/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 --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-eb0fd7c [2020-09-21 12:02:41,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:02:41,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:02:41,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:02:41,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:02:41,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:02:41,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:02:41,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:02:41,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:02:41,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:02:41,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:02:41,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:02:41,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:02:41,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:02:41,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:02:41,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:02:41,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:02:41,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:02:41,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:02:41,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:02:41,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:02:41,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:02:41,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:02:41,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:02:41,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:02:41,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:02:41,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:02:41,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:02:41,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:02:41,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:02:41,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:02:41,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:02:41,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:02:41,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:02:41,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:02:41,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:02:41,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:02:41,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:02:41,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:02:41,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:02:41,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:02:41,373 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 [2020-09-21 12:02:41,416 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:02:41,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:02:41,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:02:41,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:02:41,420 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:02:41,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:02:41,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:02:41,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:02:41,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:02:41,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:02:41,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:02:41,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:02:41,422 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:02:41,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:02:41,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:02:41,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:02:41,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:02:41,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:02:41,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:02:41,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:02:41,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:02:41,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:02:41,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:02:41,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:02:41,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:02:41,425 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:02:41,426 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-21 12:02:41,426 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.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; [2020-09-21 12:02:41,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:02:41,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:02:41,925 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:02:41,927 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:02:41,928 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:02:41,929 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-09-21 12:02:42,008 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/feae8bbbe/a4a158668ce14f7b9fe7ada773d467c2/FLAG62bcc9809 [2020-09-21 12:02:42,870 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:02:42,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-09-21 12:02:42,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/feae8bbbe/a4a158668ce14f7b9fe7ada773d467c2/FLAG62bcc9809 [2020-09-21 12:02:43,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/feae8bbbe/a4a158668ce14f7b9fe7ada773d467c2 [2020-09-21 12:02:43,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:02:43,399 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:02:43,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:02:43,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:02:43,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:02:43,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:02:43" (1/1) ... [2020-09-21 12:02:43,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ba1ca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:43, skipping insertion in model container [2020-09-21 12:02:43,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:02:43" (1/1) ... [2020-09-21 12:02:43,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:02:43,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:02:45,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:02:45,029 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:02:45,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:02:45,433 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:02:45,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:45 WrapperNode [2020-09-21 12:02:45,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:02:45,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:02:45,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:02:45,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:02:45,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:45" (1/1) ... [2020-09-21 12:02:45,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:45" (1/1) ... [2020-09-21 12:02:45,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:45" (1/1) ... [2020-09-21 12:02:45,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:45" (1/1) ... [2020-09-21 12:02:45,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:45" (1/1) ... [2020-09-21 12:02:45,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:45" (1/1) ... [2020-09-21 12:02:45,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:45" (1/1) ... [2020-09-21 12:02:45,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:02:45,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:02:45,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:02:45,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:02:45,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:45" (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 [2020-09-21 12:02:45,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:02:45,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:02:45,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-09-21 12:02:45,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-21 12:02:45,861 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-09-21 12:02:45,861 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-09-21 12:02:45,862 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-09-21 12:02:45,862 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-09-21 12:02:45,863 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2020-09-21 12:02:45,863 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_share_check [2020-09-21 12:02:45,863 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-09-21 12:02:45,864 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-09-21 12:02:45,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2020-09-21 12:02:45,864 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow [2020-09-21 12:02:45,864 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 12:02:45,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2020-09-21 12:02:45,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-21 12:02:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-21 12:02:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-21 12:02:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-21 12:02:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-21 12:02:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-21 12:02:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-21 12:02:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-21 12:02:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-21 12:02:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-09-21 12:02:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_off [2020-09-21 12:02:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2020-09-21 12:02:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2020-09-21 12:02:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connect_disconnect [2020-09-21 12:02:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connected [2020-09-21 12:02:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_disconnected [2020-09-21 12:02:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_indication [2020-09-21 12:02:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_transmit [2020-09-21 12:02:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_xmit [2020-09-21 12:02:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_open [2020-09-21 12:02:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_close [2020-09-21 12:02:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_rx [2020-09-21 12:02:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_ioctl [2020-09-21 12:02:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_init [2020-09-21 12:02:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_exit [2020-09-21 12:02:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hdlc_proto_1 [2020-09-21 12:02:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:02:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-21 12:02:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-21 12:02:45,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-21 12:02:45,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-21 12:02:45,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-21 12:02:45,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2020-09-21 12:02:45,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-09-21 12:02:45,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2020-09-21 12:02:45,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-21 12:02:45,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-21 12:02:45,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-21 12:02:45,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-21 12:02:45,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-21 12:02:45,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-21 12:02:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-21 12:02:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-21 12:02:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-21 12:02:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-21 12:02:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-21 12:02:45,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-21 12:02:45,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-21 12:02:45,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-21 12:02:45,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-21 12:02:45,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-21 12:02:45,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-21 12:02:45,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-09-21 12:02:45,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-09-21 12:02:45,876 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_hdlc_protocol [2020-09-21 12:02:45,876 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-09-21 12:02:45,876 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_connect_request [2020-09-21 12:02:45,877 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_received [2020-09-21 12:02:45,877 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_request [2020-09-21 12:02:45,878 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_disconnect_request [2020-09-21 12:02:45,878 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_register [2020-09-21 12:02:45,878 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_unregister [2020-09-21 12:02:45,879 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2020-09-21 12:02:45,879 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-09-21 12:02:45,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-09-21 12:02:45,879 INFO L138 BoogieDeclarations]: Found implementation of procedure register_hdlc_protocol [2020-09-21 12:02:45,879 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-09-21 12:02:45,879 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-09-21 12:02:45,879 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-09-21 12:02:45,880 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-21 12:02:45,880 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_protocol [2020-09-21 12:02:45,880 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-21 12:02:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-21 12:02:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:02:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-21 12:02:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-09-21 12:02:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-09-21 12:02:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-09-21 12:02:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:02:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-09-21 12:02:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-21 12:02:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-21 12:02:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-21 12:02:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-21 12:02:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-21 12:02:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-09-21 12:02:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-09-21 12:02:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-09-21 12:02:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:02:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-09-21 12:02:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2020-09-21 12:02:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure skb_share_check [2020-09-21 12:02:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:02:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-21 12:02:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-09-21 12:02:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-09-21 12:02:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-09-21 12:02:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-09-21 12:02:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:02:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2020-09-21 12:02:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2020-09-21 12:02:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow [2020-09-21 12:02:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-21 12:02:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-21 12:02:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-21 12:02:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:02:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-21 12:02:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:02:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-21 12:02:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 12:02:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 12:02:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2020-09-21 12:02:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:02:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-21 12:02:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-21 12:02:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-21 12:02:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-21 12:02:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-21 12:02:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-21 12:02:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-21 12:02:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-21 12:02:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hdlc_proto_1 [2020-09-21 12:02:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-21 12:02:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-09-21 12:02:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-09-21 12:02:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-09-21 12:02:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2020-09-21 12:02:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2020-09-21 12:02:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_off [2020-09-21 12:02:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-09-21 12:02:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure register_hdlc_protocol [2020-09-21 12:02:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_protocol [2020-09-21 12:02:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2020-09-21 12:02:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure attach_hdlc_protocol [2020-09-21 12:02:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_register [2020-09-21 12:02:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_unregister [2020-09-21 12:02:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_connect_request [2020-09-21 12:02:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_disconnect_request [2020-09-21 12:02:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_request [2020-09-21 12:02:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_received [2020-09-21 12:02:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2020-09-21 12:02:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:02:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure x25_ioctl [2020-09-21 12:02:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connect_disconnect [2020-09-21 12:02:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connected [2020-09-21 12:02:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure x25_disconnected [2020-09-21 12:02:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_indication [2020-09-21 12:02:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_transmit [2020-09-21 12:02:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-09-21 12:02:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure x25_xmit [2020-09-21 12:02:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure x25_open [2020-09-21 12:02:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:02:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure x25_close [2020-09-21 