/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 interpolation-heuristic=FIRST --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 [2020-09-24 16:39:33,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:39:33,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:39:33,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:39:33,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:39:33,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:39:33,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:39:33,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:39:33,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:39:33,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:39:33,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:39:33,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:39:33,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:39:33,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:39:33,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:39:33,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:39:33,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:39:33,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:39:33,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:39:33,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:39:33,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:39:33,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:39:33,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:39:33,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:39:33,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 16:39:33,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 16:39:33,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 16:39:33,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 16:39:33,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 16:39:33,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 16:39:33,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 16:39:33,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 16:39:33,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 16:39:33,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 16:39:33,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 16:39:33,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 16:39:33,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 16:39:33,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 16:39:33,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:39:33,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:39:33,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:39:33,397 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 [2020-09-24 16:39:33,445 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:39:33,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:39:33,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:39:33,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:39:33,448 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:39:33,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:39:33,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:39:33,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:39:33,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:39:33,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:39:33,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:39:33,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:39:33,450 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:39:33,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:39:33,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:39:33,451 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:39:33,452 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:39:33,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:39:33,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:39:33,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:39:33,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:39:33,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:39:33,453 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:39:33,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:39:33,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:39:33,454 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:39:33,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 16:39:33,454 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 16:39:33,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:39:33,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:39:33,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:39:33,980 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:39:33,981 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:39:33,982 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-09-24 16:39:34,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75b01b92b/ebf02df25a684dccb941a9969748d910/FLAG25ca8bbaa [2020-09-24 16:39:34,871 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:39:34,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-09-24 16:39:34,922 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75b01b92b/ebf02df25a684dccb941a9969748d910/FLAG25ca8bbaa [2020-09-24 16:39:35,393 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75b01b92b/ebf02df25a684dccb941a9969748d910 [2020-09-24 16:39:35,406 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:39:35,412 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:39:35,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:39:35,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:39:35,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:39:35,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:39:35" (1/1) ... [2020-09-24 16:39:35,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fc2cc11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:35, skipping insertion in model container [2020-09-24 16:39:35,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:39:35" (1/1) ... [2020-09-24 16:39:35,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:39:35,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:39:36,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:39:36,928 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 16:39:37,181 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:39:37,313 INFO L208 MainTranslator]: Completed translation [2020-09-24 16:39:37,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:37 WrapperNode [2020-09-24 16:39:37,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:39:37,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 16:39:37,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 16:39:37,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 16:39:37,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:37" (1/1) ... [2020-09-24 16:39:37,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:37" (1/1) ... [2020-09-24 16:39:37,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:37" (1/1) ... [2020-09-24 16:39:37,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:37" (1/1) ... [2020-09-24 16:39:37,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:37" (1/1) ... [2020-09-24 16:39:37,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:37" (1/1) ... [2020-09-24 16:39:37,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:37" (1/1) ... [2020-09-24 16:39:37,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 16:39:37,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 16:39:37,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 16:39:37,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 16:39:37,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:39:37,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 16:39:37,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 16:39:37,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-09-24 16:39:37,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-24 16:39:37,688 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-09-24 16:39:37,688 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-09-24 16:39:37,689 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-09-24 16:39:37,689 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-09-24 16:39:37,690 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2020-09-24 16:39:37,690 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_share_check [2020-09-24 16:39:37,731 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-09-24 16:39:37,731 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-09-24 16:39:37,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2020-09-24 16:39:37,731 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow [2020-09-24 16:39:37,732 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 16:39:37,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2020-09-24 16:39:37,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 16:39:37,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-24 16:39:37,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-24 16:39:37,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-24 16:39:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 16:39:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-24 16:39:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 16:39:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-24 16:39:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-24 16:39:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-09-24 16:39:37,735 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_off [2020-09-24 16:39:37,735 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2020-09-24 16:39:37,735 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2020-09-24 16:39:37,736 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connect_disconnect [2020-09-24 16:39:37,736 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connected [2020-09-24 16:39:37,736 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_disconnected [2020-09-24 16:39:37,736 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_indication [2020-09-24 16:39:37,736 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_transmit [2020-09-24 16:39:37,736 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_xmit [2020-09-24 16:39:37,737 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_open [2020-09-24 16:39:37,737 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_close [2020-09-24 16:39:37,737 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_rx [2020-09-24 16:39:37,737 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_ioctl [2020-09-24 16:39:37,737 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_init [2020-09-24 16:39:37,737 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_exit [2020-09-24 16:39:37,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hdlc_proto_1 [2020-09-24 16:39:37,738 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 16:39:37,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-24 16:39:37,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-24 16:39:37,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-24 16:39:37,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-24 16:39:37,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-24 16:39:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2020-09-24 16:39:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-09-24 16:39:37,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2020-09-24 16:39:37,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-24 16:39:37,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-24 16:39:37,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-24 16:39:37,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-24 16:39:37,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-24 16:39:37,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-24 16:39:37,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-24 16:39:37,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-24 16:39:37,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-24 16:39:37,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-24 16:39:37,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 16:39:37,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-24 16:39:37,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-24 16:39:37,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-24 16:39:37,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-24 16:39:37,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-24 16:39:37,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 16:39:37,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-09-24 16:39:37,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-09-24 16:39:37,747 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_hdlc_protocol [2020-09-24 16:39:37,747 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-09-24 16:39:37,747 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_connect_request [2020-09-24 16:39:37,749 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_received [2020-09-24 16:39:37,749 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_request [2020-09-24 16:39:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_disconnect_request [2020-09-24 16:39:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_register [2020-09-24 16:39:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_unregister [2020-09-24 16:39:37,750 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2020-09-24 16:39:37,751 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-09-24 16:39:37,751 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-09-24 16:39:37,751 INFO L138 BoogieDeclarations]: Found implementation of procedure register_hdlc_protocol [2020-09-24 16:39:37,752 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-09-24 16:39:37,752 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-09-24 16:39:37,752 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-09-24 16:39:37,753 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-24 16:39:37,753 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_protocol [2020-09-24 16:39:37,753 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 16:39:37,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 16:39:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 16:39:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 16:39:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-09-24 16:39:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-09-24 16:39:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-09-24 16:39:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 16:39:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-09-24 16:39:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-24 