/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:13:06,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:13:06,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:13:06,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:13:06,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:13:06,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:13:06,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:13:06,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:13:06,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:13:06,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:13:06,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:13:06,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:13:06,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:13:06,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:13:06,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:13:06,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:13:06,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:13:06,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:13:06,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:13:06,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:13:06,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:13:06,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:13:06,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:13:06,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:13:06,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:13:06,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:13:06,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:13:06,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:13:06,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:13:06,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:13:06,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:13:06,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:13:06,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:13:06,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:13:06,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:13:06,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:13:06,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:13:06,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:13:06,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:13:06,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:13:06,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:13:06,920 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-25 06:13:06,962 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:13:06,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:13:06,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:13:06,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:13:06,965 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:13:06,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:13:06,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:13:06,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:13:06,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:13:06,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:13:06,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:13:06,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:13:06,967 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:13:06,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:13:06,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:13:06,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:13:06,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:13:06,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:13:06,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:13:06,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:13:06,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:13:06,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:13:06,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:13:06,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:13:06,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:13:06,970 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:13:06,970 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 06:13:06,970 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 06:13:07,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:13:07,488 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:13:07,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:13:07,495 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:13:07,496 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:13:07,497 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-09-25 06:13:07,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69fdc453d/c58397162fac43b28dc0c70c1f6534f8/FLAG2134ea203 [2020-09-25 06:13:08,444 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:13:08,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-09-25 06:13:08,486 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69fdc453d/c58397162fac43b28dc0c70c1f6534f8/FLAG2134ea203 [2020-09-25 06:13:08,925 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69fdc453d/c58397162fac43b28dc0c70c1f6534f8 [2020-09-25 06:13:08,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:13:08,950 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:13:08,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:13:08,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:13:08,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:13:08,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:13:08" (1/1) ... [2020-09-25 06:13:08,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c542701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:08, skipping insertion in model container [2020-09-25 06:13:08,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:13:08" (1/1) ... [2020-09-25 06:13:08,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:13:09,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:13:10,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:13:10,674 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:13:10,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:13:11,041 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:13:11,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:11 WrapperNode [2020-09-25 06:13:11,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:13:11,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:13:11,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:13:11,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:13:11,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:11" (1/1) ... [2020-09-25 06:13:11,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:11" (1/1) ... [2020-09-25 06:13:11,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:11" (1/1) ... [2020-09-25 06:13:11,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:11" (1/1) ... [2020-09-25 06:13:11,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:11" (1/1) ... [2020-09-25 06:13:11,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:11" (1/1) ... [2020-09-25 06:13:11,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:11" (1/1) ... [2020-09-25 06:13:11,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:13:11,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:13:11,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:13:11,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:13:11,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:11" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:13:11,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:13:11,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:13:11,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-09-25 06:13:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-25 06:13:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-09-25 06:13:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-09-25 06:13:11,358 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-09-25 06:13:11,359 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-09-25 06:13:11,359 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2020-09-25 06:13:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_share_check [2020-09-25 06:13:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-09-25 06:13:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-09-25 06:13:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2020-09-25 06:13:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow [2020-09-25 06:13:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 06:13:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2020-09-25 06:13:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 06:13:11,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 06:13:11,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 06:13:11,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 06:13:11,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 06:13:11,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 06:13:11,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 06:13:11,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 06:13:11,367 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-25 06:13:11,367 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-09-25 06:13:11,367 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_off [2020-09-25 06:13:11,368 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2020-09-25 06:13:11,368 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2020-09-25 06:13:11,368 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connect_disconnect [2020-09-25 06:13:11,368 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connected [2020-09-25 06:13:11,368 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_disconnected [2020-09-25 06:13:11,369 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_indication [2020-09-25 06:13:11,369 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_transmit [2020-09-25 06:13:11,369 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_xmit [2020-09-25 06:13:11,369 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_open [2020-09-25 06:13:11,369 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_close [2020-09-25 06:13:11,370 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_rx [2020-09-25 06:13:11,370 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_ioctl [2020-09-25 06:13:11,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_init [2020-09-25 06:13:11,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_exit [2020-09-25 06:13:11,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hdlc_proto_1 [2020-09-25 06:13:11,371 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:13:11,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-25 06:13:11,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-25 06:13:11,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-25 06:13:11,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-25 06:13:11,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-25 06:13:11,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2020-09-25 06:13:11,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-09-25 06:13:11,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2020-09-25 06:13:11,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-25 06:13:11,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 06:13:11,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-25 06:13:11,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-25 06:13:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-25 06:13:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 06:13:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 06:13:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 06:13:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 06:13:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-25 06:13:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 06:13:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-25 06:13:11,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-25 06:13:11,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-25 06:13:11,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-25 06:13:11,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-25 06:13:11,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 06:13:11,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-09-25 06:13:11,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-09-25 06:13:11,379 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_hdlc_protocol [2020-09-25 06:13:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-09-25 06:13:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_connect_request [2020-09-25 06:13:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_received [2020-09-25 06:13:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_request [2020-09-25 06:13:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_disconnect_request [2020-09-25 06:13:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_register [2020-09-25 06:13:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_unregister [2020-09-25 06:13:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2020-09-25 06:13:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-09-25 06:13:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-09-25 06:13:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure register_hdlc_protocol [2020-09-25 06:13:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-09-25 06:13:11,384 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-09-25 06:13:11,384 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-09-25 06:13:11,384 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-25 06:13:11,384 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_protocol [2020-09-25 06:13:11,384 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 06:13:11,385 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 06:13:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:13:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 06:13:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-09-25 06:13:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-09-25 06:13:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-09-25 06:13:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:13:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-09-25 06:13:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-25 06:13:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-25 06:13:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-25 06:13:11,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-25 06:13:11,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-25 06:13:11,387 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-09-25 06:13:11,387 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-09-25 06:13:11,387 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-09-25 06:13:11,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:13:11,388 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-09-25 06:13:11,388 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2020-09-25 06:13:11,388 INFO L130 BoogieDeclarations]: Found specification of procedure skb_share_check [2020-09-25 06:13:11,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:13:11,388 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-25 06:13:11,389 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-09-25 06:13:11,389 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-09-25 06:13:11,389 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-09-25 06:13:11,389 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-09-25 06:13:11,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:13:11,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2020-09-25 06:13:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2020-09-25 06:13:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow [2020-09-25 06:13:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-25 06:13:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-25 06:13:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-25 06:13:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:13:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 06:13:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:13:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 06:13:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 06:13:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 06:13:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2020-09-25 06:13:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:13:11,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 06:13:11,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 06:13:11,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 06:13:11,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 06:13:11,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 06:13:11,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 06:13:11,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 06:13:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 06:13:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hdlc_proto_1 [2020-09-25 06:13:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-25 06:13:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-09-25 06:13:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-09-25 06:13:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-09-25 06:13:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2020-09-25 06:13:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2020-09-25 06:13:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_off [2020-09-25 06:13:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-09-25 06:13:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure register_hdlc_protocol [2020-09-25 06:13:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_protocol [2020-09-25 06:13:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2020-09-25 06:13:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure attach_hdlc_protocol [2020-09-25 06:13:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_register [2020-09-25 06:13:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_unregister [2020-09-25 06:13:11,413 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_connect_request [2020-09-25 06:13:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_disconnect_request [2020-09-25 06:13:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_request [2020-09-25 06:13:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_received [2020-09-25 06:13:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2020-09-25 06:13:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:13:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure x25_ioctl [2020-09-25 06:13:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connect_disconnect [2020-09-25 06:13:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connected [2020-09-25 06:13:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure x25_disconnected [2020-09-25 06:13:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_indication [2020-09-25 06:13:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_transmit [2020-09-25 06:13:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-09-25 06:13:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure x25_xmit [2020-09-25 06:13:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure x25_open [2020-09-25 06:13:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:13:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure x25_close [2020-09-25 06:13:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure x25_rx [2020-09-25 06:13:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-25 06:13:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure mod_init [2020-09-25 06:13:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure mod_exit [2020-09-25 06:13:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 06:13:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 06:13:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:13:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-25 06:13:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 06:13:11,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-25 06:13:11,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-25 06:13:11,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-25 06:13:11,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 06:13:11,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 06:13:11,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 06:13:11,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 06:13:11,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-25 06:13:11,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-25 06:13:11,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-25 06:13:11,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 06:13:11,423 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:13:11,423 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 06:13:11,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:13:11,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 06:13:11,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:13:12,037 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 06:13:13,026 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:13:13,026 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 06:13:13,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:13:13 BoogieIcfgContainer [2020-09-25 06:13:13,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:13:13,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:13:13,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:13:13,044 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:13:13,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:13:08" (1/3) ... [2020-09-25 06:13:13,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3148c2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:13:13, skipping insertion in model container [2020-09-25 06:13:13,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:11" (2/3) ... [2020-09-25 06:13:13,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3148c2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:13:13, skipping insertion in model container [2020-09-25 06:13:13,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:13:13" (3/3) ... [2020-09-25 06:13:13,048 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-09-25 06:13:13,061 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:13:13,075 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:13:13,102 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:13:13,144 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:13:13,144 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:13:13,145 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:13:13,145 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:13:13,145 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:13:13,145 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:13:13,145 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:13:13,145 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:13:13,186 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states. [2020-09-25 06:13:13,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-09-25 06:13:13,202 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:13:13,204 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:13:13,204 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:13:13,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:13:13,212 INFO L82 PathProgramCache]: Analyzing trace with hash 2033327711, now seen corresponding path program 1 times [2020-09-25 06:13:13,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:13:13,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [489671819] [2020-09-25 06:13:13,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:13:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:13,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:14,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:14,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:14,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-25 06:13:14,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:13:14,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1288 [2020-09-25 06:13:14,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:14,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:14,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:14,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-25 06:13:14,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 06:13:14,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 06:13:15,331 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-09-25 06:13:15,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:15,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:15,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:15,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 06:13:15,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:15,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-25 06:13:15,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:15,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:15,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:15,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:15,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:15,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:15,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 06:13:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:15,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:15,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:15,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:13:15,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:15,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 06:13:15,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:15,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:15,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:15,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:15,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:15,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:15,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:13:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:15,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:15,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:15,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:13:15,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:15,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 06:13:15,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:15,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:15,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:15,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 06:13:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:15,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:15,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:15,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:15,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:15,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 06:13:15,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:15,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:15,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:15,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:15,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:15,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:15,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 