12:02:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure x25_rx [2020-09-21 12:02:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-21 12:02:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure mod_init [2020-09-21 12:02:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure mod_exit [2020-09-21 12:02:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-21 12:02:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-21 12:02:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:02:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-21 12:02:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-21 12:02:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-21 12:02:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-21 12:02:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-21 12:02:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-21 12:02:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-21 12:02:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-21 12:02:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-21 12:02:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-21 12:02:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-21 12:02:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-21 12:02:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-21 12:02:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:02:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-21 12:02:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:02:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-21 12:02:45,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:02:46,447 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-21 12:02:47,287 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:02:47,287 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-21 12:02:47,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:02:47 BoogieIcfgContainer [2020-09-21 12:02:47,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:02:47,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:02:47,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:02:47,300 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:02:47,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:02:43" (1/3) ... [2020-09-21 12:02:47,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af05fa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:02:47, skipping insertion in model container [2020-09-21 12:02:47,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:45" (2/3) ... [2020-09-21 12:02:47,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af05fa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:02:47, skipping insertion in model container [2020-09-21 12:02:47,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:02:47" (3/3) ... [2020-09-21 12:02:47,304 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 [2020-09-21 12:02:47,317 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:02:47,329 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:02:47,352 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:02:47,389 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:02:47,389 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:02:47,389 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:02:47,389 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:02:47,390 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:02:47,390 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:02:47,390 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:02:47,390 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:02:47,426 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states. [2020-09-21 12:02:47,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-21 12:02:47,439 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:02:47,441 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] [2020-09-21 12:02:47,441 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:02:47,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:02:47,449 INFO L82 PathProgramCache]: Analyzing trace with hash 856791813, now seen corresponding path program 1 times [2020-09-21 12:02:47,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:02:47,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [538464053] [2020-09-21 12:02:47,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:02:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:47,761 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:47,762 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:47,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:47,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:47,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:02:47,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:47,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 12:02:47,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:47,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:47,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-09-21 12:02:47,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:02:47,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:48,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:02:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:48,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:48,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:48,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:48,094 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:48,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:48,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:48,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:48,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:48,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:48,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:48,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:48,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:48,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:02:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:48,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:48,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:48,148 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:48,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:48,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:02:48,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:48,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:48,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:48,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:48,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:48,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:48,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:48,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:02:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:48,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:48,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:48,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:48,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:48,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:48,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:48,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:48,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:48,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:48,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:48,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:48,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:48,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:02:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:48,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:48,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:48,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:48,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:48,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:02:48,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:48,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:48,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:48,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:48,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:48,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:48,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:48,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:02:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:48,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:48,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:48,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:48,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:48,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:02:48,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:48,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:48,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:48,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:48,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:48,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:48,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:48,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:02:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:48,249 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:48,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:48,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:48,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:48,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:48,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:48,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:48,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:48,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:48,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:48,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:02:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:48,267 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:48,267 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:48,268 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:48,268 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:48,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:02:48,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:48,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:48,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:48,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:48,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:02:48,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:48,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:48,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:02:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:48,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:48,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:48,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:48,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:48,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:48,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:48,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:48,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:48,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:48,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:48,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:48,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:48,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 12:02:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:48,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:48,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:48,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:48,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:48,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:48,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:48,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:48,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:48,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:48,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:02:48,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:48,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:02:48,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:02:48,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [538464053] [2020-09-21 12:02:48,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:02:48,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 12:02:48,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681339495] [2020-09-21 12:02:48,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:02:48,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:02:48,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:02:48,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:02:48,353 INFO L87 Difference]: Start difference. First operand 477 states. Second operand 7 states. [2020-09-21 12:02:48,526 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-09-21 12:02:48,711 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-09-21 12:02:53,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:02:53,767 INFO L93 Difference]: Finished difference Result 1386 states and 1837 transitions. [2020-09-21 12:02:53,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 12:02:53,769 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2020-09-21 12:02:53,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:02:53,805 INFO L225 Difference]: With dead ends: 1386 [2020-09-21 12:02:53,805 INFO L226 Difference]: Without dead ends: 987 [2020-09-21 12:02:53,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-09-21 12:02:53,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 987 states. [2020-09-21 12:02:54,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 987 to 703. [2020-09-21 12:02:54,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2020-09-21 12:02:54,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 845 transitions. [2020-09-21 12:02:54,027 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 845 transitions. Word has length 54 [2020-09-21 12:02:54,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:02:54,027 INFO L479 AbstractCegarLoop]: Abstraction has 703 states and 845 transitions. [2020-09-21 12:02:54,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:02:54,028 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 845 transitions. [2020-09-21 12:02:54,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-21 12:02:54,032 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:02:54,033 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] [2020-09-21 12:02:54,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:02:54,033 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:02:54,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:02:54,034 INFO L82 PathProgramCache]: Analyzing trace with hash 226580861, now seen corresponding path program 1 times [2020-09-21 12:02:54,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:02:54,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [815152737] [2020-09-21 12:02:54,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:02:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:54,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:54,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:54,106 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:54,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:54,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:02:54,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:54,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:02:54,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:54,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:02:54,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-09-21 12:02:54,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:02:54,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:54,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:02:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:54,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:54,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:54,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:54,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:54,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:54,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:54,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:54,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:54,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:54,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:54,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:54,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:54,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:02:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:54,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:54,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:54,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:54,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:54,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:02:54,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:54,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:54,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:54,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:54,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:54,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:54,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:54,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:02:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:54,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:54,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:54,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:54,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:54,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:54,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:54,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:54,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:54,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:54,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:54,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:54,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:54,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:02:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:54,345 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:54,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:54,346 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:54,346 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:54,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:02:54,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:54,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:54,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:54,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:54,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:54,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:54,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:54,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:02:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:54,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:54,370 