/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -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-adbd35c [2020-10-13 00:51:53,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 00:51:53,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 00:51:53,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 00:51:53,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 00:51:53,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 00:51:53,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 00:51:53,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 00:51:53,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 00:51:53,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 00:51:53,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 00:51:53,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 00:51:53,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 00:51:53,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 00:51:53,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 00:51:53,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 00:51:53,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 00:51:53,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 00:51:53,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 00:51:53,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 00:51:53,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 00:51:53,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 00:51:53,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 00:51:53,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 00:51:53,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 00:51:53,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 00:51:53,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 00:51:53,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 00:51:53,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 00:51:53,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 00:51:53,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 00:51:53,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 00:51:53,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 00:51:53,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 00:51:53,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 00:51:53,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 00:51:53,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 00:51:53,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 00:51:53,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 00:51:53,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 00:51:53,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 00:51:53,228 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-13 00:51:53,254 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 00:51:53,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 00:51:53,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 00:51:53,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 00:51:53,259 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 00:51:53,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 00:51:53,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 00:51:53,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 00:51:53,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 00:51:53,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 00:51:53,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 00:51:53,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 00:51:53,260 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 00:51:53,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 00:51:53,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 00:51:53,261 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 00:51:53,263 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 00:51:53,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 00:51:53,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 00:51:53,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 00:51:53,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 00:51:53,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 00:51:53,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 00:51:53,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 00:51:53,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 00:51:53,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 00:51:53,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 00:51:53,265 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 00:51:53,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 00:51:53,620 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 00:51:53,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 00:51:53,627 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 00:51:53,628 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 00:51:53,629 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-10-13 00:51:53,691 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61128c461/92fad2a0af4f44588109971d7a537f06/FLAGfeb287966 [2020-10-13 00:51:54,427 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 00:51:54,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-10-13 00:51:54,459 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61128c461/92fad2a0af4f44588109971d7a537f06/FLAGfeb287966 [2020-10-13 00:51:54,489 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61128c461/92fad2a0af4f44588109971d7a537f06 [2020-10-13 00:51:54,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 00:51:54,501 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 00:51:54,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 00:51:54,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 00:51:54,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 00:51:54,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:51:54" (1/1) ... [2020-10-13 00:51:54,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fae11f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:54, skipping insertion in model container [2020-10-13 00:51:54,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:51:54" (1/1) ... [2020-10-13 00:51:54,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 00:51:54,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 00:51:55,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 00:51:55,972 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 00:51:56,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 00:51:56,405 INFO L208 MainTranslator]: Completed translation [2020-10-13 00:51:56,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:56 WrapperNode [2020-10-13 00:51:56,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 00:51:56,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 00:51:56,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 00:51:56,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 00:51:56,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:56" (1/1) ... [2020-10-13 00:51:56,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:56" (1/1) ... [2020-10-13 00:51:56,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:56" (1/1) ... [2020-10-13 00:51:56,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:56" (1/1) ... [2020-10-13 00:51:56,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:56" (1/1) ... [2020-10-13 00:51:56,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:56" (1/1) ... [2020-10-13 00:51:56,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:56" (1/1) ... [2020-10-13 00:51:56,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 00:51:56,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 00:51:56,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 00:51:56,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 00:51:56,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 00:51:56,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 00:51:56,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 00:51:56,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-10-13 00:51:56,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-13 00:51:56,730 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-13 00:51:56,730 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-13 00:51:56,731 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-13 00:51:56,731 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-10-13 00:51:56,731 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2020-10-13 00:51:56,731 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_share_check [2020-10-13 00:51:56,731 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-10-13 00:51:56,732 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-10-13 00:51:56,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2020-10-13 00:51:56,732 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow [2020-10-13 00:51:56,732 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 00:51:56,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2020-10-13 00:51:56,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 00:51:56,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-13 00:51:56,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-13 00:51:56,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-13 00:51:56,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 00:51:56,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-13 00:51:56,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 00:51:56,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-13 00:51:56,735 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-13 00:51:56,735 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-13 00:51:56,735 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_off [2020-10-13 00:51:56,735 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2020-10-13 00:51:56,735 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2020-10-13 00:51:56,735 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connect_disconnect [2020-10-13 00:51:56,736 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connected [2020-10-13 00:51:56,736 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_disconnected [2020-10-13 00:51:56,736 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_indication [2020-10-13 00:51:56,736 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_transmit [2020-10-13 00:51:56,736 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_xmit [2020-10-13 00:51:56,736 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_open [2020-10-13 00:51:56,736 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_close [2020-10-13 00:51:56,737 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_rx [2020-10-13 00:51:56,737 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_ioctl [2020-10-13 00:51:56,737 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_init [2020-10-13 00:51:56,737 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_exit [2020-10-13 00:51:56,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hdlc_proto_1 [2020-10-13 00:51:56,737 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 00:51:56,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-13 00:51:56,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-13 00:51:56,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-13 00:51:56,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-13 00:51:56,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-13 00:51:56,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2020-10-13 00:51:56,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-10-13 00:51:56,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2020-10-13 00:51:56,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-13 00:51:56,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-13 00:51:56,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-13 00:51:56,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-13 00:51:56,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-13 00:51:56,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-13 00:51:56,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-13 00:51:56,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-13 00:51:56,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-13 00:51:56,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-13 00:51:56,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 00:51:56,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-13 00:51:56,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-13 00:51:56,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-13 00:51:56,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-13 00:51:56,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-13 00:51:56,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 00:51:56,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-10-13 00:51:56,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-10-13 00:51:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_hdlc_protocol [2020-10-13 00:51:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-10-13 00:51:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_connect_request [2020-10-13 00:51:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_received [2020-10-13 00:51:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_request [2020-10-13 00:51:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_disconnect_request [2020-10-13 00:51:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_register [2020-10-13 00:51:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_unregister [2020-10-13 00:51:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2020-10-13 00:51:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-10-13 00:51:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-10-13 00:51:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure register_hdlc_protocol [2020-10-13 00:51:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-13 00:51:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-13 00:51:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-13 00:51:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-13 00:51:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_protocol [2020-10-13 00:51:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 00:51:56,744 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-13 00:51:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 00:51:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 00:51:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-13 00:51:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-10-13 00:51:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-13 00:51:56,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 00:51:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-13 00:51:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-13 00:51:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-13 00:51:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-13 00:51:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-13 00:51:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-13 00:51:56,746 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-13 00:51:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-10-13 00:51:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-13 00:51:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 00:51:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-10-13 00:51:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2020-10-13 00:51:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure skb_share_check [2020-10-13 00:51:56,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 00:51:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-13 00:51:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-13 00:51:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-13 00:51:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-10-13 00:51:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-10-13 00:51:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 00:51:56,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2020-10-13 00:51:56,749 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2020-10-13 00:51:56,749 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow [2020-10-13 00:51:56,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-13 00:51:56,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-13 00:51:56,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-13 00:51:56,749 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 00:51:56,749 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 00:51:56,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 00:51:56,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 00:51:56,750 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 00:51:56,750 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 00:51:56,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2020-10-13 00:51:56,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 00:51:56,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-13 00:51:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 00:51:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 00:51:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-13 00:51:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-13 00:51:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 00:51:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-13 00:51:56,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-13 00:51:56,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hdlc_proto_1 [2020-10-13 00:51:56,752 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-13 00:51:56,752 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-10-13 00:51:56,752 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-13 00:51:56,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-10-13 00:51:56,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2020-10-13 00:51:56,753 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2020-10-13 00:51:56,753 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_off [2020-10-13 00:51:56,753 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-10-13 00:51:56,753 INFO L130 BoogieDeclarations]: Found specification of procedure register_hdlc_protocol [2020-10-13 00:51:56,753 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_protocol [2020-10-13 00:51:56,753 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2020-10-13 00:51:56,754 INFO L130 BoogieDeclarations]: Found specification of procedure attach_hdlc_protocol [2020-10-13 00:51:56,754 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_register [2020-10-13 00:51:56,754 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_unregister [2020-10-13 00:51:56,754 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_connect_request [2020-10-13 00:51:56,754 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_disconnect_request [2020-10-13 00:51:56,754 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_request [2020-10-13 00:51:56,754 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_received [2020-10-13 00:51:56,755 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2020-10-13 00:51:56,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 00:51:56,755 INFO L130 BoogieDeclarations]: Found specification of procedure x25_ioctl [2020-10-13 00:51:56,755 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connect_disconnect [2020-10-13 00:51:56,755 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connected [2020-10-13 00:51:56,755 INFO L130 BoogieDeclarations]: Found specification of procedure x25_disconnected [2020-10-13 00:51:56,755 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_indication [2020-10-13 00:51:56,756 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_transmit [2020-10-13 00:51:56,756 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-10-13 00:51:56,756 INFO L130 BoogieDeclarations]: Found specification of procedure x25_xmit [2020-10-13 00:51:56,756 INFO L130 BoogieDeclarations]: Found specification of procedure x25_open [2020-10-13 00:51:56,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 00:51:56,756 INFO L130 BoogieDeclarations]: Found specification of procedure x25_close [2020-10-13 00:51:56,756 INFO L130 BoogieDeclarations]: Found specification of procedure x25_rx [2020-10-13 00:51:56,756 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-13 00:51:56,757 INFO L130 BoogieDeclarations]: Found specification of procedure mod_init [2020-10-13 00:51:56,757 INFO L130 BoogieDeclarations]: Found specification of procedure mod_exit [2020-10-13 00:51:56,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 00:51:56,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 00:51:56,757 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 00:51:56,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-13 00:51:56,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-13 00:51:56,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-13 00:51:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-13 00:51:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-13 00:51:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-13 00:51:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-13 