06:13:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:15,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:15,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:15,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 06:13:15,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:15,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 06:13:15,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:15,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:15,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:15,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:15,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:15,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:15,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:15,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:15,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:15,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:13:15,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:15,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 06:13:15,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:15,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:15,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:15,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:15,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:15,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:15,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-25 06:13:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:15,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:15,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:15,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 06:13:15,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:15,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 06:13:15,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:15,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:15,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:15,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 06:13:15,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:15,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:15,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:15,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:15,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:15,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:13:15,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:15,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 06:13:15,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:15,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:15,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:15,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:15,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:15,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:15,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 06:13:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:15,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:15,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:15,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:15,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:15,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 06:13:15,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:15,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:15,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:15,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 06:13:15,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:15,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:15,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:13:15,850 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [489671819] [2020-09-25 06:13:15,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:13:15,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 06:13:15,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108516466] [2020-09-25 06:13:15,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 06:13:15,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:13:15,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 06:13:15,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:13:15,881 INFO L87 Difference]: Start difference. First operand 890 states. Second operand 7 states. [2020-09-25 06:13:22,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:13:22,426 INFO L93 Difference]: Finished difference Result 2373 states and 2824 transitions. [2020-09-25 06:13:22,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 06:13:22,429 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 106 [2020-09-25 06:13:22,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:13:22,466 INFO L225 Difference]: With dead ends: 2373 [2020-09-25 06:13:22,466 INFO L226 Difference]: Without dead ends: 1687 [2020-09-25 06:13:22,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-09-25 06:13:22,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2020-09-25 06:13:22,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1286. [2020-09-25 06:13:22,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1286 states. [2020-09-25 06:13:22,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1428 transitions. [2020-09-25 06:13:22,724 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 1428 transitions. Word has length 106 [2020-09-25 06:13:22,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:13:22,726 INFO L479 AbstractCegarLoop]: Abstraction has 1286 states and 1428 transitions. [2020-09-25 06:13:22,726 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 06:13:22,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1428 transitions. [2020-09-25 06:13:22,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-09-25 06:13:22,737 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:13:22,737 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:13:22,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:13:22,738 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:13:22,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:13:22,738 INFO L82 PathProgramCache]: Analyzing trace with hash 594820322, now seen corresponding path program 1 times [2020-09-25 06:13:22,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:13:22,739 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [210318304] [2020-09-25 06:13:22,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:13:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:22,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:23,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:23,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:24,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:24,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-09-25 06:13:24,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 06:13:24,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2159 [2020-09-25 06:13:24,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:24,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:24,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:13:24,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 06:13:24,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-25 06:13:24,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:25,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:25,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:25,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:25,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 06:13:25,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:25,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-25 06:13:25,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:25,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:25,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:25,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:25,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:25,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:25,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 06:13:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:25,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:25,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:25,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:13:25,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:25,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-25 06:13:25,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:25,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:25,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:25,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:25,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:25,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:13:25,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:13:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:25,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:25,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:25,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:13:25,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:25,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 06:13:25,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:25,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:25,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:25,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:25,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:25,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:25,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 06:13:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:25,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:25,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:25,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:25,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:25,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 06:13:25,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:25,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:25,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:25,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:25,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:25,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:25,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 06:13:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:25,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:25,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:25,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 06:13:25,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:25,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-25 06:13:25,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:25,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:25,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:25,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:25,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:13:25,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:25,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:25,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:25,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:25,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:13:25,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:25,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 06:13:25,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:25,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:25,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:25,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:25,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:13:25,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:25,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:13:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:25,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:25,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:25,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 06:13:25,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:25,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 06:13:25,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:25,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:25,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:25,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:25,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 06:13:25,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:25,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:25,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:25,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:25,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:13:25,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:25,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 06:13:25,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:25,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:25,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:25,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:25,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:25,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:25,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-25 06:13:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:25,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:25,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:25,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:25,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:25,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 