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:54,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:54,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:54,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:02:54,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:54,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:54,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:54,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:54,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:54,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:54,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:54,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:02:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:54,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:54,382 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:54,382 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:54,382 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:54,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:54,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:54,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:54,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:54,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:54,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:54,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:54,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:54,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:02:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:54,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:54,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:54,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:54,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:54,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:02:54,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:54,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:02:54,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:54,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:02:54,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:54,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 12:02:54,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:54,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:02:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:54,436 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:54,436 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:54,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:54,437 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:54,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:54,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:54,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:54,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:54,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:54,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:54,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:54,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:54,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 12:02:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:54,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:54,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:54,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:54,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:54,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:54,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:54,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:54,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:54,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:54,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:02:54,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:54,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:54,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:02:54,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [815152737] [2020-09-21 12:02:54,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:02:54,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:02:54,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096167029] [2020-09-21 12:02:54,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:02:54,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:02:54,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:02:54,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:02:54,525 INFO L87 Difference]: Start difference. First operand 703 states and 845 transitions. Second operand 9 states. [2020-09-21 12:02:58,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:02:58,322 INFO L93 Difference]: Finished difference Result 1673 states and 2075 transitions. [2020-09-21 12:02:58,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 12:02:58,322 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-09-21 12:02:58,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:02:58,330 INFO L225 Difference]: With dead ends: 1673 [2020-09-21 12:02:58,330 INFO L226 Difference]: Without dead ends: 986 [2020-09-21 12:02:58,333 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-09-21 12:02:58,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2020-09-21 12:02:58,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 702. [2020-09-21 12:02:58,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2020-09-21 12:02:58,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 841 transitions. [2020-09-21 12:02:58,425 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 841 transitions. Word has length 58 [2020-09-21 12:02:58,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:02:58,425 INFO L479 AbstractCegarLoop]: Abstraction has 702 states and 841 transitions. [2020-09-21 12:02:58,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:02:58,426 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 841 transitions. [2020-09-21 12:02:58,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-09-21 12:02:58,431 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:02:58,432 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:02:58,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:02:58,432 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:02:58,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:02:58,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1087478551, now seen corresponding path program 1 times [2020-09-21 12:02:58,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:02:58,433 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1735830954] [2020-09-21 12:02:58,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:02:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:58,517 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:58,518 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:58,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:58,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:58,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-21 12:02:58,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:58,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:02:58,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:58,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:02:58,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-09-21 12:02:58,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-21 12:02:58,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:58,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:02:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:58,777 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:58,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:58,778 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:58,778 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:58,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:58,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:58,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:58,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:58,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:58,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:58,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:58,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:58,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:02:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:58,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:58,827 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:58,827 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:58,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:58,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:02:58,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:58,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 12:02:58,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:58,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:58,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:58,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:58,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:58,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:02:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:58,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:58,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:58,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:58,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:58,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:58,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:58,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:58,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:58,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:58,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:58,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:58,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:58,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:02:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:58,874 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:58,874 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:58,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:58,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:58,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:02:58,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:58,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:58,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:58,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:58,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:58,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:58,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:58,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:02:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:58,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:58,904 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:58,905 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:58,905 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:58,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:02:58,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:58,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:02:58,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:58,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:58,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:58,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:02:58,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:02:58,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:02:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:58,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:58,924 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:58,924 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:58,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:58,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:58,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:58,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:02:58,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:58,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:58,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:58,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:02:58,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:58,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:02:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:58,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:58,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:58,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:58,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:58,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:02:58,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:58,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:58,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:58,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:58,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:58,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:02:58,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:58,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:02:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:58,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:58,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:58,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:58,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:58,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:58,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:58,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:58,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:58,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:58,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:58,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:58,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:58,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:02:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:59,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:59,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:59,007 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:59,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:59,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 12:02:59,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:59,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:59,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:59,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:59,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:59,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 12:02:59,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:59,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:02:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:59,036 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:59,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:59,037 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:59,037 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:59,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:02:59,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:59,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:59,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:59,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:59,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:59,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:59,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:59,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:02:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:59,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:59,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:59,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:59,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:59,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:59,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:59,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:59,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:59,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:59,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:02:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:59,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:59,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:59,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:59,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:59,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:02:59,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:59,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:59,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:59,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:59,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:59,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:59,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:59,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 12:02:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:59,089 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:59,090 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:59,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:59,090 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:59,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:02:59,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:59,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:59,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:59,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:59,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:59,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:59,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:59,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:02:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:59,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:59,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:59,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:59,114 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:59,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:59,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:59,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:59,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:59,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:59,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:59,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:59,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:59,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:02:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:59,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:59,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:59,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:59,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:59,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:02:59,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:59,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:59,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:59,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:59,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:59,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:59,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:59,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 12:02:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:59,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:59,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:59,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:59,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:59,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:02:59,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:59,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:59,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:59,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:59,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:59,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 