00:51:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-13 00:51:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-13 00:51:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-13 00:51:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-13 00:51:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-13 00:51:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 00:51:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 00:51:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 00:51:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 00:51:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 00:51:56,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 00:51:57,288 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-13 00:51:58,056 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 00:51:58,056 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-13 00:51:58,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:51:58 BoogieIcfgContainer [2020-10-13 00:51:58,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 00:51:58,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 00:51:58,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 00:51:58,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 00:51:58,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:51:54" (1/3) ... [2020-10-13 00:51:58,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54dec08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:51:58, skipping insertion in model container [2020-10-13 00:51:58,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:56" (2/3) ... [2020-10-13 00:51:58,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54dec08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:51:58, skipping insertion in model container [2020-10-13 00:51:58,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:51:58" (3/3) ... [2020-10-13 00:51:58,078 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 [2020-10-13 00:51:58,089 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 00:51:58,101 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 00:51:58,113 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 00:51:58,140 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 00:51:58,140 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 00:51:58,140 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 00:51:58,140 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 00:51:58,140 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 00:51:58,141 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 00:51:58,141 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 00:51:58,141 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 00:51:58,169 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states. [2020-10-13 00:51:58,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-13 00:51:58,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 00:51:58,181 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] [2020-10-13 00:51:58,182 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 00:51:58,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 00:51:58,188 INFO L82 PathProgramCache]: Analyzing trace with hash 856791813, now seen corresponding path program 1 times [2020-10-13 00:51:58,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 00:51:58,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [380459175] [2020-10-13 00:51:58,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 00:51:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:58,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:58,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:59,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:59,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 00:51:59,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:51:59,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 767 [2020-10-13 00:51:59,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:59,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 00:51:59,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-13 00:51:59,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 00:51:59,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 00:51:59,483 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-13 00:51:59,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:51:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:59,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:59,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:59,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:51:59,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:59,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 00:51:59,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:59,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:59,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:59,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:59,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:59,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:51:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:59,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:59,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:59,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 00:51:59,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:59,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 00:51:59,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:59,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:59,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:59,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:59,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:59,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:51:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:59,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:59,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:59,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:51:59,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:59,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 00:51:59,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:59,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:59,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:59,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:59,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:51:59,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:51:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:59,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:59,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:59,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:51:59,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:59,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 00:51:59,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:59,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:59,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:59,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:59,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:59,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 00:51:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:59,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:59,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:59,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:51:59,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:59,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 00:51:59,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:59,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:51:59,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:59,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 00:51:59,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:59,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:51:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:59,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:59,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:59,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:51:59,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:59,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 00:51:59,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:59,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:51:59,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:59,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 00:51:59,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:51:59,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 00:51:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:59,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:59,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:59,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:51:59,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:59,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 00:51:59,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:59,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:51:59,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:59,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 00:51:59,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:59,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:51:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:59,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:59,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:59,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:51:59,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:59,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 00:51:59,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:59,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:51:59,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:59,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:51:59,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:51:59,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 00:51:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:51:59,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:51:59,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:51:59,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:51:59,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:51:59,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 00:51:59,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:51:59,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 00:51:59,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:51:59,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 00:51:59,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 00:51:59,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 00:51:59,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [380459175] [2020-10-13 00:51:59,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 00:51:59,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 00:51:59,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328978911] [2020-10-13 00:51:59,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 00:51:59,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 00:51:59,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 00:51:59,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-13 00:51:59,946 INFO L87 Difference]: Start difference. First operand 477 states. Second operand 10 states. [2020-10-13 00:52:00,113 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-13 00:52:01,666 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2020-10-13 00:52:06,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 00:52:06,948 INFO L93 Difference]: Finished difference Result 1330 states and 1794 transitions. [2020-10-13 00:52:06,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 00:52:06,951 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2020-10-13 00:52:06,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 00:52:06,976 INFO L225 Difference]: With dead ends: 1330 [2020-10-13 00:52:06,976 INFO L226 Difference]: Without dead ends: 908 [2020-10-13 00:52:06,985 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2020-10-13 00:52:07,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2020-10-13 00:52:07,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 771. [2020-10-13 00:52:07,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2020-10-13 00:52:07,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 953 transitions. [2020-10-13 00:52:07,176 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 953 transitions. Word has length 54 [2020-10-13 00:52:07,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 00:52:07,177 INFO L479 AbstractCegarLoop]: Abstraction has 771 states and 953 transitions. [2020-10-13 00:52:07,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 00:52:07,177 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 953 transitions. [2020-10-13 00:52:07,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-13 00:52:07,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 00:52:07,186 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-10-13 00:52:07,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 00:52:07,187 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 00:52:07,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 00:52:07,188 INFO L82 PathProgramCache]: Analyzing trace with hash 525242581, now seen corresponding path program 1 times [2020-10-13 00:52:07,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 00:52:07,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693071644] [2020-10-13 00:52:07,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 00:52:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:07,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:07,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:07,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:07,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:08,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:10,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:10,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 00:52:10,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 00:52:10,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3217 [2020-10-13 00:52:10,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:10,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 00:52:10,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 00:52:10,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-13 00:52:10,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:10,602 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-13 00:52:10,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:52:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:10,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:10,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:10,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:10,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:10,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 00:52:10,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:10,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:10,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:10,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 00:52:10,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:10,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:52:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:10,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:10,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:10,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 00:52:10,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:10,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 00:52:10,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:10,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:10,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:10,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 00:52:10,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:10,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:10,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:10,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:10,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:10,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:10,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 00:52:10,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:10,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:10,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:10,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:10,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:10,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:52:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:10,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:10,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:10,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:52:10,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:10,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 00:52:10,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:10,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:10,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:10,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:10,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:10,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 00:52:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:10,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:10,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:10,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:52:10,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:10,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 00:52:10,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:10,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:10,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 00:52:10,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:10,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:52:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:10,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:10,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:10,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:10,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:10,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 00:52:10,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:10,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:10,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:10,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:10,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:10,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 00:52:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:10,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:10,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:11,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:11,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 00:52:11,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:52:11,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-13 00:52:11,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:11,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 00:52:11,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 00:52:11,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 00:52:11,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:11,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:11,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:11,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:11,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:52:11,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:11,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 00:52:11,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:11,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 00:52:11,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:11,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 00:52:11,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:11,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 00:52:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:11,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:11,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:11,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:52:11,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:11,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 00:52:11,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:11,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:11,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:11,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 00:52:11,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:11,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-13 00:52:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:11,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:11,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:11,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:11,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 