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:15,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 09:40:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:15,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:15,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:40:15,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:15,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 09:40:15,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:15,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:15,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:40:15,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 09:40:15,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:40:15,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:15,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:40:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:15,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:15,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:40:15,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:15,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 09:40:15,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:15,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:15,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:40:15,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 09:40:15,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:40:15,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:15,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 09:40:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:15,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:15,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 09:40:15,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:15,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 09:40:15,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:15,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:15,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:15,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 09:40:15,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:15,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:15,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:40:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:15,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:15,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:40:15,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:15,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 09:40:15,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:15,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:15,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:15,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:15,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:15,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:16,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-09-25 09:40:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:16,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:16,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:16,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:40:16,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:16,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 09:40:16,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:16,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:16,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:16,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 09:40:16,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:16,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:16,097 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-25 09:40:16,099 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1382647066] [2020-09-25 09:40:16,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:40:16,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 09:40:16,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232602948] [2020-09-25 09:40:16,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 09:40:16,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:40:16,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 09:40:16,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:40:16,104 INFO L87 Difference]: Start difference. First operand 2625 states and 2982 transitions. Second operand 10 states. [2020-09-25 09:40:16,222 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-09-25 09:40:16,595 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-09-25 09:40:16,753 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-09-25 09:40:19,150 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-25 09:40:22,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:40:22,041 INFO L93 Difference]: Finished difference Result 5820 states and 6889 transitions. [2020-09-25 09:40:22,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 09:40:22,042 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-25 09:40:22,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:40:22,060 INFO L225 Difference]: With dead ends: 5820 [2020-09-25 09:40:22,060 INFO L226 Difference]: Without dead ends: 3251 [2020-09-25 09:40:22,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2020-09-25 09:40:22,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3251 states. [2020-09-25 09:40:22,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3251 to 2814. [2020-09-25 09:40:22,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2814 states. [2020-09-25 09:40:22,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2814 states and 3210 transitions. [2020-09-25 09:40:22,236 INFO L78 Accepts]: Start accepts. Automaton has 2814 states and 3210 transitions. Word has length 179 [2020-09-25 09:40:22,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:40:22,237 INFO L479 AbstractCegarLoop]: Abstraction has 2814 states and 3210 transitions. [2020-09-25 09:40:22,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 09:40:22,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 3210 transitions. [2020-09-25 09:40:22,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-09-25 09:40:22,247 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:40:22,248 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:40:22,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:40:22,248 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:40:22,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:40:22,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1921012257, now seen corresponding path program 1 times [2020-09-25 09:40:22,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:40:22,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [184232101] [2020-09-25 09:40:22,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:40:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:22,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:22,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:23,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:24,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:27,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:27,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-09-25 09:40:27,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 09:40:27,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-25 09:40:27,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:27,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:27,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:40:27,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-09-25 09:40:27,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-25 09:40:27,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:27,582 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-09-25 09:40:27,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:40:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:27,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:27,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:27,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 09:40:27,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:27,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 09:40:27,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:27,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:27,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:27,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:27,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:27,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:40:27,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 09:40:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:27,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:27,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:27,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 09:40:27,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:27,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 09:40:27,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:27,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:27,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:27,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:27,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:27,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:27,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:40:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:27,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:27,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:27,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:40:27,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:27,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 09:40:27,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:27,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:27,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:27,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:27,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:27,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:27,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 09:40:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:27,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:27,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:27,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:40:27,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:27,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 09:40:27,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:27,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:27,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:27,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:27,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:27,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:27,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 09:40:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:27,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:27,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:27,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 09:40:27,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:27,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 09:40:27,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:27,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:27,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:27,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:27,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:27,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:40:27,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:40:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:27,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:27,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:27,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:40:27,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:27,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 09:40:27,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:27,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:27,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:27,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:27,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:27,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:27,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:40:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:27,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:27,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:27,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 09:40:27,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:27,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 09:40:27,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:27,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:27,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:27,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:27,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:27,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:27,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:40:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:27,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:27,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:27,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:40:27,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:27,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 09:40:27,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:27,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:27,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:27,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:27,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:27,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:27,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 09:40:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:28,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:28,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:28,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 09:40:28,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:28,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-25 09:40:28,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:28,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:28,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:40:28,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:28,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-25 09:40:28,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:40:28,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:40:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:28,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:28,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:28,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 09:40:28,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:28,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 09:40:28,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:28,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:28,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:28,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:28,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:28,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:28,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:40:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:28,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:28,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:28,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:40:28,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:28,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 09:40:28,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:28,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:28,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:28,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:28,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:28,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:28,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 09:40:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:28,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:28,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:28,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:40:28,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:28,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 09:40:28,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:28,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:28,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:28,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:28,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:28,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:28,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 09:40:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:28,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:28,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:28,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 09:40:28,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:28,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 09:40:28,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:28,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:28,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:28,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:28,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:28,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:28,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:40:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:28,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:28,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:28,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:40:28,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:28,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 09:40:28,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:28,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:28,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:28,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:28,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:28,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:28,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 09:40:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:28,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:28,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:28,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:40:28,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:28,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 09:40:28,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:28,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:28,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:28,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:28,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:28,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:28,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 09:40:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:28,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:28,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:28,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-25 09:40:28,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:28,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-25 09:40:28,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:28,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:28,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:28,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-09-25 09:40:28,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:28,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:28,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:40:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:28,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:28,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:28,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:40:28,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:28,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 09:40:28,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:28,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:28,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:28,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:28,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:28,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:28,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 09:40:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:28,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:28,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:28,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:40:28,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:28,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 09:40:28,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:28,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:28,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:28,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:28,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:28,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:28,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 09:40:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:28,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:28,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:28,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-25 09:40:28,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:28,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 09:40:28,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:28,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:28,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:28,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:28,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:28,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:28,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:40:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:28,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:28,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:28,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 09:40:28,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:28,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 09:40:28,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:28,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:28,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:28,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:28,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:28,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:28,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-25 09:40:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:28,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:28,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:28,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:40:28,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:28,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 09:40:28,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:28,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:28,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:28,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 09:40:28,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:28,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:40:28,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:40:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:28,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:28,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:28,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:40:28,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:28,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 09:40:28,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:28,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:28,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:28,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:28,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:28,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:28,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-09-25 09:40:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:28,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:28,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:28,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:40:28,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:28,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 09:40:28,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:28,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:28,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:28,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 09:40:28,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:28,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:28,795 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-09-25 09:40:28,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [184232101] [2020-09-25 09:40:28,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:40:28,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 09:40:28,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583350719] [2020-09-25 09:40:28,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 09:40:28,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:40:28,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 09:40:28,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:40:28,799 INFO L87 Difference]: Start difference. First operand 2814 states and 3210 transitions. Second operand 10 states. [2020-09-25 09:40:28,921 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-09-25 09:40:29,322 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-09-25 09:40:29,475 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 96