12:02:59,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:59,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:02:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:59,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:59,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:59,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:59,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:59,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:59,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:59,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:59,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:59,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:59,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:59,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:59,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:59,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-21 12:02:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:59,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:59,182 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:59,182 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:59,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:59,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:59,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:59,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:02:59,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:59,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:02:59,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:59,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:02:59,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:59,264 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-09-21 12:02:59,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1735830954] [2020-09-21 12:02:59,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:02:59,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 12:02:59,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741104631] [2020-09-21 12:02:59,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 12:02:59,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:02:59,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 12:02:59,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:02:59,268 INFO L87 Difference]: Start difference. First operand 702 states and 841 transitions. Second operand 11 states. [2020-09-21 12:02:59,381 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-09-21 12:03:03,662 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-09-21 12:03:03,808 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-21 12:03:03,937 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-21 12:03:04,120 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-09-21 12:03:06,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:03:06,408 INFO L93 Difference]: Finished difference Result 2461 states and 3145 transitions. [2020-09-21 12:03:06,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-21 12:03:06,408 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 108 [2020-09-21 12:03:06,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:03:06,420 INFO L225 Difference]: With dead ends: 2461 [2020-09-21 12:03:06,421 INFO L226 Difference]: Without dead ends: 1759 [2020-09-21 12:03:06,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-09-21 12:03:06,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1759 states. [2020-09-21 12:03:06,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1759 to 1485. [2020-09-21 12:03:06,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1485 states. [2020-09-21 12:03:06,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 1836 transitions. [2020-09-21 12:03:06,613 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 1836 transitions. Word has length 108 [2020-09-21 12:03:06,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:03:06,615 INFO L479 AbstractCegarLoop]: Abstraction has 1485 states and 1836 transitions. [2020-09-21 12:03:06,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 12:03:06,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1836 transitions. [2020-09-21 12:03:06,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-09-21 12:03:06,631 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:03:06,631 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:03:06,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:03:06,631 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:03:06,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:03:06,632 INFO L82 PathProgramCache]: Analyzing trace with hash -259596615, now seen corresponding path program 1 times [2020-09-21 12:03:06,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:03:06,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [209266025] [2020-09-21 12:03:06,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:03:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:06,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:06,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:06,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:06,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:06,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-21 12:03:06,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:06,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:03:06,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:06,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:06,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-09-21 12:03:06,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:03:06,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:06,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:06,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:06,863 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:06,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:06,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:06,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:06,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:06,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:03:06,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:06,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:06,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:06,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:06,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 12:03:06,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:06,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:06,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:06,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:06,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:06,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:03:06,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:06,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:06,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:06,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:06,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:06,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:06,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:06,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:06,957 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:06,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:06,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:06,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:06,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:06,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:06,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:06,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:06,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:06,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:06,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:06,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:06,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:06,971 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:06,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:06,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:06,972 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:06,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:06,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:06,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:06,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:06,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:06,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:06,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:06,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:06,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:03:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:06,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:06,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:06,992 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:06,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:06,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:03:06,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:06,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:06,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:06,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:06,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:06,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:06,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:07,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:07,002 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:07,002 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:07,002 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:07,002 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:07,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:07,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:07,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:07,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:07,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:07,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:07,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:07,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:07,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:03:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:07,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:07,040 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:07,040 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:07,040 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:07,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 12:03:07,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:07,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:07,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:07,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:07,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-21 12:03:07,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:07,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:07,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:07,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:07,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:07,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:07,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:07,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:07,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:07,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:07,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:07,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:07,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:07,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:07,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:07,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:03:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:07,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:07,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:07,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:07,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:07,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:07,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:07,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:07,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:07,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:07,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:07,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:07,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:07,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 12:03:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:07,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:07,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:07,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:07,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:07,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-21 12:03:07,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:07,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:07,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:07,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:07,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:07,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:07,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:07,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:07,128 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:07,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:07,129 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:07,129 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:07,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:03:07,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:07,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:07,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:07,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:07,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:07,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:07,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:07,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-21 12:03:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:07,147 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:07,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:07,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:07,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:07,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:03:07,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:07,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:07,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:07,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:07,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 12:03:07,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:07,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:07,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:07,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:07,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:07,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:07,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:07,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:07,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:07,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:07,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:07,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:07,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:07,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:07,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:07,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-21 12:03:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:07,199 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:07,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:07,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:07,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:07,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 12:03:07,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:07,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:07,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:07,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:07,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-09-21 12:03:07,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:07,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:07,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:07,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:07,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:07,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:07,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:07,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:03:07,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:07,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:07,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:07,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:07,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:07,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:07,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:07,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:07,242 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:07,242 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:07,242 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:07,242 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:07,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:07,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:07,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:07,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:07,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:07,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:07,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:07,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:07,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:07,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:07,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:07,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:07,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:07,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:07,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:07,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:07,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:07,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:07,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:07,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:07,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:07,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 12:03:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:07,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:07,272 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:07,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:07,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:07,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:03:07,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:07,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:07,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:07,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:07,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:07,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:07,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:07,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:07,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:07,294 