00:52:11,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:52:11,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 00:52:11,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:11,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:11,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 00:52:11,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 00:52:11,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:11,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:11,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:11,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:11,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 00:52:11,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:11,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 00:52:11,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:11,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:11,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 00:52:11,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 00:52:11,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:11,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 00:52:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:11,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:11,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:11,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:52:11,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:11,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 00:52:11,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:11,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:11,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 00:52:11,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:11,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:11,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:52:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:11,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:11,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:11,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:11,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:11,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 00:52:11,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:11,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:11,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:11,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:11,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:11,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 00:52:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:11,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:11,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:11,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:11,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:11,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 00:52:11,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:11,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:11,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 00:52:11,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:11,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:11,304 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-13 00:52:11,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693071644] [2020-10-13 00:52:11,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 00:52:11,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 00:52:11,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546327117] [2020-10-13 00:52:11,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 00:52:11,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 00:52:11,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 00:52:11,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-10-13 00:52:11,310 INFO L87 Difference]: Start difference. First operand 771 states and 953 transitions. Second operand 14 states. [2020-10-13 00:52:11,861 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-13 00:52:12,002 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-13 00:52:18,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 00:52:18,572 INFO L93 Difference]: Finished difference Result 2535 states and 3355 transitions. [2020-10-13 00:52:18,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-13 00:52:18,573 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 96 [2020-10-13 00:52:18,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 00:52:18,585 INFO L225 Difference]: With dead ends: 2535 [2020-10-13 00:52:18,585 INFO L226 Difference]: Without dead ends: 1486 [2020-10-13 00:52:18,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=341, Invalid=1299, Unknown=0, NotChecked=0, Total=1640 [2020-10-13 00:52:18,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2020-10-13 00:52:18,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1250. [2020-10-13 00:52:18,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-10-13 00:52:18,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1541 transitions. [2020-10-13 00:52:18,732 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1541 transitions. Word has length 96 [2020-10-13 00:52:18,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 00:52:18,733 INFO L479 AbstractCegarLoop]: Abstraction has 1250 states and 1541 transitions. [2020-10-13 00:52:18,733 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 00:52:18,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1541 transitions. [2020-10-13 00:52:18,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-13 00:52:18,738 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 00:52:18,738 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 00:52:18,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 00:52:18,738 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 00:52:18,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 00:52:18,739 INFO L82 PathProgramCache]: Analyzing trace with hash -788409240, now seen corresponding path program 1 times [2020-10-13 00:52:18,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 00:52:18,739 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [28968813] [2020-10-13 00:52:18,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 00:52:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:18,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:18,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:18,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:20,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:20,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:22,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:23,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:23,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-13 00:52:23,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 00:52:23,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 00:52:23,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:23,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 00:52:23,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-13 00:52:23,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-13 00:52:23,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:23,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:52:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:23,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:23,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:23,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:23,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:23,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 00:52:23,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:23,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:23,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:23,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:23,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:23,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:52:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:23,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:23,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:23,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 00:52:23,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:23,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 00:52:23,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:23,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:23,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:23,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:23,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:23,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:23,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:23,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:23,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:23,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:23,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 00:52:23,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:23,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:23,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:23,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:23,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:23,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:52:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:23,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:23,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:23,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:52:23,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:23,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 00:52:23,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:23,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:23,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:23,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:23,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:23,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 00:52:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:24,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:24,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:24,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:52:24,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:24,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 00:52:24,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:24,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:24,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:24,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 00:52:24,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:24,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:52:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:24,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:24,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:24,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:24,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:24,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 00:52:24,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:24,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:24,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:24,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 00:52:24,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:24,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 00:52:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:24,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:24,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:24,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:24,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-13 00:52:24,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:52:24,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 746 [2020-10-13 00:52:24,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:24,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 00:52:24,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:52:24,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-13 00:52:24,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:24,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:24,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:25,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:25,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:25,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 00:52:25,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:52:25,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 593 [2020-10-13 00:52:25,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:25,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 00:52:25,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:52:25,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-13 00:52:25,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:25,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 00:52:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:25,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:25,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:25,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 00:52:25,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:25,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 00:52:25,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:25,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:25,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:25,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 00:52:25,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:25,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:25,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:25,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:25,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:25,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:25,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 00:52:25,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:25,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:25,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:25,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:25,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:25,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 00:52:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:25,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:25,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:25,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 00:52:25,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:25,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 00:52:25,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:25,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 00:52:25,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:25,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:25,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:25,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:25,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:52:25,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:25,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 00:52:25,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:25,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:25,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:25,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:25,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:25,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 00:52:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:25,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:25,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:25,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:25,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:25,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 00:52:25,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:25,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:25,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:25,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 00:52:25,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:25,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 00:52:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:25,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:25,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:25,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:25,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 00:52:25,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:52:25,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-13 00:52:25,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:25,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 00:52:25,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:52:25,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-13 00:52:25,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:25,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:25,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:25,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:25,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:25,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 00:52:25,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:52:25,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-13 00:52:25,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:25,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 00:52:25,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:52:25,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 00:52:25,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:25,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:25,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:25,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:26,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:26,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 00:52:26,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:52:26,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-13 00:52:26,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:26,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 00:52:26,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:52:26,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 00:52:26,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:26,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 00:52:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:26,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:26,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:26,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:52:26,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:26,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 00:52:26,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:26,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:26,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 00:52:26,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:26,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:26,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:52:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:26,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:26,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:26,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:26,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:26,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:52:26,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:26,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:26,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:26,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:26,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:26,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 00:52:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:26,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:26,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:26,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:26,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:26,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 00:52:26,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:26,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:26,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 00:52:26,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:26,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:26,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 00:52:26,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [28968813] [2020-10-13 00:52:26,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 00:52:26,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-13 00:52:26,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5906187] [2020-10-13 00:52:26,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 00:52:26,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 00:52:26,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 00:52:26,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-10-13 00:52:26,234 INFO L87 Difference]: Start difference. First operand 1250 states and 1541 transitions. Second operand 14 states. [2020-10-13 