06:13:25,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:25,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:25,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 06:13:25,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:25,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 06:13:25,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:25,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:13:25,879 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [210318304] [2020-09-25 06:13:25,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:13:25,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 06:13:25,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508418497] [2020-09-25 06:13:25,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 06:13:25,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:13:25,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 06:13:25,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 06:13:25,883 INFO L87 Difference]: Start difference. First operand 1286 states and 1428 transitions. Second operand 10 states. [2020-09-25 06:13:27,403 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2020-09-25 06:13:27,584 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-25 06:13:27,871 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-25 06:13:30,068 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-09-25 06:13:34,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:13:34,701 INFO L93 Difference]: Finished difference Result 4267 states and 4966 transitions. [2020-09-25 06:13:34,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-25 06:13:34,704 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 114 [2020-09-25 06:13:34,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:13:34,729 INFO L225 Difference]: With dead ends: 4267 [2020-09-25 06:13:34,730 INFO L226 Difference]: Without dead ends: 3017 [2020-09-25 06:13:34,736 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=151, Invalid=355, Unknown=0, NotChecked=0, Total=506 [2020-09-25 06:13:34,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2020-09-25 06:13:34,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 2625. [2020-09-25 06:13:34,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2625 states. [2020-09-25 06:13:34,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2625 states and 2982 transitions. [2020-09-25 06:13:34,923 INFO L78 Accepts]: Start accepts. Automaton has 2625 states and 2982 transitions. Word has length 114 [2020-09-25 06:13:34,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:13:34,923 INFO L479 AbstractCegarLoop]: Abstraction has 2625 states and 2982 transitions. [2020-09-25 06:13:34,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 06:13:34,924 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 2982 transitions. [2020-09-25 06:13:34,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 06:13:34,929 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:13:34,930 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:13:34,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:13:34,930 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:13:34,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:13:34,931 INFO L82 PathProgramCache]: Analyzing trace with hash -926680723, now seen corresponding path program 1 times [2020-09-25 06:13:34,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:13:34,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [293949883] [2020-09-25 06:13:34,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:13:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:35,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:35,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:35,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:35,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:38,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:40,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:40,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 06:13:40,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:13:40,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-09-25 06:13:40,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:40,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:40,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:40,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-09-25 06:13:40,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 06:13:40,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:40,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:40,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:40,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:40,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 06:13:40,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:40,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 06:13:40,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:40,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:40,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:40,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:40,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:40,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:40,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 06:13:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:40,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:40,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:40,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:13:40,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:40,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 06:13:40,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:40,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:40,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:40,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:40,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:40,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:13:40,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:13:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:40,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:40,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:40,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:13:40,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:40,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 06:13:40,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:40,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:40,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:40,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:40,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:40,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:40,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 06:13:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:40,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:40,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:40,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:40,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:40,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 06:13:40,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:40,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:40,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:40,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:40,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:40,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:40,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 06:13:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:40,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:40,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:40,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 06:13:40,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:40,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 06:13:40,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:40,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:40,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:40,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:40,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:40,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:40,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:40,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:40,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:40,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:13:40,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:40,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 06:13:40,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:40,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:40,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:40,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:40,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:40,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:40,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:13:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:40,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:40,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:40,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:40,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 06:13:40,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:13:40,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-09-25 06:13:40,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:40,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:40,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:40,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-09-25 06:13:40,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:40,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:40,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 06:13:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:40,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:40,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:40,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:40,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:40,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 06:13:40,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:40,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:40,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:40,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:40,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:40,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:40,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 06:13:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:40,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:40,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:40,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:40,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:40,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 06:13:40,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:40,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:40,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:40,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:40,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:40,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:40,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 06:13:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:40,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:40,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:41,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:41,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 06:13:41,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:13:41,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 06:13:41,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:41,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:41,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:41,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:41,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:41,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:41,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:13:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:41,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:41,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:41,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:41,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 06:13:41,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:13:41,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-25 06:13:41,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:41,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:41,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:41,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:41,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:41,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:41,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 06:13:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:41,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:41,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:41,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 06:13:41,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:41,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 06:13:41,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:41,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:41,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:41,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 