16:39:37,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-24 16:39:37,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-24 16:39:37,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-24 16:39:37,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-24 16:39:37,755 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-09-24 16:39:37,755 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-09-24 16:39:37,755 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-09-24 16:39:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 16:39:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-09-24 16:39:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2020-09-24 16:39:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure skb_share_check [2020-09-24 16:39:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 16:39:37,756 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-24 16:39:37,757 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-09-24 16:39:37,757 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-09-24 16:39:37,757 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-09-24 16:39:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-09-24 16:39:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 16:39:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2020-09-24 16:39:37,758 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2020-09-24 16:39:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow [2020-09-24 16:39:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-24 16:39:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-24 16:39:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-24 16:39:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 16:39:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 16:39:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 16:39:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-24 16:39:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 16:39:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 16:39:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2020-09-24 16:39:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 16:39:37,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 16:39:37,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 16:39:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 16:39:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-24 16:39:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-24 16:39:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 16:39:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-24 16:39:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-24 16:39:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hdlc_proto_1 [2020-09-24 16:39:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-24 16:39:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-09-24 16:39:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-09-24 16:39:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-09-24 16:39:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2020-09-24 16:39:37,768 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2020-09-24 16:39:37,768 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_off [2020-09-24 16:39:37,773 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-09-24 16:39:37,774 INFO L130 BoogieDeclarations]: Found specification of procedure register_hdlc_protocol [2020-09-24 16:39:37,774 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_protocol [2020-09-24 16:39:37,774 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2020-09-24 16:39:37,774 INFO L130 BoogieDeclarations]: Found specification of procedure attach_hdlc_protocol [2020-09-24 16:39:37,774 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_register [2020-09-24 16:39:37,774 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_unregister [2020-09-24 16:39:37,774 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_connect_request [2020-09-24 16:39:37,775 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_disconnect_request [2020-09-24 16:39:37,775 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_request [2020-09-24 16:39:37,775 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_received [2020-09-24 16:39:37,775 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2020-09-24 16:39:37,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 16:39:37,775 INFO L130 BoogieDeclarations]: Found specification of procedure x25_ioctl [2020-09-24 16:39:37,775 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connect_disconnect [2020-09-24 16:39:37,775 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connected [2020-09-24 16:39:37,776 INFO L130 BoogieDeclarations]: Found specification of procedure x25_disconnected [2020-09-24 16:39:37,776 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_indication [2020-09-24 16:39:37,776 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_transmit [2020-09-24 16:39:37,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-09-24 16:39:37,776 INFO L130 BoogieDeclarations]: Found specification of procedure x25_xmit [2020-09-24 16:39:37,776 INFO L130 BoogieDeclarations]: Found specification of procedure x25_open [2020-09-24 16:39:37,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 16:39:37,777 INFO L130 BoogieDeclarations]: Found specification of procedure x25_close [2020-09-24 16:39:37,777 INFO L130 BoogieDeclarations]: Found specification of procedure x25_rx [2020-09-24 16:39:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-24 16:39:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure mod_init [2020-09-24 16:39:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure mod_exit [2020-09-24 16:39:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 16:39:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 16:39:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 16:39:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-24 16:39:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-24 16:39:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-24 16:39:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-24 16:39:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-24 16:39:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-24 16:39:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-24 16:39:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-24 16:39:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-24 16:39:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-24 16:39:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-24 16:39:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-24 16:39:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-24 16:39:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 16:39:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 16:39:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 16:39:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 16:39:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 16:39:38,338 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-24 16:39:39,321 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 16:39:39,322 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-24 16:39:39,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:39:39 BoogieIcfgContainer [2020-09-24 16:39:39,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 16:39:39,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 16:39:39,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 16:39:39,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 16:39:39,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:39:35" (1/3) ... [2020-09-24 16:39:39,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48eeff0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:39:39, skipping insertion in model container [2020-09-24 16:39:39,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:37" (2/3) ... [2020-09-24 16:39:39,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48eeff0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:39:39, skipping insertion in model container [2020-09-24 16:39:39,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:39:39" (3/3) ... [2020-09-24 16:39:39,341 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 [2020-09-24 16:39:39,352 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 16:39:39,363 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 16:39:39,385 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 16:39:39,417 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 16:39:39,418 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 16:39:39,418 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 16:39:39,418 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 16:39:39,418 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 16:39:39,418 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 16:39:39,418 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 16:39:39,418 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 16:39:39,462 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states. [2020-09-24 16:39:39,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-09-24 16:39:39,478 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:39:39,480 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] [2020-09-24 16:39:39,480 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:39:39,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:39:39,488 INFO L82 PathProgramCache]: Analyzing trace with hash 2033327711, now seen corresponding path program 1 times [2020-09-24 16:39:39,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:39:39,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [372962196] [2020-09-24 16:39:39,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:39:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:39,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:39,922 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:39,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:39,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:39,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 16:39:39,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:39,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 16:39:39,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:39,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:39:39,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-24 16:39:39,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 16:39:39,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:40,256 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-09-24 16:39:40,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:39:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:40,268 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:40,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:40,269 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:40,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:40,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 16:39:40,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:40,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:40,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:40,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:40,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:40,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:40,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:40,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 16:39:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:40,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:40,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:40,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:40,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:40,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 16:39:40,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:40,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:40,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:40,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:40,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:40,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:40,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:40,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:39:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:40,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:40,394 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:40,394 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:40,395 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:40,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:39:40,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:40,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:39:40,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:40,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:40,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:40,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:40,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:40,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:39:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:40,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:40,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:40,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:40,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:40,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:39:40,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:40,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:40,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:40,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:40,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:40,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:40,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:40,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-24 16:39:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:40,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:40,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:40,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:40,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:40,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 16:39:40,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:40,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:39:40,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:40,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:40,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:40,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:40,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:40,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:39:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:40,529 