00:52:28,188 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2020-10-13 00:52:28,405 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 107 [2020-10-13 00:52:29,942 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-10-13 00:52:30,148 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-10-13 00:52:30,379 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-10-13 00:52:30,622 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2020-10-13 00:52:33,276 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2020-10-13 00:52:34,125 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2020-10-13 00:52:34,365 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2020-10-13 00:52:35,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 00:52:35,973 INFO L93 Difference]: Finished difference Result 2312 states and 2944 transitions. [2020-10-13 00:52:35,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-13 00:52:35,974 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 124 [2020-10-13 00:52:35,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 00:52:35,985 INFO L225 Difference]: With dead ends: 2312 [2020-10-13 00:52:35,985 INFO L226 Difference]: Without dead ends: 1644 [2020-10-13 00:52:35,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 36 SyntacticMatches, 5 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=410, Invalid=1396, Unknown=0, NotChecked=0, Total=1806 [2020-10-13 00:52:35,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2020-10-13 00:52:36,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 1349. [2020-10-13 00:52:36,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1349 states. [2020-10-13 00:52:36,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 1666 transitions. [2020-10-13 00:52:36,111 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 1666 transitions. Word has length 124 [2020-10-13 00:52:36,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 00:52:36,111 INFO L479 AbstractCegarLoop]: Abstraction has 1349 states and 1666 transitions. [2020-10-13 00:52:36,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 00:52:36,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1666 transitions. [2020-10-13 00:52:36,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-13 00:52:36,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 00:52:36,115 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 00:52:36,116 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 00:52:36,116 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 00:52:36,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 00:52:36,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1136464503, now seen corresponding path program 1 times [2020-10-13 00:52:36,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 00:52:36,117 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [966689935] [2020-10-13 00:52:36,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 00:52:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:36,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:36,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:36,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:36,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:39,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:40,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:40,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 00:52:40,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 00:52:40,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4448 [2020-10-13 00:52:40,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 00:52:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-13 00:52:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-13 00:52:40,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:40,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:52:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:40,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:40,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:40,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:40,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:40,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 00:52:40,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:40,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:40,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:40,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:40,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:40,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:52:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:40,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:40,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:40,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 00:52:40,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:40,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 00:52:40,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:40,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:40,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:40,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:40,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:40,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:40,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:40,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:40,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:40,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:40,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 00:52:40,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:40,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:40,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:40,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:40,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:40,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:52:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:40,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:40,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:40,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:52:40,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:40,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 00:52:40,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:40,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:40,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:40,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:40,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:40,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 00:52:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:40,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:40,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:40,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:52:40,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:40,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 00:52:40,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:40,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:40,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:40,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 00:52:40,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:40,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:52:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:40,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:40,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:40,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:40,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:40,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 00:52:40,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:40,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:40,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:40,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 00:52:40,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:40,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 00:52:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:40,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:40,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:41,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:41,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-13 00:52:41,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:52:41,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 617 [2020-10-13 00:52:41,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:41,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 00:52:41,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:52:41,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-13 00:52:41,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:41,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:41,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:41,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:42,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:42,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-13 00:52:42,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:52:42,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 625 [2020-10-13 00:52:42,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:42,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-13 00:52:42,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:52:42,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 00:52:42,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:42,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 00:52:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:42,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:42,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:42,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 00:52:42,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:42,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 00:52:42,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:42,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:42,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:42,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 00:52:42,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:42,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:42,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:42,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:42,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:42,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:42,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 00:52:42,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:42,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:42,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:42,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:42,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:42,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 00:52:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:42,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:42,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:42,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 00:52:42,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:42,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 00:52:42,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:42,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:42,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:42,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 00:52:42,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:42,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:42,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:42,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:42,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:52:42,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:42,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 00:52:42,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:42,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:42,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:42,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:42,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:42,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 00:52:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:42,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:42,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:42,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:42,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:42,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 00:52:42,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:42,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:42,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:42,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 00:52:42,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:42,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 00:52:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:42,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:42,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:42,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:42,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 00:52:42,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:52:42,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-13 00:52:42,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:42,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 00:52:42,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:52:42,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 00:52:42,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:42,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:42,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:42,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:42,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:42,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 00:52:42,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:52:42,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-13 00:52:42,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:42,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 00:52:42,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:52:42,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 00:52:42,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:42,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:42,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:42,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:42,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:42,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 00:52:42,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:52:42,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-13 00:52:42,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:42,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 00:52:42,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:52:42,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 00:52:42,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:42,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 00:52:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:42,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:42,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:42,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:52:42,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:42,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 00:52:42,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:42,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 00:52:42,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:42,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:42,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:52:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:42,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:42,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:42,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:42,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:42,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:52:42,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:42,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:42,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 00:52:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:42,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:42,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:42,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:42,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:42,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 00:52:42,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:42,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:42,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 00:52:42,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:42,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:43,026 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 00:52:43,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [966689935] [2020-10-13 00:52:43,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 00:52:43,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-13 00:52:43,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311288737] [2020-10-13 00:52:43,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-13 00:52:43,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 00:52:43,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-13 00:52:43,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2020-10-13 00:52:43,030 INFO L87 Difference]: Start difference. First operand 1349 states and 1666 transitions. Second operand 16 states. [2020-10-13 00:52:45,171 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-10-13 00:52:46,870 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-10-13 00:52:47,095 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2020-10-13 00:52:47,343 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-10-13 00:52:47,557 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2020-10-13 00:52:47,767 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-10-13 00:52:47,998 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2020-10-13 00:52:48,190 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-10-13 00:52:48,456 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2020-10-13 00:52:53,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 00:52:53,807 INFO L93 Difference]: Finished difference Result 2894 states and 3734 transitions. [2020-10-13 00:52:53,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-13 00:52:53,808 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 127 [2020-10-13 00:52:53,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 00:52:53,818 INFO L225 Difference]: With dead ends: 2894 [2020-10-13 00:52:53,819 INFO L226 Difference]: Without dead ends: 1561 [2020-10-13 00:52:53,823 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 36 SyntacticMatches, 4 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 511 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=402, Invalid=1578, Unknown=0, NotChecked=0, Total=1980 [2020-10-13 00:52:53,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1561 states. [2020-10-13 00:52:53,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1561 to 1151. [2020-10-13 00:52:53,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1151 states. [2020-10-13 00:52:53,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1430 transitions. [2020-10-13 00:52:53,946 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1430 transitions. Word has length 127 [2020-10-13 00:52:53,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 00:52:53,947 INFO L479 AbstractCegarLoop]: Abstraction has 1151 states and 1430 transitions. [2020-10-13 00:52:53,947 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-13 00:52:53,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1430 transitions. [2020-10-13 00:52:53,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-13 00:52:53,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 00:52:53,952 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, 1] [2020-10-13 00:52:53,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 00:52:53,952 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 00:52:53,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 00:52:53,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1002957910, now seen corresponding path program 1 times [2020-10-13 00:52:53,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 00:52:53,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [225420293] [2020-10-13 00:52:53,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 00:52:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:54,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:54,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:54,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:57,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:57,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-13 00:52:57,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 00:52:57,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3895 [2020-10-13 00:52:57,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:57,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-13 00:52:57,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-13 00:52:57,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 186 [2020-10-13 00:52:57,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:58,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:52:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:58,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:58,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:58,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:58,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:58,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 00:52:58,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:58,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:58,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:58,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:58,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:58,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:52:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:58,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:58,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:58,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 00:52:58,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:58,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 00:52:58,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:58,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:58,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:58,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:58,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:58,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:58,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:58,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:58,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:58,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:58,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:52:58,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:58,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:58,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:58,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:58,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:58,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:52:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:58,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:58,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:58,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:52:58,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:58,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 00:52:58,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:58,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:58,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:58,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:58,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:58,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 00:52:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:58,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:58,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:58,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:52:58,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:58,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 00:52:58,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:58,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:58,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:58,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 00:52:58,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:58,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:52:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:58,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:58,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:58,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:58,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:58,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:52:58,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:58,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:58,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:58,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 00:52:58,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:58,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 00:52:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:58,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:58,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:58,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 00:52:58,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:58,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 00:52:58,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:58,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:58,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:58,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 00:52:58,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:58,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:52:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:58,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:58,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:58,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:58,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:58,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 00:52:58,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:58,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:58,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:58,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:58,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:58,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 00:52:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:58,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:58,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:58,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 00:52:58,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:58,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 00:52:58,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:58,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:58,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:58,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 00:52:58,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:58,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:58,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:58,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:58,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 00:52:58,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:58,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 00:52:58,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:58,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:58,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:58,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:58,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:58,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:58,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:58,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:58,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:58,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:58,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 00:52:58,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:58,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:58,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:58,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:58,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:58,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:52:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:58,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:58,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:58,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:52:58,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:58,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 00:52:58,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:58,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:58,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:58,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:58,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:58,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-13 00:52:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:58,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:58,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:58,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 00:52:58,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:58,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 00:52:58,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:58,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:58,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:58,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:58,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:58,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:58,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:58,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:58,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:58,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:58,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:52:58,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:58,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:58,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:58,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:58,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:58,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:52:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:58,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:58,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:58,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:52:58,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:58,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 00:52:58,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:58,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:58,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:58,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:58,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:58,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 00:52:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:58,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:58,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:58,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-13 00:52:58,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:58,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 452 [2020-10-13 00:52:58,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:58,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-13 00:52:58,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:52:58,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-13 00:52:58,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:58,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:58,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:58,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:58,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:52:58,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:58,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 00:52:58,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:58,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:58,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:58,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 00:52:58,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:58,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 00:52:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:58,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:58,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:58,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:52:58,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:58,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 00:52:58,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:58,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:58,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:58,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 00:52:58,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:58,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 00:52:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:58,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:58,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:58,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:58,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:58,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 00:52:58,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:58,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:58,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:58,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 00:52:58,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:58,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 00:52:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:58,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:59,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:59,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 00:52:59,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:59,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 266 [2020-10-13 00:52:59,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:59,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 00:52:59,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:52:59,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-13 00:52:59,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:59,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:59,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:59,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:59,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 00:52:59,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:59,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-13 00:52:59,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:59,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 00:52:59,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:52:59,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-13 00:52:59,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:59,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:59,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:59,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:59,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-13 00:52:59,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:59,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-13 00:52:59,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:59,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 00:52:59,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:52:59,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-13 00:52:59,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:52:59,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:59,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:59,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:59,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 00:52:59,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:59,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-13 00:52:59,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:59,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 00:52:59,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:52:59,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-13 00:52:59,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:59,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:59,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:59,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:59,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 00:52:59,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:59,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 00:52:59,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:59,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:52:59,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:59,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 00:52:59,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:59,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:59,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:59,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:59,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:52:59,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:59,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:52:59,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:59,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:59,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:59,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:59,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:59,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:52:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:59,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:59,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:59,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:52:59,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:59,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:52:59,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:59,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:52:59,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:52:59,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:52:59,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:59,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 00:52:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:59,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:59,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:59,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 00:52:59,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:59,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 00:52:59,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:59,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 00:52:59,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:52:59,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 00:52:59,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:59,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-13 00:52:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:59,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:59,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:59,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 00:52:59,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:59,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 00:52:59,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:59,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 00:52:59,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:52:59,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 00:52:59,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:52:59,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:52:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:52:59,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:52:59,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:52:59,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 00:52:59,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:52:59,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 00:52:59,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:52:59,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 00:52:59,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 00:52:59,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 00:52:59,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:00,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-13 00:53:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:00,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:00,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:00,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:53:00,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:00,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:53:00,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:00,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:00,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 00:53:00,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:00,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:00,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:53:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:00,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:00,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:00,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:00,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:00,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 