06:13:41,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:41,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:41,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:41,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:41,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:41,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:13:41,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:41,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 06:13:41,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:41,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:41,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:41,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:41,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:41,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:41,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-09-25 06:13:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:41,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:41,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:41,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:41,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:41,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 06:13:41,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:41,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:41,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:41,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 06:13:41,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:41,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:41,255 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-25 06:13:41,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [293949883] [2020-09-25 06:13:41,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:13:41,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 06:13:41,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895092810] [2020-09-25 06:13:41,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 06:13:41,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:13:41,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 06:13:41,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-25 06:13:41,261 INFO L87 Difference]: Start difference. First operand 2625 states and 2982 transitions. Second operand 9 states. [2020-09-25 06:13:45,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:13:45,752 INFO L93 Difference]: Finished difference Result 5816 states and 6785 transitions. [2020-09-25 06:13:45,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 06:13:45,753 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 179 [2020-09-25 06:13:45,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:13:45,772 INFO L225 Difference]: With dead ends: 5816 [2020-09-25 06:13:45,773 INFO L226 Difference]: Without dead ends: 3247 [2020-09-25 06:13:45,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2020-09-25 06:13:45,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3247 states. [2020-09-25 06:13:45,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3247 to 2810. [2020-09-25 06:13:45,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2810 states. [2020-09-25 06:13:45,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2810 states to 2810 states and 3206 transitions. [2020-09-25 06:13:45,949 INFO L78 Accepts]: Start accepts. Automaton has 2810 states and 3206 transitions. Word has length 179 [2020-09-25 06:13:45,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:13:45,950 INFO L479 AbstractCegarLoop]: Abstraction has 2810 states and 3206 transitions. [2020-09-25 06:13:45,950 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 06:13:45,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2810 states and 3206 transitions. [2020-09-25 06:13:45,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-09-25 06:13:45,957 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:13:45,958 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:13:45,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:13:45,958 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:13:45,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:13:45,959 INFO L82 PathProgramCache]: Analyzing trace with hash -766964387, now seen corresponding path program 1 times [2020-09-25 06:13:45,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:13:45,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1198253771] [2020-09-25 06:13:45,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:13:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:46,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:46,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:46,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:47,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:47,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-09-25 06:13:47,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 06:13:47,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1764 [2020-09-25 06:13:47,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:47,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:47,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:47,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-09-25 06:13:47,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-25 06:13:47,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:47,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:47,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:48,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:48,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 06:13:48,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:48,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-25 06:13:48,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:48,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:48,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:48,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:48,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:48,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:48,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 06:13:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:48,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:48,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:48,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:13:48,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:48,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 06:13:48,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:48,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:48,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:48,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:48,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:48,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:48,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:13:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:48,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:48,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:48,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:13:48,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:48,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 06:13:48,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:48,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:48,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:48,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:48,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:48,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:48,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 06:13:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:48,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:48,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:48,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:48,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:48,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 06:13:48,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:48,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:48,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:48,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:48,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:48,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:48,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 06:13:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:48,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:48,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:48,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 06:13:48,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:48,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 06:13:48,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:48,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:48,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:48,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:48,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:48,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:48,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:48,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:48,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:48,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:13:48,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:48,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 06:13:48,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:48,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:48,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:48,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:48,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:48,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:48,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:13:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:48,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:48,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:48,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 06:13:48,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:48,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 06:13:48,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:48,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:48,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:48,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:48,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:48,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:48,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:48,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:48,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:48,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:13:48,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:48,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 06:13:48,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:48,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:48,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:48,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:48,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:48,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:48,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 06:13:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:48,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:48,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:48,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 06:13:48,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:48,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 06:13:48,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:48,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:48,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:48,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:48,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-25 06:13:48,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:48,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:13:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:48,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:48,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:48,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:13:48,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:48,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 06:13:48,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:48,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:48,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:48,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:48,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:48,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:48,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:13:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:48,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:48,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:48,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:13:48,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:48,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 06:13:48,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:48,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:48,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:48,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:48,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:48,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:48,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 06:13:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:48,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:48,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:48,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:48,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:48,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 