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:07,294 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:07,294 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:07,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:07,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:07,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:07,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:07,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:07,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:07,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:07,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:07,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:07,309 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:07,309 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:07,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:07,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:07,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:07,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:07,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:07,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:07,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:07,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:07,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:07,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:07,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-21 12:03:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:07,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:07,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:07,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:07,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:07,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:03:07,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:07,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:07,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:07,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:07,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:03:07,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:07,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:07,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:07,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:07,335 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:07,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:07,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:07,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:07,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:07,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:07,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:07,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:07,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:07,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:07,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:07,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-21 12:03:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:07,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:07,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:07,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:07,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:07,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:07,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:07,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:07,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:07,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:07,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:03:07,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:07,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:07,395 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-09-21 12:03:07,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [209266025] [2020-09-21 12:03:07,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:03:07,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 12:03:07,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177210595] [2020-09-21 12:03:07,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 12:03:07,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:03:07,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 12:03:07,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:03:07,397 INFO L87 Difference]: Start difference. First operand 1485 states and 1836 transitions. Second operand 10 states. [2020-09-21 12:03:07,774 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-09-21 12:03:10,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:03:10,661 INFO L93 Difference]: Finished difference Result 3329 states and 4231 transitions. [2020-09-21 12:03:10,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 12:03:10,662 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 150 [2020-09-21 12:03:10,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:03:10,678 INFO L225 Difference]: With dead ends: 3329 [2020-09-21 12:03:10,678 INFO L226 Difference]: Without dead ends: 1860 [2020-09-21 12:03:10,684 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-09-21 12:03:10,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2020-09-21 12:03:10,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1538. [2020-09-21 12:03:10,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1538 states. [2020-09-21 12:03:10,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1538 states and 1907 transitions. [2020-09-21 12:03:10,956 INFO L78 Accepts]: Start accepts. Automaton has 1538 states and 1907 transitions. Word has length 150 [2020-09-21 12:03:10,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:03:10,957 INFO L479 AbstractCegarLoop]: Abstraction has 1538 states and 1907 transitions. [2020-09-21 12:03:10,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 12:03:10,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 1907 transitions. [2020-09-21 12:03:10,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-09-21 12:03:10,964 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:03:10,964 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:03:10,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:03:10,965 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:03:10,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:03:10,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1453768121, now seen corresponding path program 2 times [2020-09-21 12:03:10,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:03:10,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1393838812] [2020-09-21 12:03:10,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:03:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-21 12:03:11,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:03:11,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:11,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-09-21 12:03:11,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 12:03:11,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:11,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:11,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:11,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:03:11,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:11,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,324 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,324 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,324 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,324 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:11,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:11,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:11,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:11,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:03:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:03:11,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:11,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:11,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:11,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:03:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,384 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:03:11,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:11,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,399 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,400 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,400 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:11,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:03:11,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:11,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:03:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,468 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,469 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 12:03:11,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:03:11,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:11,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 12:03:11,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:11,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,502 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,502 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,503 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,503 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:03:11,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:11,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:11,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:11,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:11,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:11,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 12:03:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:03:11,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:11,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,598 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,598 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:11,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:11,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,620 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:11,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:03:11,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:11,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 12:03:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,673 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,674 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,674 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,674 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 12:03:11,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-21 12:03:11,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:11,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,696 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:11,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:11,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:03:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:11,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:03:11,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:11,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 12:03:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,748 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,749 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-21 12:03:11,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:11,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,766 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,767 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,767 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,767 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:03:11,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:11,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-21 12:03:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:03:11,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:03:11,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:11,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,797 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:11,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:03:11,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:11,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:11,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-21 12:03:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:11,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:11,810 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:11,810 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:11,811 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:11,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:11,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:11,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:11,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:11,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:11,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:03:11,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:11,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:11,845 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-09-21 12:03:11,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1393838812] [2020-09-21 12:03:11,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:03:11,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 12:03:11,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450530244] [2020-09-21 12:03:11,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 12:03:11,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:03:11,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 12:03:11,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:03:11,853 INFO L87 Difference]: Start difference. First operand 1538 states and 1907 transitions. Second operand 10 states. [2020-09-21 12:03:16,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:03:16,781 INFO L93 Difference]: Finished difference Result 4901 states and 6213 transitions. [2020-09-21 12:03:16,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 12:03:16,781 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 150 [2020-09-21 12:03:16,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:03:16,803 INFO L225 Difference]: With dead ends: 4901 [2020-09-21 12:03:16,803 INFO L226 Difference]: Without dead ends: 3393 [2020-09-21 12:03:16,810 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-09-21 12:03:16,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3393 states. [2020-09-21 12:03:17,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3393 to 2814. [2020-09-21 12:03:17,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2814 states. [2020-09-21 12:03:17,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2814 states and 3446 transitions. [2020-09-21 12:03:17,143 INFO L78 Accepts]: Start accepts. Automaton has 2814 states and 3446 transitions. Word has length 150 [2020-09-21 12:03:17,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:03:17,144 INFO L479 AbstractCegarLoop]: Abstraction has 2814 states and 3446 transitions. [2020-09-21 12:03:17,144 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 12:03:17,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 3446 transitions. [2020-09-21 12:03:17,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-09-21 12:03:17,150 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:03:17,150 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:03:17,151 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:03:17,151 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:03:17,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:03:17,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1808070535, now seen corresponding path program 1 times [2020-09-21 12:03:17,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:03:17,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915593031] [2020-09-21 12:03:17,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:03:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,243 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,244 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-21 12:03:17,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:03:17,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:17,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 155 [2020-09-21 12:03:17,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:03:17,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:17,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,394 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,395 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:17,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:17,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:17,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:17,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,438 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,438 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:03:17,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:17,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:17,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:17,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:17,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:17,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:17,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:17,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:17,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:17,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:17,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:17,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,482 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,483 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,483 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:17,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:17,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:17,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:17,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:17,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:17,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:03:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,506 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:03:17,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:17,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:17,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:17,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:17,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:17,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,522 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,522 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,523 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,523 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:17,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:17,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:17,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:17,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:17,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:17,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:03:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:03:17,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:17,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:17,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:17,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:17,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:17,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:17,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:17,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:17,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:17,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:17,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:17,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:03:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 