00:53:00,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:00,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:00,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:00,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:00,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:00,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-13 00:53:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:00,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:00,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:00,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:00,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:00,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:53:00,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:00,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:00,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 00:53:00,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:00,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:00,098 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-10-13 00:53:00,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [225420293] [2020-10-13 00:53:00,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 00:53:00,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-13 00:53:00,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845729775] [2020-10-13 00:53:00,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 00:53:00,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 00:53:00,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 00:53:00,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-13 00:53:00,100 INFO L87 Difference]: Start difference. First operand 1151 states and 1430 transitions. Second operand 14 states. [2020-10-13 00:53:00,433 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-10-13 00:53:00,655 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2020-10-13 00:53:02,088 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-10-13 00:53:03,672 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-10-13 00:53:03,880 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-10-13 00:53:10,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 00:53:10,284 INFO L93 Difference]: Finished difference Result 2296 states and 3162 transitions. [2020-10-13 00:53:10,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-13 00:53:10,284 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 197 [2020-10-13 00:53:10,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 00:53:10,297 INFO L225 Difference]: With dead ends: 2296 [2020-10-13 00:53:10,297 INFO L226 Difference]: Without dead ends: 1721 [2020-10-13 00:53:10,300 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 61 SyntacticMatches, 7 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=196, Invalid=674, Unknown=0, NotChecked=0, Total=870 [2020-10-13 00:53:10,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2020-10-13 00:53:10,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1262. [2020-10-13 00:53:10,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1262 states. [2020-10-13 00:53:10,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 1262 states and 1572 transitions. [2020-10-13 00:53:10,500 INFO L78 Accepts]: Start accepts. Automaton has 1262 states and 1572 transitions. Word has length 197 [2020-10-13 00:53:10,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 00:53:10,501 INFO L479 AbstractCegarLoop]: Abstraction has 1262 states and 1572 transitions. [2020-10-13 00:53:10,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 00:53:10,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1572 transitions. [2020-10-13 00:53:10,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-13 00:53:10,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 00:53:10,510 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, 1, 1] [2020-10-13 00:53:10,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 00:53:10,511 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 00:53:10,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 00:53:10,511 INFO L82 PathProgramCache]: Analyzing trace with hash 625139857, now seen corresponding path program 1 times [2020-10-13 00:53:10,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 00:53:10,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [518373118] [2020-10-13 00:53:10,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 00:53:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:10,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:10,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:10,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:11,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:11,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-13 00:53:11,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 00:53:11,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 880 [2020-10-13 00:53:11,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:11,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 00:53:11,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 222 [2020-10-13 00:53:11,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 00:53:11,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:11,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:53:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:11,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:11,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:11,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:11,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:11,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 00:53:11,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:11,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:11,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:11,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:11,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:11,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:53:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:11,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:11,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:11,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 00:53:11,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:11,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 00:53:11,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:11,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:11,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:11,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:11,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:11,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:11,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:11,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:11,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:11,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:11,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:53:11,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:11,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:11,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:11,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:11,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:11,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:53:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:11,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:11,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:11,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:53:11,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:11,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 00:53:11,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:11,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:11,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 00:53:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:11,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:11,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:11,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:53:11,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:11,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:53:11,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:11,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:11,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:11,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:11,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:11,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:53:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:11,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:11,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:11,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:11,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:11,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 00:53:11,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:11,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:11,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:11,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:11,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:11,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 00:53:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:11,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:11,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:11,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 00:53:11,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:11,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:53:11,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:11,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:11,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:11,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:11,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:11,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:53:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:11,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:11,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:11,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:11,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:11,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 00:53:11,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:11,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:11,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:11,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:11,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:11,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 00:53:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:11,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:11,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:11,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 00:53:11,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:11,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 00:53:11,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:11,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:11,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:11,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:11,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:11,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:11,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:11,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:11,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 00:53:11,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:11,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 00:53:11,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:11,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:11,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:11,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:11,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:11,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:11,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:11,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:11,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:11,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:11,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:53:11,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:11,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:11,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:11,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:11,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:11,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:53:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:11,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:11,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:11,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:53:11,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:11,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 00:53:11,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:11,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:11,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:11,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:11,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:11,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-13 00:53:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:11,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:11,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:11,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 00:53:11,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:11,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 00:53:11,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:11,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:11,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:11,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:11,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:11,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:11,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:11,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:11,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:11,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:11,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 00:53:11,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:11,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:11,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:11,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:11,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:11,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:53:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:11,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:11,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:11,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:53:11,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:11,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 00:53:11,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:11,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:11,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:11,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:11,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:11,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 00:53:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:11,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:12,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:12,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 00:53:12,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:12,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-13 00:53:12,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:12,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 00:53:12,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-13 00:53:12,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 00:53:12,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:12,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:12,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:12,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:12,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:53:12,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:12,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 00:53:12,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:12,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:12,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:12,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:12,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:12,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 00:53:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:12,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:12,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:12,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:53:12,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:12,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 00:53:12,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:12,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:12,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:12,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:12,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:12,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 00:53:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:12,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:12,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:12,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:12,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:12,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 00:53:12,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:12,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:12,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:12,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:12,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:12,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 00:53:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:12,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:12,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:12,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 00:53:12,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:12,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 00:53:12,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:12,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:12,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:12,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:12,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:12,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:12,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:12,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:12,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 00:53:12,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:12,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 00:53:12,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:12,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:12,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:12,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:12,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:12,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:12,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:12,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:12,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-13 00:53:12,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:12,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 00:53:12,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:12,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:12,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:12,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:12,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:12,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:12,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:12,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:12,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 00:53:12,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:12,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 00:53:12,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:12,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:12,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:12,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:12,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:12,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:12,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:12,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:12,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 00:53:12,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:12,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 