06:13:48,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:48,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:48,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:48,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:48,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:48,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:48,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 06:13:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:48,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:48,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:48,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:13:48,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:48,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 06:13:48,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:48,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:48,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:48,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:48,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:48,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:48,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:13:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:48,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:48,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:48,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:13:48,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:48,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 06:13:48,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:48,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:48,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:48,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:48,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:48,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:48,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 06:13:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:48,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:48,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:48,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:48,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:48,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 06:13:48,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:48,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:48,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:48,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:48,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:48,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:48,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 06:13:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:48,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:48,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:48,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:48,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 06:13:48,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:13:48,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-09-25 06:13:48,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:48,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:48,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:48,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-09-25 06:13:48,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:48,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:49,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 06:13:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:49,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:49,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:49,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:49,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:49,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 06:13:49,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:49,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:49,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:49,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:49,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:49,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:49,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 06:13:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:49,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:49,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:49,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:49,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:49,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 06:13:49,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:49,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:49,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:49,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:49,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:49,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:49,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 06:13:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:49,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:49,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:49,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:49,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 06:13:49,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:13:49,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 06:13:49,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:49,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:49,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:49,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:49,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:49,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:49,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:13:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:49,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:49,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:49,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:49,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 06:13:49,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:13:49,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 06:13:49,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:49,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:49,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:49,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:49,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:49,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:49,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-25 06:13:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:49,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:49,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:49,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 06:13:49,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:49,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 06:13:49,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:49,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:49,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:49,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 06:13:49,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:49,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:49,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:49,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:49,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:49,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:13:49,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:49,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 06:13:49,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:49,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:49,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:49,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:49,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:49,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:49,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-25 06:13:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:49,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:49,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:49,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:49,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:49,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 06:13:49,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:49,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:49,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:49,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 06:13:49,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:49,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:49,461 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-09-25 06:13:49,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1198253771] [2020-09-25 06:13:49,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:13:49,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 06:13:49,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638728077] [2020-09-25 06:13:49,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 06:13:49,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:13:49,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 06:13:49,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-09-25 06:13:49,466 INFO L87 Difference]: Start difference. First operand 2810 states and 3206 transitions. Second operand 10 states. [2020-09-25 06:13:55,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:13:55,886 INFO L93 Difference]: Finished difference Result 8518 states and 9889 transitions. [2020-09-25 06:13:55,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 06:13:55,887 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 245 [2020-09-25 06:13:55,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:13:55,919 INFO L225 Difference]: With dead ends: 8518 [2020-09-25 06:13:55,919 INFO L226 Difference]: Without dead ends: 5779 [2020-09-25 06:13:55,929 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-25 06:13:55,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5779 states. [2020-09-25 06:13:56,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5779 to 5028. [2020-09-25 06:13:56,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5028 states. [2020-09-25 06:13:56,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5028 states to 5028 states and 5712 transitions. [2020-09-25 06:13:56,252 INFO L78 Accepts]: Start accepts. Automaton has 5028 states and 5712 transitions. Word has length 245 [2020-09-25 06:13:56,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:13:56,253 INFO L479 AbstractCegarLoop]: Abstraction has 5028 states and 5712 transitions. [2020-09-25 06:13:56,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 06:13:56,254 INFO L276 IsEmpty]: Start isEmpty. Operand 5028 states and 5712 transitions. [2020-09-25 06:13:56,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-09-25 06:13:56,266 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:13:56,266 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:13:56,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:13:56,267 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:13:56,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:13:56,268 INFO L82 PathProgramCache]: Analyzing trace with hash -790465097, now seen corresponding path program 1 times [2020-09-25 06:13:56,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:13:56,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [847064747] [2020-09-25 06:13:56,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:13:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:56,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:56,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:56,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-09-25 06:13:56,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:56,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 476 [2020-09-25 06:13:56,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:56,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:56,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:56,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 235 [2020-09-25 06:13:56,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 06:13:56,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:57,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:57,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:57,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:57,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 06:13:57,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:57,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 06:13:57,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:57,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:57,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:57,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:57,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:57,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:13:57,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 06:13:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:57,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:57,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:57,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:13:57,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:57,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 