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:40,529 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:40,529 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:40,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:40,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:39:40,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:40,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:39:40,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:40,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:40,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:40,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:40,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:40,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-24 16:39:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:40,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:40,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:40,560 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:40,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:40,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:39:40,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:40,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 16:39:40,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:40,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:40,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 16:39:40,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:40,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:40,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:39:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:40,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:40,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:40,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:40,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:40,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:39:40,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:40,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:40,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:40,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:40,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:40,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:40,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:40,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 16:39:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:40,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:40,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:40,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:40,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:40,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:39:40,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:40,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:40,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:40,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:40,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 16:39:40,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:40,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:40,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:39:40,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [372962196] [2020-09-24 16:39:40,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:39:40,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 16:39:40,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270620301] [2020-09-24 16:39:40,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 16:39:40,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:39:40,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 16:39:40,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:39:40,683 INFO L87 Difference]: Start difference. First operand 890 states. Second operand 7 states. [2020-09-24 16:39:46,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:39:46,949 INFO L93 Difference]: Finished difference Result 2373 states and 2824 transitions. [2020-09-24 16:39:46,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 16:39:46,951 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 106 [2020-09-24 16:39:46,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:39:46,984 INFO L225 Difference]: With dead ends: 2373 [2020-09-24 16:39:46,984 INFO L226 Difference]: Without dead ends: 1687 [2020-09-24 16:39:46,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-09-24 16:39:47,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2020-09-24 16:39:47,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1286. [2020-09-24 16:39:47,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1286 states. [2020-09-24 16:39:47,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1428 transitions. [2020-09-24 16:39:47,306 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 1428 transitions. Word has length 106 [2020-09-24 16:39:47,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:39:47,307 INFO L479 AbstractCegarLoop]: Abstraction has 1286 states and 1428 transitions. [2020-09-24 16:39:47,308 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 16:39:47,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1428 transitions. [2020-09-24 16:39:47,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-09-24 16:39:47,321 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:39:47,321 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] [2020-09-24 16:39:47,322 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 16:39:47,322 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:39:47,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:39:47,324 INFO L82 PathProgramCache]: Analyzing trace with hash 594820322, now seen corresponding path program 1 times [2020-09-24 16:39:47,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:39:47,324 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [314288552] [2020-09-24 16:39:47,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:39:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:47,394 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:47,394 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:47,394 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:47,395 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:47,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-09-24 16:39:47,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:47,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 16:39:47,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:47,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 16:39:47,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-09-24 16:39:47,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:39:47,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:47,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:39:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:47,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:47,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:47,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:47,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:47,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 16:39:47,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:47,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:47,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:47,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:47,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:47,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:47,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:47,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 16:39:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:47,700 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:47,702 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:47,702 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:47,702 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:47,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 16:39:47,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:47,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:39:47,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:47,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:47,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:47,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:47,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:47,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:39:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:47,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:47,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:47,751 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:47,751 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:47,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:39:47,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:47,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:47,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:47,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:47,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:47,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:47,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:47,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:39:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:47,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:47,773 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:47,773 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:47,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:47,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:39:47,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:47,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:47,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:47,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:47,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:47,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-24 16:39:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:47,806 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:47,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:47,807 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:47,807 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:47,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 16:39:47,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:47,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:47,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:47,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:47,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:47,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:47,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:47,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:39:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:47,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:47,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:47,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:47,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:47,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:39:47,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:47,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:47,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:47,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:47,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:47,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:47,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:47,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 16:39:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:47,847 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:47,848 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:47,848 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:47,848 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:47,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 16:39:47,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:47,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:39:47,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:47,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 16:39:47,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:47,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 16:39:47,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:47,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:39:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:47,890 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:47,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:47,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:47,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:47,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:39:47,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:47,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:47,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:47,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:47,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:47,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:47,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:47,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-24 16:39:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:47,905 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:47,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:47,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:47,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:47,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:39:47,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:47,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:47,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:47,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:47,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 16:39:47,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:47,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:47,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:39:47,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [314288552] [2020-09-24 16:39:47,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:39:47,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 16:39:47,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741594754] [2020-09-24 16:39:47,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 16:39:47,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:39:47,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 16:39:47,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 16:39:47,954 INFO L87 Difference]: Start difference. First operand 1286 states and 1428 transitions. Second operand 9 states. [2020-09-24 16:39:48,912 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-24 16:39:52,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:39:52,570 INFO L93 Difference]: Finished difference Result 2914 states and 3316 transitions. [2020-09-24 16:39:52,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 16:39:52,571 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 114 [2020-09-24 16:39:52,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:39:52,586 INFO L225 Difference]: With dead ends: 2914 [2020-09-24 16:39:52,587 INFO L226 Difference]: Without dead ends: 1684 [2020-09-24 16:39:52,592 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-24 16:39:52,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1684 states. [2020-09-24 16:39:52,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1684 to 1284. [2020-09-24 16:39:52,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1284 states. [2020-09-24 16:39:52,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 1423 transitions. [2020-09-24 16:39:52,691 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 1423 transitions. Word has length 114 [2020-09-24 16:39:52,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:39:52,691 INFO L479 AbstractCegarLoop]: Abstraction has 1284 states and 1423 transitions. [2020-09-24 16:39:52,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 16:39:52,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1423 transitions. [2020-09-24 16:39:52,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-09-24 16:39:52,697 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:39:52,697 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2020-09-24 16:39:52,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 16:39:52,698 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:39:52,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:39:52,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1356551308, now seen corresponding path program 1 times [2020-09-24 16:39:52,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:39:52,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2014208909] [2020-09-24 16:39:52,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:39:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:52,787 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:52,787 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:52,788 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:52,788 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:52,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-09-24 16:39:52,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:52,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 16:39:52,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:52,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:39:52,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 16:39:52,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 16:39:52,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:53,121 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-09-24 16:39:53,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:39:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:53,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:53,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:53,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:53,137 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:53,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 16:39:53,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:53,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:39:53,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:53,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:53,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:53,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:53,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:53,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 16:39:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:53,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:53,210 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:53,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:53,211 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:53,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 16:39:53,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:53,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:53,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:53,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:53,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:53,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:53,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:53,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:39:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:53,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:53,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:53,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:53,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:53,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:39:53,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:53,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:53,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:53,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:53,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:53,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:53,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:53,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:39:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:53,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:53,282 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:53,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:53,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:53,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:39:53,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:53,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:53,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:53,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:53,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:53,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:53,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:53,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-24 16:39:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:53,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:53,320 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:53,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:53,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:53,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 16:39:53,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:53,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:39:53,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:53,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:39:53,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:53,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:39:53,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:53,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:39:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:53,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:53,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:53,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:53,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:53,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:39:53,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:53,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:39:53,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:53,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:39:53,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:53,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:39:53,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:53,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 16:39:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:53,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:53,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:53,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:53,376 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:53,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 16:39:53,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:53,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:39:53,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:53,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:39:53,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:53,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 16:39:53,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:53,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:39:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:53,393 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:53,394 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:53,394 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:53,395 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:53,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:39:53,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:53,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:39:53,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:53,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:53,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:53,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:53,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:53,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-24 16:39:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:53,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:53,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:53,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:53,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:53,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 16:39:53,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:53,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:53,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:53,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:39:53,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:53,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 16:39:53,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:53,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:39:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:53,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:53,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:53,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:53,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:53,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 16:39:53,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:53,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:53,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:53,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:53,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:53,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:53,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:53,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:39:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:53,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:53,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:53,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:53,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:53,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:39:53,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:53,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:53,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:53,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:53,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:53,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:53,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:53,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:39:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:53,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:53,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:53,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:53,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:53,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:39:53,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:53,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:53,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:53,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:53,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:53,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:53,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:53,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-24 16:39:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:53,567 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:53,567 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:53,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:53,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:53,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 16:39:53,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:53,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:53,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:53,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:53,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:53,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:53,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:53,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:39:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:53,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:53,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:53,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:53,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:53,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:39:53,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:53,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:53,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:53,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:53,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:53,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:53,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:39:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:53,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:53,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:53,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:53,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:53,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:39:53,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:53,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:53,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:53,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:53,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:53,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:53,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:53,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 