00:53:12,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:12,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:12,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:12,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:12,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:12,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:12,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:12,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:12,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:12,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:12,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 00:53:12,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:12,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:12,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:12,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:12,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:12,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:53:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:12,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:12,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:12,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:53:12,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:12,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 00:53:12,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:12,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:12,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:12,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:12,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:12,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 00:53:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:12,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:12,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:12,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 00:53:12,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:12,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 00:53:12,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:12,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:12,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:12,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:12,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:12,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 00:53:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:12,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:12,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:12,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 00:53:12,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:12,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 00:53:12,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:12,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 00:53:12,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 00:53:12,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 00:53:12,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:12,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:12,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:12,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:12,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:53:12,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:12,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 00:53:12,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:12,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 00:53:12,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 00:53:12,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 00:53:12,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:12,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-13 00:53:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:12,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:12,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:12,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:53:12,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:12,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 00:53:12,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:12,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:12,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 00:53:12,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:12,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:12,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:53:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:12,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:12,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:12,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:12,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:12,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 00:53:12,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:12,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:12,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:12,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:12,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:12,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-13 00:53:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:12,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:12,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:12,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:12,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:12,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 00:53:12,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:12,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:12,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 00:53:12,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:12,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:12,771 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-10-13 00:53:12,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [518373118] [2020-10-13 00:53:12,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 00:53:12,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 00:53:12,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628298524] [2020-10-13 00:53:12,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 00:53:12,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 00:53:12,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 00:53:12,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 00:53:12,775 INFO L87 Difference]: Start difference. First operand 1262 states and 1572 transitions. Second operand 11 states. [2020-10-13 00:53:12,980 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-13 00:53:15,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 00:53:15,814 INFO L93 Difference]: Finished difference Result 2118 states and 2780 transitions. [2020-10-13 00:53:15,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 00:53:15,815 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 198 [2020-10-13 00:53:15,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 00:53:15,824 INFO L225 Difference]: With dead ends: 2118 [2020-10-13 00:53:15,825 INFO L226 Difference]: Without dead ends: 1455 [2020-10-13 00:53:15,828 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2020-10-13 00:53:15,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1455 states. [2020-10-13 00:53:15,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1455 to 1257. [2020-10-13 00:53:15,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1257 states. [2020-10-13 00:53:15,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1257 states and 1558 transitions. [2020-10-13 00:53:15,954 INFO L78 Accepts]: Start accepts. Automaton has 1257 states and 1558 transitions. Word has length 198 [2020-10-13 00:53:15,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 00:53:15,955 INFO L479 AbstractCegarLoop]: Abstraction has 1257 states and 1558 transitions. [2020-10-13 00:53:15,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 00:53:15,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1558 transitions. [2020-10-13 00:53:15,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-13 00:53:15,960 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 00:53:15,960 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 00:53:15,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 00:53:15,960 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 00:53:15,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 00:53:15,961 INFO L82 PathProgramCache]: Analyzing trace with hash -751510806, now seen corresponding path program 1 times [2020-10-13 00:53:15,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 00:53:15,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1551244579] [2020-10-13 00:53:15,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 00:53:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:16,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-13 00:53:16,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 00:53:16,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-10-13 00:53:16,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:16,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:53:16,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-13 00:53:16,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-13 00:53:16,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:16,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:53:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:16,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:16,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:16,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 00:53:16,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:16,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:16,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:16,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:16,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:16,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:53:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:16,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 00:53:16,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:16,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 00:53:16,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:16,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:16,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:16,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:16,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:16,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:16,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:16,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:16,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 00:53:16,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:16,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:16,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:16,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:16,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:16,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:53:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:16,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:53:16,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:16,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 00:53:16,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:16,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:16,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:16,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:16,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:16,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 00:53:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:16,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:53:16,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:16,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 00:53:16,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:16,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:16,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:16,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:16,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:16,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:53:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:16,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:16,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:16,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:53:16,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:16,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:16,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:16,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:16,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:16,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 00:53:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:16,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 00:53:16,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:16,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:53:16,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:16,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:16,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:16,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:16,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:16,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:53:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:16,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:16,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:16,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 00:53:16,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:16,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:16,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:16,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:16,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:16,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 00:53:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:16,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 00:53:16,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:16,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-13 00:53:16,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:16,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 00:53:16,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:16,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 00:53:16,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:16,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:16,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 00:53:16,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:16,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 00:53:16,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:16,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:16,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:16,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:16,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:16,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:16,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:16,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:16,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:53:16,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:16,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:16,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:16,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:16,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:16,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:53:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:16,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:53:16,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:16,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 00:53:16,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:16,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:16,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:16,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:16,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 00:53:16,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-13 00:53:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:16,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 00:53:16,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:16,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 00:53:16,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:16,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:16,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:16,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:16,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:16,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:16,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:16,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:16,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:53:16,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:16,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:16,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:16,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:16,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:16,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:53:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:16,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:53:16,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:16,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 00:53:16,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:16,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:16,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:16,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:16,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 00:53:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:16,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-13 00:53:16,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:16,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-13 00:53:16,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:16,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:16,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-10-13 00:53:16,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:16,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:16,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:16,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:53:16,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:16,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 00:53:16,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:16,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:16,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:16,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:16,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:16,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 00:53:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:16,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:53:16,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:16,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 00:53:16,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:16,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:16,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:16,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:16,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:16,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 00:53:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:16,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:16,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:16,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 00:53:16,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:16,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:16,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:16,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:16,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:16,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 00:53:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:16,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:16,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 00:53:16,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:16,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 00:53:16,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:16,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:16,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:16,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:16,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:16,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:16,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:17,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:17,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 00:53:17,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:17,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 