12:03:17,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:17,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:17,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:17,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:17,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:17,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:03:17,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:17,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:17,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:17,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:17,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:17,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:17,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:17,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:17,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:17,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:17,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:17,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:17,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:17,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:17,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:17,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:17,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:17,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 12:03:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,664 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:03:17,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:17,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:17,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:17,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:17,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:17,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,683 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,683 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:17,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:17,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:17,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:17,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:17,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:17,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,699 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,699 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,700 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,700 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:17,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:17,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:17,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:17,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:17,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:17,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-21 12:03:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,764 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,767 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 12:03:17,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:03:17,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:17,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-21 12:03:17,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:03:17,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:17,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,802 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:17,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:17,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:17,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:17,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:17,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:17,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:03:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:17,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:17,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:17,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:17,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:17,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:17,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 12:03:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,848 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-21 12:03:17,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:03:17,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:17,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:03:17,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:03:17,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:17,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:03:17,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:03:17,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:17,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:03:17,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:03:17,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:17,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-21 12:03:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:03:17,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:17,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:17,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:03:17,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:17,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:17,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,908 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,908 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,908 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:17,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:17,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:17,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:17,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:17,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:17,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-21 12:03:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:17,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:17,921 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:17,921 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:17,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:17,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:17,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:17,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 12:03:17,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:17,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:17,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:03:17,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:17,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:17,958 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-09-21 12:03:17,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915593031] [2020-09-21 12:03:17,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:03:17,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 12:03:17,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001794798] [2020-09-21 12:03:17,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 12:03:17,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:03:17,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 12:03:17,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:03:17,961 INFO L87 Difference]: Start difference. First operand 2814 states and 3446 transitions. Second operand 10 states. [2020-09-21 12:03:19,241 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-21 12:03:21,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:03:21,115 INFO L93 Difference]: Finished difference Result 4894 states and 6304 transitions. [2020-09-21 12:03:21,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:03:21,118 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 150 [2020-09-21 12:03:21,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:03:21,136 INFO L225 Difference]: With dead ends: 4894 [2020-09-21 12:03:21,136 INFO L226 Difference]: Without dead ends: 3362 [2020-09-21 12:03:21,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:03:21,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3362 states. [2020-09-21 12:03:21,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3362 to 2822. [2020-09-21 12:03:21,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2822 states. [2020-09-21 12:03:21,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2822 states to 2822 states and 3454 transitions. [2020-09-21 12:03:21,462 INFO L78 Accepts]: Start accepts. Automaton has 2822 states and 3454 transitions. Word has length 150 [2020-09-21 12:03:21,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:03:21,463 INFO L479 AbstractCegarLoop]: Abstraction has 2822 states and 3454 transitions. [2020-09-21 12:03:21,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 12:03:21,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2822 states and 3454 transitions. [2020-09-21 12:03:21,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-21 12:03:21,473 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:03:21,473 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:03:21,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:03:21,474 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:03:21,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:03:21,475 INFO L82 PathProgramCache]: Analyzing trace with hash 464652536, now seen corresponding path program 1 times [2020-09-21 12:03:21,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:03:21,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [217417821] [2020-09-21 12:03:21,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:03:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:21,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:21,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:21,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:21,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:21,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-09-21 12:03:21,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:21,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 12:03:21,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:21,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 12:03:21,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-09-21 12:03:21,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-21 12:03:21,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:21,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:21,848 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:21,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:21,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:21,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:21,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:21,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:21,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:03:21,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:21,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:21,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:21,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:21,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:21,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:21,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:21,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:21,886 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:21,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:21,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:03:21,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:21,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:21,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:21,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:21,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:21,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:21,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:21,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:21,911 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:21,911 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:21,911 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:21,912 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:21,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:21,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:21,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:21,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:21,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:21,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:21,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:21,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:21,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:21,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:21,930 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:21,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:21,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:21,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:21,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:21,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:21,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:21,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:21,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:21,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:21,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:21,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:03:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:21,953 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:21,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:21,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:21,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:21,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:03:21,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:21,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:03:21,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:21,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:21,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:21,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:03:21,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:21,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:21,977 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:21,978 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:21,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:21,978 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:21,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:21,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:21,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:03:21,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:21,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:21,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:21,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:03:21,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:21,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:03:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:22,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:22,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:22,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:22,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:22,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:03:22,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:22,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:22,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:03:22,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:22,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:22,017 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:22,017 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:22,018 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:22,018 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:22,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:22,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:22,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:22,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:22,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:22,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:22,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:22,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:22,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:03:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:22,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:22,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:22,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:22,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:22,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 12:03:22,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:22,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:03:22,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:22,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:22,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:22,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 12:03:22,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:22,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:22,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:22,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:22,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:22,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:22,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:03:22,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:22,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:22,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:22,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:22,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:22,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:22,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:22,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:22,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:22,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:22,129 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:22,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:22,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:22,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:22,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:22,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:22,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:22,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:22,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:22,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:22,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:22,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:22,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:22,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:22,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:22,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:22,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:22,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:22,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:22,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:22,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:22,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:22,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:22,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 