16:39:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:53,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:53,633 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:53,633 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:53,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:53,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:39:53,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:53,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:53,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:53,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:39:53,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:53,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 16:39:53,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:53,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:39:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:53,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:53,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:53,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:53,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:53,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:39:53,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:53,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:53,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:53,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:53,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:53,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:53,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:53,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-24 16:39:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:53,673 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:53,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:53,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:53,674 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:53,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:39:53,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:53,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 16:39:53,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:53,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 16:39:53,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:53,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:39:53,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:53,829 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-09-24 16:39:53,829 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2014208909] [2020-09-24 16:39:53,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:39:53,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 16:39:53,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338493920] [2020-09-24 16:39:53,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 16:39:53,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:39:53,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 16:39:53,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-24 16:39:53,833 INFO L87 Difference]: Start difference. First operand 1284 states and 1423 transitions. Second operand 11 states. [2020-09-24 16:39:54,305 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-09-24 16:39:54,504 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-09-24 16:39:59,994 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-09-24 16:40:00,133 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-24 16:40:00,264 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-09-24 16:40:00,395 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-24 16:40:00,593 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-09-24 16:40:03,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:40:03,447 INFO L93 Difference]: Finished difference Result 4277 states and 4961 transitions. [2020-09-24 16:40:03,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 16:40:03,447 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-09-24 16:40:03,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:40:03,464 INFO L225 Difference]: With dead ends: 4277 [2020-09-24 16:40:03,464 INFO L226 Difference]: Without dead ends: 3030 [2020-09-24 16:40:03,469 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2020-09-24 16:40:03,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2020-09-24 16:40:03,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2650. [2020-09-24 16:40:03,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2650 states. [2020-09-24 16:40:03,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2650 states and 3001 transitions. [2020-09-24 16:40:03,652 INFO L78 Accepts]: Start accepts. Automaton has 2650 states and 3001 transitions. Word has length 180 [2020-09-24 16:40:03,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:40:03,653 INFO L479 AbstractCegarLoop]: Abstraction has 2650 states and 3001 transitions. [2020-09-24 16:40:03,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 16:40:03,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 3001 transitions. [2020-09-24 16:40:03,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-09-24 16:40:03,667 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:40:03,668 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] [2020-09-24 16:40:03,668 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 16:40:03,669 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:40:03,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:40:03,669 INFO L82 PathProgramCache]: Analyzing trace with hash -766964387, now seen corresponding path program 1 times [2020-09-24 16:40:03,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:40:03,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1878134460] [2020-09-24 16:40:03,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:40:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:03,780 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:03,780 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:03,780 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:03,780 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:03,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-09-24 16:40:03,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:03,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:03,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:03,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:40:03,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-09-24 16:40:03,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-24 16:40:03,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:03,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:40:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:03,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:03,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:03,991 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:03,991 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:03,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 16:40:03,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:03,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:03,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:03,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:03,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:03,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:03,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:04,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 16:40:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:04,039 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:04,039 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:04,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:04,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:04,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 16:40:04,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:04,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:04,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:04,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:04,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:04,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:04,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:04,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:40:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:04,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:04,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:04,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:04,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:04,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:40:04,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:04,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:04,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:04,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:04,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:04,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:04,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:04,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:40:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:04,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:04,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:04,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:04,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:04,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:40:04,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:04,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:04,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:04,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:04,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:04,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:04,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:04,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-24 16:40:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:04,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:04,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:04,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:04,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:04,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 16:40:04,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:04,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:04,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:04,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:04,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:04,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:04,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 16:40:04,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:40:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:04,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:04,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:04,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:04,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:04,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:40:04,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:04,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:04,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:04,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:04,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:04,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:04,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:04,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 16:40:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:04,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:04,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:04,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:04,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:04,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 16:40:04,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:04,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:04,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:04,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:04,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:04,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:04,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:04,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:40:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:04,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:04,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:04,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:04,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:04,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:40:04,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:04,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:04,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:04,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:04,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:04,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:04,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:04,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-24 16:40:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:04,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:04,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:04,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:04,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:04,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 16:40:04,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:04,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:04,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:04,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:40:04,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:04,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 16:40:04,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:04,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:40:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:04,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:04,238 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:04,238 