00:53:17,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:17,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:17,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:17,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:17,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:17,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:17,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:17,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:17,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-13 00:53:17,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:17,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 00:53:17,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:17,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:17,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:17,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:17,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:17,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:17,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:17,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:17,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 00:53:17,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:17,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 00:53:17,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:17,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:17,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:17,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:17,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:17,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:17,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:17,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:17,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 00:53:17,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:17,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 00:53:17,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:17,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:17,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:17,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:17,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:17,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:17,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:17,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:17,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:17,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:17,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 00:53:17,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:17,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:17,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:17,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:17,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:17,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 00:53:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:17,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:17,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:17,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 00:53:17,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:17,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 00:53:17,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:17,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:17,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:17,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:17,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:17,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 00:53:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:17,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:17,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:17,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 00:53:17,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:17,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 00:53:17,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:17,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:17,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:17,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:17,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:17,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 00:53:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:17,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:17,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:17,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 00:53:17,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:17,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 00:53:17,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:17,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:17,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:17,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:17,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:17,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 00:53:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:17,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:17,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:17,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 00:53:17,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:17,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 00:53:17,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:17,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:17,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:17,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:17,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:17,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-13 00:53:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:17,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:17,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:17,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 00:53:17,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:17,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 00:53:17,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:17,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:17,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 00:53:17,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:17,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:17,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 00:53:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:17,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:17,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:17,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:17,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:17,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 00:53:17,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:17,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:17,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 00:53:17,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:17,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:17,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-13 00:53:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 00:53:17,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 00:53:17,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 00:53:17,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 00:53:17,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 00:53:17,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 00:53:17,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 00:53:17,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 00:53:17,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 00:53:17,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 00:53:17,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 00:53:17,249 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-10-13 00:53:17,250 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1551244579] [2020-10-13 00:53:17,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 00:53:17,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 00:53:17,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958168355] [2020-10-13 00:53:17,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 00:53:17,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 00:53:17,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 00:53:17,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 00:53:17,251 INFO L87 Difference]: Start difference. First operand 1257 states and 1558 transitions. Second operand 10 states. [2020-10-13 00:53:22,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 00:53:22,228 INFO L93 Difference]: Finished difference Result 4009 states and 5025 transitions. [2020-10-13 00:53:22,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 00:53:22,229 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 200 [2020-10-13 00:53:22,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 00:53:22,243 INFO L225 Difference]: With dead ends: 4009 [2020-10-13 00:53:22,243 INFO L226 Difference]: Without dead ends: 2767 [2020-10-13 00:53:22,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-10-13 00:53:22,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2020-10-13 00:53:22,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 2358. [2020-10-13 00:53:22,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2358 states. [2020-10-13 00:53:22,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 2358 states and 2899 transitions. [2020-10-13 00:53:22,484 INFO L78 Accepts]: Start accepts. Automaton has 2358 states and 2899 transitions. Word has length 200 [2020-10-13 00:53:22,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 00:53:22,484 INFO L479 AbstractCegarLoop]: Abstraction has 2358 states and 2899 transitions. [2020-10-13 00:53:22,484 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 00:53:22,485 INFO L276 IsEmpty]: Start isEmpty. Operand 2358 states and 2899 transitions. [2020-10-13 00:53:22,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-13 00:53:22,491 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 00:53:22,491 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 00:53:22,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 00:53:22,492 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 00:53:22,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 00:53:22,492 INFO L82 PathProgramCache]: Analyzing trace with hash 58334816, now seen corresponding path program 1 times [2020-10-13 00:53:22,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 00:53:22,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1223831961] [2020-10-13 00:53:22,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 00:53:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-13 00:53:22,588 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-13 00:53:22,588 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 00:53:22,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 00:53:22,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:53:22 BoogieIcfgContainer [2020-10-13 00:53:22,659 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 00:53:22,665 INFO L168 Benchmark]: Toolchain (without parser) took 88160.99 ms. Allocated memory was 140.0 MB in the beginning and 1.1 GB in the end (delta: 956.3 MB). Free memory was 95.4 MB in the beginning and 414.1 MB in the end (delta: -318.7 MB). Peak memory consumption was 637.6 MB. Max. memory is 7.1 GB. [2020-10-13 00:53:22,667 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 00:53:22,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1905.52 ms. Allocated memory was 140.0 MB in the beginning and 209.2 MB in the end (delta: 69.2 MB). Free memory was 95.2 MB in the beginning and 103.7 MB in the end (delta: -8.5 MB). Peak memory consumption was 66.0 MB. Max. memory is 7.1 GB. [2020-10-13 00:53:22,674 INFO L168 Benchmark]: Boogie Preprocessor took 196.24 ms. Allocated memory is still 209.2 MB. Free memory was 103.7 MB in the beginning and 96.3 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. [2020-10-13 00:53:22,675 INFO L168 Benchmark]: RCFGBuilder took 1464.72 ms. Allocated memory was 209.2 MB in the beginning and 261.6 MB in the end (delta: 52.4 MB). Free memory was 96.3 MB in the beginning and 199.3 MB in the end (delta: -103.0 MB). Peak memory consumption was 61.6 MB. Max. memory is 7.1 GB. [2020-10-13 00:53:22,676 INFO L168 Benchmark]: TraceAbstraction took 84588.44 ms. Allocated memory was 261.6 MB in the beginning and 1.1 GB in the end (delta: 834.7 MB). Free memory was 197.4 MB in the beginning and 414.1 MB in the end (delta: -216.7 MB). Peak memory consumption was 618.0 MB. Max. memory is 7.1 GB. [2020-10-13 00:53:22,679 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1905.52 ms. Allocated memory was 140.0 MB in the beginning and 209.2 MB in the end (delta: 69.2 MB). Free memory was 95.2 MB in the beginning and 103.7 MB in the end (delta: -8.5 MB). Peak memory consumption was 66.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 196.24 ms. Allocated memory is still 209.2 MB. Free memory was 103.7 MB in the beginning and 96.3 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1464.72 ms. Allocated memory was 209.2 MB in the beginning and 261.6 MB in the end (delta: 52.4 MB). Free memory was 96.3 MB in the beginning and 199.3 MB in the end (delta: -103.0 MB). Peak memory consumption was 61.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 84588.44 ms. Allocated memory was 261.6 MB in the beginning and 1.1 GB in the end (delta: 834.7 MB). Free memory was 197.4 MB in the beginning and 414.1 MB in the end (delta: -216.7 MB). Peak memory consumption was 618.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5309]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L5332] int LDV_IN_INTERRUPT = 1; [L5333] struct sk_buff *proto_group0 ; [L5334] int ref_cnt ; [L5335] int ldv_state_variable_1 ; [L5336] struct net_device *proto_group1 ; [L5337] int ldv_state_variable_0 ; [L5553-L5555] static struct hdlc_proto proto = {& x25_open, & x25_close, 0, 0, 0, & x25_ioctl, 0, & x25_rx, & x25_xmit, & __this_module, 0}; [L5622] int ldv_retval_0 ; [L5623] int ldv_retval_1 ; [L5826] Element set_impl[15] ; [L5827] int last_index = 0; [L5961] Set LDV_SKBS ; [L5640] struct ifreq *ldvarg0 ; [L5641] void *tmp ; [L5642] int tmp___0 ; [L5643] int tmp___1 ; [L5644] int tmp___2 ; [L5646] CALL, EXPR ldv_successful_zalloc(40UL) [L5251] EXPR, FCALL calloc(1UL, __size) [L5251] void *p = calloc(1UL, __size); [L5252] CALL assume_abort_if_not(p != (void *)0) [L5248] COND FALSE !(!cond) [L5252] RET assume_abort_if_not(p != (void *)0) [L5253] return p; [L5646] RET, EXPR ldv_successful_zalloc(40UL) [L5646] tmp = ldv_successful_zalloc(40UL) [L5647] ldvarg0 = (struct ifreq *)tmp [L5648] CALL ldv_initialize() [L5980] CALL ldv_set_init(LDV_SKBS) [L5832] set = set_impl [L5833] last_index = 0 [L5980] RET ldv_set_init(LDV_SKBS) [L5648] RET ldv_initialize() [L5649] ldv_state_variable_1 = 0 [L5650] ref_cnt = 0 [L5651] ldv_state_variable_0 = 1 [L5653] tmp___0 = __VERIFIER_nondet_int() [L5655] case 0: [L5720] case 1: [L5721] COND TRUE ldv_state_variable_0 != 0 [L5722] tmp___2 = __VERIFIER_nondet_int() [L5724] case 0: [L5732] case 1: [L5733] COND TRUE ldv_state_variable_0 == 1 [L5734] CALL, EXPR mod_init() [L5611] FCALL register_hdlc_protocol(& proto) [L5612] return (0); [L5734] RET, EXPR mod_init() [L5734] ldv_retval_1 = mod_init() [L5735] COND TRUE ldv_retval_1 == 0 [L5736] ldv_state_variable_0 = 3 [L5737] ldv_state_variable_1 = 1 [L5738] CALL ldv_initialize_hdlc_proto_1() [L5628] void *tmp ; [L5629] void *tmp___0 ; [L5631] CALL, EXPR ldv_successful_zalloc(3264UL) [L5251] EXPR, FCALL calloc(1UL, __size) [L5251] void *p = calloc(1UL, __size); [L5252] CALL assume_abort_if_not(p != (void *)0) [L5248] COND FALSE !(!cond) [L5252] RET assume_abort_if_not(p != (void *)0) [L5253] return p; [L5631] RET, EXPR ldv_successful_zalloc(3264UL) [L5631] tmp = ldv_successful_zalloc(3264UL) [L5632] proto_group1 = (struct net_device *)tmp [L5633] CALL, EXPR ldv_successful_zalloc(232UL) [L5251] EXPR, FCALL calloc(1UL, __size) [L5251] void *p = calloc(1UL, __size); [L5252] CALL assume_abort_if_not(p != (void *)0) [L5248] COND FALSE !(!cond) [L5252] RET assume_abort_if_not(p != (void *)0) [L5253] return p; [L5633] RET, EXPR ldv_successful_zalloc(232UL) [L5633] tmp___0 = ldv_successful_zalloc(232UL) [L5634] proto_group0 = (struct sk_buff *)tmp___0 [L5738] RET ldv_initialize_hdlc_proto_1() [L5741] COND FALSE !(ldv_retval_1 != 0) [L5653] tmp___0 = __VERIFIER_nondet_int() [L5655] case 0: [L5656] COND TRUE ldv_state_variable_1 != 0 [L5657] tmp___1 = __VERIFIER_nondet_int() [L5659] case 0: [L5660] COND TRUE ldv_state_variable_1 == 1 [L5661] CALL x25_xmit(proto_group0, proto_group1) [L5460] int result ; [L5462] CALL assume_abort_if_not(((void*)(skb)) != ((void*) 0)) [L5248] COND FALSE !(!cond) [L5462] RET assume_abort_if_not(((void*)(skb)) != ((void*) 0)) [L5463] EXPR skb->data [L5463] CALL assume_abort_if_not(((void*)((skb->data))) != ((void*) 0)) [L5248] COND FALSE !(!cond) [L5463] RET assume_abort_if_not(((void*)((skb->data))) != ((void*) 0)) [L5464] skb->data [L5465] case 0: [L5473] case 1: [L5485] case 2: [L5486] CALL, EXPR lapb_disconnect_request(dev) [L6069] return __VERIFIER_nondet_int(); [L5486] RET, EXPR lapb_disconnect_request(dev) [L5486] result = lapb_disconnect_request(dev) [L5487] COND TRUE result != 0 [L5488] COND TRUE result == 4 [L5489] CALL x25_disconnected(dev, 0) [L5424] CALL x25_connect_disconnect(dev, reason, 2) [L5398] struct sk_buff *skb ; [L5399] unsigned char *ptr ; [L5401] CALL, EXPR ldv_dev_alloc_skb_12(1U) [L5803] struct sk_buff *tmp ; [L5805] CALL, EXPR ldv_skb_alloc() [L5964] void *skb ; [L5965] void *tmp___7 ; [L5967] CALL, EXPR ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L5251] EXPR, FCALL calloc(1UL, __size) [L5251] void *p = calloc(1UL, __size); [L5252] CALL assume_abort_if_not(p != (void *)0) [L5248] COND FALSE !(!cond) [L5252] RET assume_abort_if_not(p != (void *)0) [L5253] return p; [L5967] RET, EXPR ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L5967] tmp___7 = ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L5968] skb = (struct sk_buff___0 *)tmp___7 [L5969] COND FALSE !(! skb) [L5972] CALL ldv_set_add(LDV_SKBS, skb) [L5840] int i ; [L5842] i = 0 [L5843] COND TRUE 1 [L5844] COND FALSE !(i < last_index) [L5854] COND TRUE last_index < 15 [L5855] set_impl[last_index] = e [L5856] last_index = last_index + 1 [L5972] RET ldv_set_add(LDV_SKBS, skb) [L5973] return (skb); [L5805] RET, EXPR ldv_skb_alloc() [L5805] tmp = ldv_skb_alloc() [L5806] return (tmp); [L5401] RET, EXPR ldv_dev_alloc_skb_12(1U) [L5401] skb = ldv_dev_alloc_skb_12(1U) [L5402] COND TRUE (unsigned long )skb == (unsigned long )((struct sk_buff *)0) [L5424] RET x25_connect_disconnect(dev, reason, 2) [L5489] RET x25_disconnected(dev, 0) [L5501] CALL ldv_skb_free(skb) [L5987] CALL ldv_set_remove(LDV_SKBS, skb) [L5865] int i ; [L5866] int deleted_index ; [L5868] deleted_index = -1 [L5869] i = 0 [L5870] COND TRUE 1 [L5871] COND TRUE i < last_index [L5875] EXPR set_impl[i] [L5875] COND FALSE !((unsigned long )set_impl[i] == (unsigned long )e) [L5880] i = i + 1 [L5870] COND TRUE 1 [L5871] COND FALSE !(i < last_index) [L5882] COND FALSE !(deleted_index != -1) [L5987] RET ldv_set_remove(LDV_SKBS, skb) [L5501] RET ldv_skb_free(skb) [L5502] return (0); [L5661] RET x25_xmit(proto_group0, proto_group1) [L5662] ldv_state_variable_1 = 1 [L5665] COND FALSE !(ldv_state_variable_1 == 2) [L5653] tmp___0 = __VERIFIER_nondet_int() [L5655] case 0: [L5720] case 1: [L5721] COND TRUE ldv_state_variable_0 != 0 [L5722] tmp___2 = __VERIFIER_nondet_int() [L5724] case 0: [L5725] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L5726] CALL mod_exit() [L5618] FCALL unregister_hdlc_protocol(& proto) [L5726] RET mod_exit() [L5727] ldv_state_variable_0 = 2 [L5762] CALL ldv_check_final_state() [L6031] int tmp___7 ; [L6033] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L5922] return (last_index == 0); [L6033] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L6033] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L6034] COND FALSE !(\read(tmp___7)) [L6036] CALL ldv_error() [L5309] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 89 procedures, 541 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 84.4s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 53.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3331 SDtfs, 11516 SDslu, 8726 SDs, 0 SdLazy, 22876 SolverSat, 7632 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 524 GetRequests, 308 SyntacticMatches, 16 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1678 ImplicationChecksByTransitivity, 10.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2358occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 2144 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 29.2s InterpolantComputationTime, 1197 NumberOfCodeBlocks, 1197 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 989 ConstructedInterpolants, 0 QuantifiedInterpolants, 519773 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 404/409 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...