12:03:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:22,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:22,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:22,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:22,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:22,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:03:22,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:22,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:03:22,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:22,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:22,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:22,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:22,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:22,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:22,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:22,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:22,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:22,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:22,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:22,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:22,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:22,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:22,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:22,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:22,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:22,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:22,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:22,204 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:22,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:22,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:22,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:22,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:22,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:22,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:22,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:22,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:22,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:22,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:22,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:22,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-21 12:03:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:22,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:22,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:22,303 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:22,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:22,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 12:03:22,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:22,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 12:03:22,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:22,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 12:03:22,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:03:22,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 12:03:22,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:22,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:22,388 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:22,388 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:22,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:22,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:22,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:22,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:22,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:22,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:22,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:22,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:22,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:03:22,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:22,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:03:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:22,413 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:22,413 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:22,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:22,414 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:22,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:22,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:22,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:22,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:22,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:22,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:22,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:03:22,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:22,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 12:03:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:22,470 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:22,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:22,471 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:22,471 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:22,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-21 12:03:22,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:22,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 12:03:22,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:22,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:03:22,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:03:22,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 12:03:22,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:22,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:22,529 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:22,529 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:22,529 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:22,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:22,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:03:22,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:22,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 12:03:22,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:22,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:03:22,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:03:22,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 12:03:22,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:22,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-21 12:03:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:22,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:22,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:22,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:22,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:22,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:03:22,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:22,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:22,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:22,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:22,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:03:22,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:22,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:22,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:22,610 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:22,610 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:22,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:22,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:22,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:22,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:22,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:22,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:22,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:22,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:22,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:22,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:22,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-21 12:03:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:22,624 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:22,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:22,625 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:22,625 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:22,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:22,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:22,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 12:03:22,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:22,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:22,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:03:22,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:22,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:22,665 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-09-21 12:03:22,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [217417821] [2020-09-21 12:03:22,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:03:22,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 12:03:22,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93821016] [2020-09-21 12:03:22,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 12:03:22,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:03:22,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 12:03:22,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:03:22,668 INFO L87 Difference]: Start difference. First operand 2822 states and 3454 transitions. Second operand 12 states. [2020-09-21 12:03:22,942 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-09-21 12:03:23,156 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-09-21 12:03:25,011 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-09-21 12:03:26,394 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-09-21 12:03:26,634 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-09-21 12:03:26,804 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-09-21 12:03:31,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:03:31,260 INFO L93 Difference]: Finished difference Result 6554 states and 8262 transitions. [2020-09-21 12:03:31,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-21 12:03:31,261 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 152 [2020-09-21 12:03:31,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:03:31,296 INFO L225 Difference]: With dead ends: 6554 [2020-09-21 12:03:31,296 INFO L226 Difference]: Without dead ends: 3762 [2020-09-21 12:03:31,313 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=179, Invalid=577, Unknown=0, NotChecked=0, Total=756 [2020-09-21 12:03:31,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3762 states. [2020-09-21 12:03:31,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3762 to 2770. [2020-09-21 12:03:31,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2770 states. [2020-09-21 12:03:31,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 3306 transitions. [2020-09-21 12:03:31,772 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 3306 transitions. Word has length 152 [2020-09-21 12:03:31,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:03:31,772 INFO L479 AbstractCegarLoop]: Abstraction has 2770 states and 3306 transitions. [2020-09-21 12:03:31,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 12:03:31,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3306 transitions. [2020-09-21 12:03:31,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-09-21 12:03:31,782 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:03:31,782 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:03:31,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:03:31,783 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:03:31,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:03:31,783 INFO L82 PathProgramCache]: Analyzing trace with hash 296697408, now seen corresponding path program 1 times [2020-09-21 12:03:31,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:03:31,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1409992968] [2020-09-21 12:03:31,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:03:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:32,281 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:32,282 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:32,282 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:32,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:32,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-09-21 12:03:32,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:32,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-09-21 12:03:32,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:32,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-21 12:03:32,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-09-21 12:03:32,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-09-21 12:03:32,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:32,581 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-09-21 12:03:32,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:32,588 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:32,588 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:32,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:32,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:32,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:32,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:32,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:32,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:32,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:32,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:32,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:32,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:32,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:32,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:32,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:32,638 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:32,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:32,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:03:32,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:32,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:32,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:32,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:32,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:32,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:32,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:32,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:32,675 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:32,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:32,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:32,676 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:32,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:32,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:32,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:32,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:32,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:32,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:32,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:32,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:32,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:32,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:32,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:32,693 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:32,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:32,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:32,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:32,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:32,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:32,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:32,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:32,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:32,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:32,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:03:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:32,724 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:32,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:32,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:32,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:32,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:03:32,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:32,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:03:32,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:32,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:32,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:32,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:03:32,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:32,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:32,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:32,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:32,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:32,747 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:32,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:32,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:32,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:03:32,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:32,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:32,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:32,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:03:32,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:32,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:03:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:32,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:32,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:32,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:32,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:32,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:03:32,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:32,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:03:32,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:32,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:32,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:32,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:03:32,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:32,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:32,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:32,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:32,786 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:32,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:32,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:32,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:32,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:32,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:32,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:32,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:32,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:32,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:32,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:03:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:32,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:32,863 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:32,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:32,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:32,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 12:03:32,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:32,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:03:32,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:32,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:32,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:32,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 12:03:32,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:32,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:32,905 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:32,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:32,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:32,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:32,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:03:32,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:32,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:32,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:32,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:32,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:32,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:32,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:32,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:32,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:32,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:32,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:32,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:32,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:32,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:32,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:32,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:32,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:32,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:32,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:32,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:32,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:32,947 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:32,947 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:32,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:32,948 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:32,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:32,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:32,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:32,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:32,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:32,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:32,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:32,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:32,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 12:03:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:32,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:32,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:32,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:32,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:32,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:03:32,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:32,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:32,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:32,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:32,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:32,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:32,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:32,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:32,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:32,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:32,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:32,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:32,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:32,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:32,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:32,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:32,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:32,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:32,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:32,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:03:32,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:33,000 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:33,000 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:33,001 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:33,001 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:33,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:33,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:33,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:33,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:33,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:33,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:33,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:33,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:33,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-21 12:03:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:33,283 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:33,284 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:33,284 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:33,285 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:33,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-21 12:03:33,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:33,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-09-21 12:03:33,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:33,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-21 12:03:33,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:03:33,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-21 12:03:33,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:33,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:33,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:33,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:33,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:33,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:33,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:33,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:33,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:03:33,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:33,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:33,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:33,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:03:33,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:33,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:03:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:33,449 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:33,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:33,450 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:33,450 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:33,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:33,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:33,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:03:33,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:33,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:33,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:03:33,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:33,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 12:03:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:33,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:33,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:33,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:33,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:33,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:33,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:33,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:03:33,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:33,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:33,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:33,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:03:33,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:33,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:03:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:33,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:33,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:33,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:33,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:33,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-09-21 12:03:33,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:33,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-21 12:03:33,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:33,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 12:03:33,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:03:33,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-21 12:03:33,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:33,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:33,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:33,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:33,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:33,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:33,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-21 12:03:33,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:33,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 12:03:33,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:33,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 12:03:33,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:03:33,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 12:03:33,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:33,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:33,869 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:33,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:33,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:33,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:33,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-21 12:03:33,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:33,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 12:03:33,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:33,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 12:03:33,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:03:33,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 12:03:33,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:33,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:33,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:33,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:33,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:33,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:33,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 12:03:33,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:33,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 12:03:33,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:33,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:03:33,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:03:33,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-21 12:03:33,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:34,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:34,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:34,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:34,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:34,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:34,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:03:34,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:34,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:03:34,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:34,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:03:34,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:34,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 12:03:34,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:34,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:34,060 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:34,060 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:34,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:34,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:34,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:34,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:34,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:34,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:34,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:34,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:34,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:34,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:34,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:03:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:34,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:34,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:34,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:34,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:34,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:03:34,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:34,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:34,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:34,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:34,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:34,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:34,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:34,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:03:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:34,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:34,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:34,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:34,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:34,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:03:34,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:34,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:03:34,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:34,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:03:34,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:03:34,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:03:34,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:34,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-09-21 12:03:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:34,231 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:34,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:34,232 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:34,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:34,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 12:03:34,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:34,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 12:03:34,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:34,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:03:34,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:03:34,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 12:03:34,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:34,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:03:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:34,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:34,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:34,296 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:34,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:34,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 12:03:34,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:34,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:03:34,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:34,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:03:34,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:03:34,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:03:34,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:34,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-21 12:03:34,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:34,371 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:34,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:34,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:34,372 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:34,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:03:34,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:34,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:34,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:34,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:34,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:03:34,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:34,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:34,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:03:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:34,393 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:34,394 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:34,394 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:34,394 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:34,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:34,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:34,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:03:34,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:34,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:34,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:03:34,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:34,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:34,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-21 12:03:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:03:34,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:03:34,414 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:03:34,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:03:34,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:03:34,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:03:34,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:03:34,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:03:34,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:03:34,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:03:34,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:03:34,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:03:34,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:03:34,531 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-09-21 12:03:34,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1409992968] [2020-09-21 12:03:34,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:03:34,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-21 12:03:34,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568641005] [2020-09-21 12:03:34,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 12:03:34,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:03:34,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 12:03:34,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-09-21 12:03:34,535 INFO L87 Difference]: Start difference. First operand 2770 states and 3306 transitions. Second operand 14 states. [2020-09-21 12:03:34,664 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-09-21 12:03:35,004 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-09-21 12:03:35,327 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96