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:04,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:04,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 16:40:04,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:04,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:04,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:04,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:04,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:04,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:04,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:04,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:40:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:04,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:04,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:04,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:04,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:04,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:40:04,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:04,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:04,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:04,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:04,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:04,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:04,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:04,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:40:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:04,273 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:04,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:04,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:04,274 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:04,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:40:04,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:04,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:04,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:04,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:04,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:04,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:04,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:04,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-24 16:40:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:04,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:04,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:04,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:04,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:04,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 16:40:04,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:04,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:04,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:04,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:04,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:04,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:04,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:04,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:40:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:04,312 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:04,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:04,313 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:04,313 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:04,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:40:04,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:04,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:04,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:04,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:04,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:04,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:04,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:04,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:40:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:04,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:04,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:04,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:04,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:04,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:40:04,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:04,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:04,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:04,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:04,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:04,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:04,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:04,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-24 16:40:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:04,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:04,377 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:04,377 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:04,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:04,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 16:40:04,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:04,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:04,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:04,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:04,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-09-24 16:40:04,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:04,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:04,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:40:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:04,407 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:04,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:04,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:04,408 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:04,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:40:04,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:04,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:04,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:04,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:04,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:04,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:04,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:04,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 16:40:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:04,432 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:04,432 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:04,433 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:04,433 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:04,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:40:04,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:04,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:04,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:04,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:04,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:04,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:04,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:04,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 16:40:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:04,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:04,469 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:04,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:04,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:04,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 16:40:04,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:04,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:04,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:04,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:04,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:04,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:04,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:04,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:40:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:04,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:04,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:04,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:04,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:04,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 16:40:04,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:04,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:04,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:04,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:04,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:04,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:04,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:04,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-24 16:40:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:04,521 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:04,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:04,522 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:04,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:04,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:40:04,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:04,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 16:40:04,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:04,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:04,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 16:40:04,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:04,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:04,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:40:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:04,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:04,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:04,532 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:04,532 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:04,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:40:04,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:04,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:04,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:04,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:04,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:04,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:04,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:04,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-24 16:40:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:04,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:04,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:04,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:04,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:04,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:40:04,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:04,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:04,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:04,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:04,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 16:40:04,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:04,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:04,623 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-09-24 16:40:04,623 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1878134460] [2020-09-24 16:40:04,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:40:04,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 16:40:04,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241011566] [2020-09-24 16:40:04,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 16:40:04,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:40:04,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 16:40:04,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-09-24 16:40:04,628 INFO L87 Difference]: Start difference. First operand 2650 states and 3001 transitions. Second operand 10 states. [2020-09-24 16:40:11,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:40:11,413 INFO L93 Difference]: Finished difference Result 8266 states and 9541 transitions. [2020-09-24 16:40:11,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 16:40:11,414 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 245 [2020-09-24 16:40:11,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:40:11,443 INFO L225 Difference]: With dead ends: 8266 [2020-09-24 16:40:11,443 INFO L226 Difference]: Without dead ends: 5672 [2020-09-24 16:40:11,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2020-09-24 16:40:11,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5672 states. [2020-09-24 16:40:11,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5672 to 4870. [2020-09-24 16:40:11,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4870 states. [2020-09-24 16:40:11,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4870 states to 4870 states and 5484 transitions. [2020-09-24 16:40:11,895 INFO L78 Accepts]: Start accepts. Automaton has 4870 states and 5484 transitions. Word has length 245 [2020-09-24 16:40:11,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:40:11,896 INFO L479 AbstractCegarLoop]: Abstraction has 4870 states and 5484 transitions. [2020-09-24 16:40:11,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 16:40:11,896 INFO L276 IsEmpty]: Start isEmpty. Operand 4870 states and 5484 transitions. [2020-09-24 16:40:11,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-09-24 16:40:11,909 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:40:11,909 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] [2020-09-24 16:40:11,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 16:40:11,910 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:40:11,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:40:11,910 INFO L82 PathProgramCache]: Analyzing trace with hash -790465097, now seen corresponding path program 1 times [2020-09-24 16:40:11,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:40:11,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1558998849] [2020-09-24 16:40:11,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:40:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-09-24 16:40:12,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:40:12,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:40:12,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 235 [2020-09-24 16:40:12,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 16:40:12,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:40:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,199 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 16:40:12,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 16:40:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,241 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,242 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,242 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 16:40:12,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:40:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:40:12,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:40:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:40:12,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:12,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-24 16:40:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 16:40:12,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:40:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,322 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:40:12,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 16:40:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,338 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 16:40:12,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:40:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:40:12,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-24 16:40:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,393 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,394 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,394 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,394 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 16:40:12,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:40:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 16:40:12,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:12,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:40:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,448 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:40:12,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:12,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:40:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:40:12,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-24 16:40:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,488 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 16:40:12,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:40:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:40:12,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:40:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,523 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,523 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,523 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:40:12,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 16:40:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,571 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,571 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,571 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,571 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 16:40:12,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:12,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:40:12,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-24 16:40:12,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 16:40:12,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:40:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:40:12,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 16:40:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,616 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,617 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:40:12,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 16:40:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,657 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,657 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,658 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 16:40:12,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:12,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:40:12,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 16:40:12,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 16:40:12,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:40:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,679 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 16:40:12,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:40:12,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 16:40:12,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 16:40:12,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-24 16:40:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,723 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:40:12,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:12,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 16:40:12,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:40:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,736 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,736 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:40:12,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:40:12,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:12,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:12,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-24 16:40:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:12,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:12,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:12,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:12,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:12,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:40:12,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:12,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:12,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:12,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:12,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 16:40:12,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:12,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 16:40:12,840 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-09-24 16:40:12,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1558998849] [2020-09-24 16:40:12,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:40:12,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 16:40:12,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540567166] [2020-09-24 16:40:12,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 16:40:12,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:40:12,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 16:40:12,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-09-24 16:40:12,848 INFO L87 Difference]: Start difference. First operand 4870 states and 5484 transitions. Second operand 10 states. [2020-09-24 16:40:14,893 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-24 16:40:18,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:40:18,095 INFO L93 Difference]: Finished difference Result 8232 states and 9611 transitions. [2020-09-24 16:40:18,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 16:40:18,096 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 245 [2020-09-24 16:40:18,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:40:18,130 INFO L225 Difference]: With dead ends: 8232 [2020-09-24 16:40:18,130 INFO L226 Difference]: Without dead ends: 5630 [2020-09-24 16:40:18,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2020-09-24 16:40:18,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5630 states. [2020-09-24 16:40:18,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5630 to 4878. [2020-09-24 16:40:18,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4878 states. [2020-09-24 16:40:18,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4878 states to 4878 states and 5492 transitions. [2020-09-24 16:40:18,604 INFO L78 Accepts]: Start accepts. Automaton has 4878 states and 5492 transitions. Word has length 245 [2020-09-24 16:40:18,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:40:18,605 INFO L479 AbstractCegarLoop]: Abstraction has 4878 states and 5492 transitions. [2020-09-24 16:40:18,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 16:40:18,606 INFO L276 IsEmpty]: Start isEmpty. Operand 4878 states and 5492 transitions. [2020-09-24 16:40:18,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-09-24 16:40:18,626 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:40:18,626 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] [2020-09-24 16:40:18,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 16:40:18,627 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:40:18,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:40:18,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1475730443, now seen corresponding path program 1 times [2020-09-24 16:40:18,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:40:18,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1740785462] [2020-09-24 16:40:18,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:40:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:18,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:18,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:18,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:18,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:18,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 304 [2020-09-24 16:40:18,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:18,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 16:40:18,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:18,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 16:40:18,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 16:40:18,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-09-24 16:40:18,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:19,139 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-09-24 16:40:19,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:40:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:19,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:19,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:19,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:19,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:19,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 16:40:19,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:19,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:19,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:19,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:19,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:19,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:19,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:19,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 16:40:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:19,197 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:19,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:19,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:19,198 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:19,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 16:40:19,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:19,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:19,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:19,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:19,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:19,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:19,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:19,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:40:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:19,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:19,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:19,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:19,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:19,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:40:19,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:19,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:19,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:19,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:19,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:19,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:19,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:19,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:40:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:19,245 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:19,245 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:19,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:19,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:19,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:40:19,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:19,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:19,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:19,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:19,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:19,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:19,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:19,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-24 16:40:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:19,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:19,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:19,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:19,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:19,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 16:40:19,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:19,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:19,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:19,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:40:19,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:19,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:40:19,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:19,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:40:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:19,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:19,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:19,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:19,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:19,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:40:19,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:19,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:40:19,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:19,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:40:19,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:19,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:40:19,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:19,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 16:40:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:19,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:19,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:19,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:19,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:19,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 16:40:19,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:19,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:19,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:19,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:40:19,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:19,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 16:40:19,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:19,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:40:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:19,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:19,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:19,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:19,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:19,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:40:19,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:19,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:19,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:19,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:19,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:19,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:19,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:19,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-24 16:40:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:19,480 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:19,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:19,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:19,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:19,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 16:40:19,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:19,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:19,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:19,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:40:19,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:19,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 16:40:19,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:19,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:40:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:19,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:19,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:19,515 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:19,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:19,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 16:40:19,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:19,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:19,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:19,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:19,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:19,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:19,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:19,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:40:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:19,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:19,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:19,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:19,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:19,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:40:19,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:19,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:19,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:19,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:19,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:19,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:19,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:19,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:40:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:19,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:19,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:19,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:19,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:19,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:40:19,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:19,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:19,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:19,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:19,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-24 16:40:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:19,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:19,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:19,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:19,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:19,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 16:40:19,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:19,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:19,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:19,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:19,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:19,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:19,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:40:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:19,588 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:19,588 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:19,588 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:19,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:19,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:40:19,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:19,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:40:19,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:19,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:19,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:19,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:19,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:19,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 16:40:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:19,605 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:19,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:19,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:19,606 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:19,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:40:19,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:19,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:19,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:19,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:19,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:19,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:19,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:19,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 16:40:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:19,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:19,708 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:19,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:19,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:19,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-24 16:40:19,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:19,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-24 16:40:19,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:19,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 16:40:19,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:40:19,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-24 16:40:19,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:19,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:40:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:19,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:19,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:19,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:19,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:19,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:40:19,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:19,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:19,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:19,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:40:19,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:19,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:40:19,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:19,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 16:40:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:19,840 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:19,840 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:19,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:19,841 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:19,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:40:19,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:19,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:40:19,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:19,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:40:19,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:19,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:40:19,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:40:19,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 16:40:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:19,896 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:19,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:19,897 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:19,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:19,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 16:40:19,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:19,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 16:40:19,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:19,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 16:40:19,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:40:19,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 16:40:19,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:19,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:40:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:19,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:19,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:19,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:19,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:19,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 16:40:19,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:19,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 16:40:19,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:19,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:40:19,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:40:19,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 16:40:19,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:20,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-24 16:40:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:20,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:20,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:20,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:20,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:20,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:40:20,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:20,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:20,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:20,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:20,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 16:40:20,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:20,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:20,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:40:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:20,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:20,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:20,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:20,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:20,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:40:20,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:20,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:20,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:20,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:20,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:40:20,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:20,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:20,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-09-24 16:40:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:40:20,047 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:40:20,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:40:20,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:40:20,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:40:20,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:40:20,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:40:20,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:40:20,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:40:20,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:40:20,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 16:40:20,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:40:20,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:40:20,124 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-09-24 16:40:20,124 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1740785462] [2020-09-24 16:40:20,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:40:20,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 16:40:20,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700664233] [2020-09-24 16:40:20,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 16:40:20,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:40:20,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 16:40:20,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-09-24 16:40:20,127 INFO L87 Difference]: Start difference. First operand 4878 states and 5492 transitions. Second operand 12 states. [2020-09-24 16:40:22,726 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-09-24 16:40:24,107 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-09-24 16:40:24,347 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-09-24 16:40:24,595 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 99