06:13:57,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:57,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:57,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:57,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:57,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:57,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:13:57,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:13:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:57,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:57,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:57,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:13:57,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:57,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 06:13:57,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:57,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:57,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:57,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:57,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:57,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:57,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 06:13:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:57,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:57,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:57,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:57,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:57,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 06:13:57,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:57,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:57,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:57,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:57,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:57,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:57,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 06:13:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:57,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:57,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:57,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 06:13:57,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:57,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 06:13:57,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:57,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:57,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:57,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:57,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:57,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:57,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:57,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:57,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:57,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:13:57,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:57,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 06:13:57,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:57,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:57,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:57,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:57,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:57,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:57,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:13:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:57,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:57,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:57,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 06:13:57,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:57,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 06:13:57,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:57,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:57,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:57,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:57,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:57,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:57,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:57,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:57,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:57,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:13:57,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:57,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 06:13:57,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:57,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:57,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:57,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:57,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:57,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:13:57,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 06:13:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:57,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:57,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:57,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 06:13:57,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:57,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 06:13:57,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:57,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:57,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:57,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:57,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:57,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:13:57,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:13:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:57,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:57,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:57,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:13:57,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:57,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 06:13:57,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:57,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:57,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:57,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:57,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:57,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:57,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:13:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:57,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:57,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:57,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:13:57,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:57,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 06:13:57,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:57,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:57,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:57,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:57,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:57,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:57,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 06:13:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:57,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:57,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:57,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:57,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:57,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 06:13:57,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:57,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:57,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:57,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:57,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:57,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:57,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 06:13:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:57,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:57,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:57,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 06:13:57,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:57,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 06:13:57,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:57,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:57,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:57,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:57,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:57,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:57,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 06:13:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:57,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:57,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:57,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:13:57,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:57,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 06:13:57,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:57,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:57,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:57,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:57,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:57,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:57,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 06:13:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:57,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:57,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:57,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:57,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:57,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 06:13:57,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:57,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:57,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:57,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:57,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:57,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:57,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 06:13:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:57,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:57,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:57,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-25 06:13:57,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:57,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 06:13:57,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:57,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:57,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:57,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-25 06:13:57,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 06:13:57,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:57,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 06:13:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:57,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:57,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:57,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:57,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:57,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 06:13:57,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:57,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:57,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:57,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:57,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:57,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:57,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 06:13:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:57,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:57,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:57,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:57,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:57,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 06:13:57,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:57,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:57,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:57,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:57,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:57,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:58,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 06:13:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:58,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:58,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:58,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 06:13:58,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:58,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-25 06:13:58,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:58,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:58,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:58,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 06:13:58,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 06:13:58,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:58,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:13:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:58,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:58,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:58,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 06:13:58,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:58,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 06:13:58,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:58,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:58,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:58,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 06:13:58,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 06:13:58,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:58,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-25 06:13:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat