/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -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 0.2.0-0f64333 [2020-10-29 18:23:23,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 18:23:23,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 18:23:23,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 18:23:23,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 18:23:23,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 18:23:23,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 18:23:23,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 18:23:23,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 18:23:23,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 18:23:23,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 18:23:23,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 18:23:23,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 18:23:23,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 18:23:23,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 18:23:23,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 18:23:23,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 18:23:23,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 18:23:23,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 18:23:23,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 18:23:23,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 18:23:23,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 18:23:23,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 18:23:23,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 18:23:23,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 18:23:23,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 18:23:23,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 18:23:23,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 18:23:23,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 18:23:23,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 18:23:23,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 18:23:23,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 18:23:23,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 18:23:23,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 18:23:23,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 18:23:23,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 18:23:23,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 18:23:23,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 18:23:23,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 18:23:23,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 18:23:23,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 18:23:23,170 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-29 18:23:23,196 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 18:23:23,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 18:23:23,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 18:23:23,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 18:23:23,198 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 18:23:23,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 18:23:23,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 18:23:23,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 18:23:23,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 18:23:23,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 18:23:23,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 18:23:23,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 18:23:23,210 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 18:23:23,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 18:23:23,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 18:23:23,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 18:23:23,211 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 18:23:23,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 18:23:23,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 18:23:23,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 18:23:23,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 18:23:23,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 18:23:23,212 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 18:23:23,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 18:23:23,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 18:23:23,213 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 18:23:23,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 18:23:23,213 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 18:23:23,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 18:23:23,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 18:23:23,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 18:23:23,622 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 18:23:23,623 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 18:23:23,624 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-10-29 18:23:23,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81d33ab9f/93a7d296cafa443b80b3a877d4723df5/FLAG736d677eb [2020-10-29 18:23:24,760 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 18:23:24,761 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-10-29 18:23:24,801 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81d33ab9f/93a7d296cafa443b80b3a877d4723df5/FLAG736d677eb [2020-10-29 18:23:25,303 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81d33ab9f/93a7d296cafa443b80b3a877d4723df5 [2020-10-29 18:23:25,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 18:23:25,313 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 18:23:25,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 18:23:25,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 18:23:25,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 18:23:25,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:23:25" (1/1) ... [2020-10-29 18:23:25,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39cf3333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:23:25, skipping insertion in model container [2020-10-29 18:23:25,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:23:25" (1/1) ... [2020-10-29 18:23:25,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 18:23:25,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 18:23:26,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 18:23:26,645 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 18:23:27,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 18:23:27,207 INFO L208 MainTranslator]: Completed translation [2020-10-29 18:23:27,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:23:27 WrapperNode [2020-10-29 18:23:27,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 18:23:27,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 18:23:27,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 18:23:27,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 18:23:27,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:23:27" (1/1) ... [2020-10-29 18:23:27,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:23:27" (1/1) ... [2020-10-29 18:23:27,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:23:27" (1/1) ... [2020-10-29 18:23:27,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:23:27" (1/1) ... [2020-10-29 18:23:27,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:23:27" (1/1) ... [2020-10-29 18:23:27,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:23:27" (1/1) ... [2020-10-29 18:23:27,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:23:27" (1/1) ... [2020-10-29 18:23:27,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 18:23:27,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 18:23:27,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 18:23:27,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 18:23:27,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:23:27" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 18:23:27,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 18:23:27,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 18:23:27,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-10-29 18:23:27,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-29 18:23:27,512 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 18:23:27,512 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-29 18:23:27,513 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-29 18:23:27,513 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-29 18:23:27,513 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-10-29 18:23:27,513 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2020-10-29 18:23:27,513 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_share_check [2020-10-29 18:23:27,514 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-10-29 18:23:27,514 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-10-29 18:23:27,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2020-10-29 18:23:27,514 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow [2020-10-29 18:23:27,514 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 18:23:27,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2020-10-29 18:23:27,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 18:23:27,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-29 18:23:27,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-29 18:23:27,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-29 18:23:27,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 18:23:27,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-29 18:23:27,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 18:23:27,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-29 18:23:27,516 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-29 18:23:27,516 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-29 18:23:27,517 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_off [2020-10-29 18:23:27,517 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2020-10-29 18:23:27,517 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2020-10-29 18:23:27,517 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connect_disconnect [2020-10-29 18:23:27,517 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connected [2020-10-29 18:23:27,517 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_disconnected [2020-10-29 18:23:27,517 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_indication [2020-10-29 18:23:27,518 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_transmit [2020-10-29 18:23:27,518 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_xmit [2020-10-29 18:23:27,518 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_open [2020-10-29 18:23:27,518 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_close [2020-10-29 18:23:27,518 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_rx [2020-10-29 18:23:27,518 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_ioctl [2020-10-29 18:23:27,519 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_init [2020-10-29 18:23:27,519 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_exit [2020-10-29 18:23:27,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hdlc_proto_1 [2020-10-29 18:23:27,519 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 18:23:27,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-29 18:23:27,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-29 18:23:27,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-29 18:23:27,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-29 18:23:27,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-29 18:23:27,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2020-10-29 18:23:27,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-10-29 18:23:27,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2020-10-29 18:23:27,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-29 18:23:27,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-29 18:23:27,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-29 18:23:27,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-29 18:23:27,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-29 18:23:27,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-29 18:23:27,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-29 18:23:27,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-29 18:23:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-29 18:23:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-29 18:23:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 18:23:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-29 18:23:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-29 18:23:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-29 18:23:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-29 18:23:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-29 18:23:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 18:23:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-10-29 18:23:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-10-29 18:23:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_hdlc_protocol [2020-10-29 18:23:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-10-29 18:23:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_connect_request [2020-10-29 18:23:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_received [2020-10-29 18:23:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_request [2020-10-29 18:23:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_disconnect_request [2020-10-29 18:23:27,524 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_register [2020-10-29 18:23:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_unregister [2020-10-29 18:23:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2020-10-29 18:23:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-10-29 18:23:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-10-29 18:23:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure register_hdlc_protocol [2020-10-29 18:23:27,525 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-29 18:23:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-29 18:23:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-29 18:23:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-29 18:23:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_protocol [2020-10-29 18:23:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 18:23:27,526 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-29 18:23:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 18:23:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 18:23:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 18:23:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 18:23:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 18:23:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 18:23:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 18:23:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-29 18:23:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-10-29 18:23:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-29 18:23:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 18:23:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-29 18:23:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-29 18:23:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-29 18:23:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-29 18:23:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-29 18:23:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-29 18:23:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-29 18:23:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-10-29 18:23:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-29 18:23:27,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 18:23:27,530 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-10-29 18:23:27,530 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2020-10-29 18:23:27,530 INFO L130 BoogieDeclarations]: Found specification of procedure skb_share_check [2020-10-29 18:23:27,530 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-29 18:23:27,530 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-29 18:23:27,530 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-29 18:23:27,531 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-10-29 18:23:27,531 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-10-29 18:23:27,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 18:23:27,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2020-10-29 18:23:27,531 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2020-10-29 18:23:27,531 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow [2020-10-29 18:23:27,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-29 18:23:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-29 18:23:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-29 18:23:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 18:23:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 18:23:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 18:23:27,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 18:23:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 18:23:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2020-10-29 18:23:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 18:23:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-29 18:23:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 18:23:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 18:23:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-29 18:23:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-29 18:23:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 18:23:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-29 18:23:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-29 18:23:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hdlc_proto_1 [2020-10-29 18:23:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-29 18:23:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-10-29 18:23:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-29 18:23:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-10-29 18:23:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2020-10-29 18:23:27,535 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2020-10-29 18:23:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_off [2020-10-29 18:23:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-10-29 18:23:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure register_hdlc_protocol [2020-10-29 18:23:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_protocol [2020-10-29 18:23:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2020-10-29 18:23:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure attach_hdlc_protocol [2020-10-29 18:23:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_register [2020-10-29 18:23:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_unregister [2020-10-29 18:23:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_connect_request [2020-10-29 18:23:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_disconnect_request [2020-10-29 18:23:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_request [2020-10-29 18:23:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_received [2020-10-29 18:23:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2020-10-29 18:23:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 18:23:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure x25_ioctl [2020-10-29 18:23:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connect_disconnect [2020-10-29 18:23:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connected [2020-10-29 18:23:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure x25_disconnected [2020-10-29 18:23:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_indication [2020-10-29 18:23:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_transmit [2020-10-29 18:23:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-10-29 18:23:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure x25_xmit [2020-10-29 18:23:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure x25_open [2020-10-29 18:23:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 18:23:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure x25_close [2020-10-29 18:23:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure x25_rx [2020-10-29 18:23:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-29 18:23:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure mod_init [2020-10-29 18:23:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure mod_exit [2020-10-29 18:23:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 18:23:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 18:23:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 18:23:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-29 18:23:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-29 18:23:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-29 18:23:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-29 18:23:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-29 18:23:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-29 18:23:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-29 18:23:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-29 18:23:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-29 18:23:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-29 18:23:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-29 18:23:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-29 18:23:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-29 18:23:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 18:23:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 18:23:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 18:23:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 18:23:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 18:23:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 18:23:28,106 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-29 18:23:28,915 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 18:23:28,915 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-29 18:23:28,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:23:28 BoogieIcfgContainer [2020-10-29 18:23:28,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 18:23:28,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 18:23:28,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 18:23:28,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 18:23:28,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:23:25" (1/3) ... [2020-10-29 18:23:28,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d13f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:23:28, skipping insertion in model container [2020-10-29 18:23:28,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:23:27" (2/3) ... [2020-10-29 18:23:28,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d13f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:23:28, skipping insertion in model container [2020-10-29 18:23:28,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:23:28" (3/3) ... [2020-10-29 18:23:28,932 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-10-29 18:23:28,944 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 18:23:28,950 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 18:23:28,964 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 18:23:28,996 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 18:23:28,996 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 18:23:28,996 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 18:23:28,996 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 18:23:28,996 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 18:23:28,996 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 18:23:28,997 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 18:23:28,997 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 18:23:29,027 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states. [2020-10-29 18:23:29,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-29 18:23:29,041 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:23:29,042 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] [2020-10-29 18:23:29,042 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:23:29,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:23:29,049 INFO L82 PathProgramCache]: Analyzing trace with hash -664638677, now seen corresponding path program 1 times [2020-10-29 18:23:29,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:23:29,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1771080411] [2020-10-29 18:23:29,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:23:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:29,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:29,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:29,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:30,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:30,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-29 18:23:30,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 18:23:30,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1234 [2020-10-29 18:23:30,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:30,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:30,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 18:23:30,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-29 18:23:30,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-29 18:23:30,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 18:23:30,846 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 18:23:30,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:23:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:30,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:30,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:30,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:23:30,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:30,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 18:23:30,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:30,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:30,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:30,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:30,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:30,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:23:30,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:23:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:30,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:30,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:30,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:30,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 18:23:30,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:23:30,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 18:23:30,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:30,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:30,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 18:23:31,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:31,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-29 18:23:31,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:23:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:31,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:31,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:31,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:23:31,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:31,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 18:23:31,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:31,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:31,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:31,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:31,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:31,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:23:31,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:23:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:31,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:31,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:31,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:23:31,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:31,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 18:23:31,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:31,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:31,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:31,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 18:23:31,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:31,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:23:31,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 18:23:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:31,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:31,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:31,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:23:31,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:31,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 18:23:31,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:31,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:31,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:23:31,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:31,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:23:31,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:23:31,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:23:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:31,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:31,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:31,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:23:31,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:31,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 18:23:31,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:31,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:31,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:23:31,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:31,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 18:23:31,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:23:31,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 18:23:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:31,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:31,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:31,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:23:31,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:31,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 18:23:31,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:31,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:31,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:23:31,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:31,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 18:23:31,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:23:31,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:23:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:31,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:31,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:31,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:23:31,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:31,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 18:23:31,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:31,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:31,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:31,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:31,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:31,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:23:31,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 18:23:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:31,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:31,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:31,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:23:31,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:31,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 18:23:31,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:31,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:31,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 18:23:31,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:31,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:23:31,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:23:31,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 18:23:31,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1771080411] [2020-10-29 18:23:31,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 18:23:31,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 18:23:31,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546755458] [2020-10-29 18:23:31,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 18:23:31,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:23:31,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 18:23:31,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-29 18:23:31,339 INFO L87 Difference]: Start difference. First operand 481 states. Second operand 10 states. [2020-10-29 18:23:31,522 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 18:23:31,728 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-29 18:23:31,940 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-29 18:23:33,214 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-10-29 18:23:33,492 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 18:23:33,722 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 18:23:35,882 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-29 18:23:39,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:23:39,974 INFO L93 Difference]: Finished difference Result 1344 states and 1808 transitions. [2020-10-29 18:23:39,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 18:23:39,976 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2020-10-29 18:23:39,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:23:40,006 INFO L225 Difference]: With dead ends: 1344 [2020-10-29 18:23:40,006 INFO L226 Difference]: Without dead ends: 918 [2020-10-29 18:23:40,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2020-10-29 18:23:40,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2020-10-29 18:23:40,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 781. [2020-10-29 18:23:40,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 781 states. [2020-10-29 18:23:40,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 962 transitions. [2020-10-29 18:23:40,311 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 962 transitions. Word has length 56 [2020-10-29 18:23:40,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:23:40,312 INFO L481 AbstractCegarLoop]: Abstraction has 781 states and 962 transitions. [2020-10-29 18:23:40,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 18:23:40,314 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 962 transitions. [2020-10-29 18:23:40,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-29 18:23:40,337 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:23:40,337 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 18:23:40,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 18:23:40,338 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:23:40,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:23:40,340 INFO L82 PathProgramCache]: Analyzing trace with hash -375913455, now seen corresponding path program 1 times [2020-10-29 18:23:40,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:23:40,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399325966] [2020-10-29 18:23:40,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:23:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:40,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:40,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:40,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:41,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:41,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:43,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:43,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-29 18:23:43,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 18:23:43,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3293 [2020-10-29 18:23:43,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:43,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:23:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-29 18:23:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-29 18:23:43,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:23:43,884 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 18:23:43,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:23:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:43,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:43,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:43,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:23:43,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:43,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 18:23:43,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:43,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:43,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:43,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:43,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:43,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:23:43,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:23:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:43,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:43,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:43,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 18:23:43,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:43,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 18:23:43,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:43,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:43,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:43,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:43,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:43,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:23:43,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:23:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:43,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:43,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:43,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:23:43,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:43,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 18:23:43,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:43,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:43,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:43,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:43,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:43,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:23:44,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:23:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:44,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:44,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:44,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:23:44,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:44,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:23:44,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:44,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:44,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:44,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:44,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:44,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:23:44,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 18:23:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:44,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:44,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:44,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:23:44,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:44,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:23:44,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:44,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:44,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:44,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:44,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:44,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:23:44,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:23:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:44,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:44,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:44,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:23:44,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:44,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:23:44,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:44,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:44,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:44,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:44,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:44,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:23:44,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 18:23:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:44,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:44,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:44,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:44,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-29 18:23:44,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:23:44,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-29 18:23:44,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:44,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:44,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:23:44,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:44,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-29 18:23:44,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:23:44,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:23:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:44,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:44,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:44,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:23:44,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:44,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:23:44,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:44,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:44,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:44,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:44,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:44,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:23:44,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 18:23:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:44,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:44,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:44,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:23:44,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:44,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:23:44,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:44,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:44,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:44,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:44,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:44,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:23:44,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 18:23:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:44,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:44,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:44,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:44,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 18:23:44,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:23:44,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-29 18:23:44,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:44,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:44,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:23:44,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 18:23:44,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 18:23:44,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:23:44,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:23:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:44,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:44,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:44,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 18:23:44,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:44,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 18:23:44,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:44,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:44,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:23:44,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 18:23:44,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 18:23:44,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:23:44,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 18:23:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:44,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:44,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:44,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:23:44,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:44,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 18:23:44,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:44,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:44,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:44,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-29 18:23:44,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:44,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:23:44,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:23:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:44,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:44,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:44,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:23:44,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:44,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:23:44,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:44,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:44,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:44,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:44,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:44,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:23:44,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-29 18:23:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:44,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:44,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:44,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:23:44,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:44,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:23:44,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:44,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:44,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:44,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:23:44,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:44,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:23:44,380 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-29 18:23:44,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399325966] [2020-10-29 18:23:44,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 18:23:44,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 18:23:44,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214746150] [2020-10-29 18:23:44,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 18:23:44,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:23:44,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 18:23:44,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-29 18:23:44,386 INFO L87 Difference]: Start difference. First operand 781 states and 962 transitions. Second operand 10 states. [2020-10-29 18:23:44,512 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 18:23:44,714 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-29 18:23:44,886 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-29 18:23:46,228 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 18:23:48,051 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 18:23:50,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:23:50,774 INFO L93 Difference]: Finished difference Result 2187 states and 2907 transitions. [2020-10-29 18:23:50,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 18:23:50,775 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2020-10-29 18:23:50,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:23:50,788 INFO L225 Difference]: With dead ends: 2187 [2020-10-29 18:23:50,789 INFO L226 Difference]: Without dead ends: 1763 [2020-10-29 18:23:50,792 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-10-29 18:23:50,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2020-10-29 18:23:50,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1493. [2020-10-29 18:23:50,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1493 states. [2020-10-29 18:23:50,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 1848 transitions. [2020-10-29 18:23:50,983 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 1848 transitions. Word has length 98 [2020-10-29 18:23:50,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:23:50,984 INFO L481 AbstractCegarLoop]: Abstraction has 1493 states and 1848 transitions. [2020-10-29 18:23:50,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 18:23:50,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1848 transitions. [2020-10-29 18:23:50,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-29 18:23:50,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:23:50,990 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 18:23:50,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 18:23:50,990 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:23:50,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:23:50,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1122841170, now seen corresponding path program 1 times [2020-10-29 18:23:50,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:23:50,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [183775459] [2020-10-29 18:23:50,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:23:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:51,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:51,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:51,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:51,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:54,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:54,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:55,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:56,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:56,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-29 18:23:56,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 18:23:56,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-29 18:23:56,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:56,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:56,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 18:23:56,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:23:56,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-29 18:23:56,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:23:56,270 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 18:23:56,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:23:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:56,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:56,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:56,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:23:56,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:56,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 18:23:56,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:56,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:56,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:23:56,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:56,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 18:23:56,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:23:56,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:23:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:56,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:56,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:56,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 18:23:56,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:56,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 18:23:56,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:56,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:23:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:56,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 18:23:56,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:23:56,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:23:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:56,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:56,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:56,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:23:56,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:56,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 18:23:56,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:56,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:56,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:56,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:56,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:56,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:23:56,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:23:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:56,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:56,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:56,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:23:56,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:56,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:23:56,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:56,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:56,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:56,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:56,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:56,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:23:56,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 18:23:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:56,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:56,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:56,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:23:56,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:56,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 18:23:56,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:56,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:56,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:23:56,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:56,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 18:23:56,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:23:56,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:23:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:56,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:56,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:56,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:23:56,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:56,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:23:56,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:56,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:56,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:56,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:23:56,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 18:23:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:56,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:56,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:56,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 18:23:56,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:56,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-29 18:23:56,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:56,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:56,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 18:23:56,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 18:23:56,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-29 18:23:56,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:23:56,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:23:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:56,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:56,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:56,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:23:56,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:56,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 18:23:56,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:56,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:56,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 18:23:56,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:56,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 18:23:56,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:23:56,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 18:23:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:56,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:56,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:56,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:23:56,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:56,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 18:23:56,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:56,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:56,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:23:56,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:56,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:23:56,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:23:56,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 18:23:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:56,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:56,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:56,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-29 18:23:56,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:56,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 18:23:56,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:56,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:56,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:23:56,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:56,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 18:23:56,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:23:56,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:23:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:56,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:56,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:56,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 18:23:56,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:56,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 18:23:56,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:56,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:56,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:56,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:56,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:56,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:23:56,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-29 18:23:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:56,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:56,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:56,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 18:23:56,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:56,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:23:56,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:56,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:56,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:56,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 18:23:56,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:56,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:23:56,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:23:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:56,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:56,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:56,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:23:56,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:56,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:23:56,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:56,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:56,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:56,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:23:56,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:56,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:23:56,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-29 18:23:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:23:56,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:23:56,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:23:56,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:23:56,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:23:56,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:23:56,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:23:56,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:23:56,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:23:56,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:23:56,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:23:56,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:23:56,964 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-29 18:23:56,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [183775459] [2020-10-29 18:23:56,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 18:23:56,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 18:23:56,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120917778] [2020-10-29 18:23:56,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 18:23:56,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:23:56,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 18:23:56,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-29 18:23:56,967 INFO L87 Difference]: Start difference. First operand 1493 states and 1848 transitions. Second operand 13 states. [2020-10-29 18:23:57,100 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 18:23:57,309 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 18:23:57,515 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 18:23:57,730 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 18:23:57,893 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-29 18:23:58,215 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-29 18:24:00,305 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 18:24:01,063 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-29 18:24:01,254 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 18:24:01,431 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 18:24:01,691 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 18:24:06,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:24:06,183 INFO L93 Difference]: Finished difference Result 4154 states and 5303 transitions. [2020-10-29 18:24:06,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-29 18:24:06,184 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 104 [2020-10-29 18:24:06,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:24:06,200 INFO L225 Difference]: With dead ends: 4154 [2020-10-29 18:24:06,201 INFO L226 Difference]: Without dead ends: 2371 [2020-10-29 18:24:06,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=311, Invalid=1095, Unknown=0, NotChecked=0, Total=1406 [2020-10-29 18:24:06,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2371 states. [2020-10-29 18:24:06,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2371 to 1994. [2020-10-29 18:24:06,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2020-10-29 18:24:06,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2455 transitions. [2020-10-29 18:24:06,460 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2455 transitions. Word has length 104 [2020-10-29 18:24:06,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:24:06,460 INFO L481 AbstractCegarLoop]: Abstraction has 1994 states and 2455 transitions. [2020-10-29 18:24:06,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 18:24:06,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2455 transitions. [2020-10-29 18:24:06,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-29 18:24:06,465 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:24:06,465 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 18:24:06,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 18:24:06,466 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:24:06,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:24:06,466 INFO L82 PathProgramCache]: Analyzing trace with hash 507743817, now seen corresponding path program 1 times [2020-10-29 18:24:06,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:24:06,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [396691070] [2020-10-29 18:24:06,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:24:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:06,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:06,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:06,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:06,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:07,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:11,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:11,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-29 18:24:11,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 18:24:11,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-29 18:24:11,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:11,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:11,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 18:24:11,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-29 18:24:11,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 18:24:11,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:11,679 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 18:24:11,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:24:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:11,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:11,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:11,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:11,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:11,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 18:24:11,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:11,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:11,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:11,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:11,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:11,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:11,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:24:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:11,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:11,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:11,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 18:24:11,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:11,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 18:24:11,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:11,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:11,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:11,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:11,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:11,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:11,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:11,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:11,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:11,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:11,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:11,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:24:11,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:11,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:11,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:11,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:11,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:11,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:11,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:24:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:11,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:11,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:11,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:24:11,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:11,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:24:11,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:11,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:11,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:11,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:11,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:11,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:11,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 18:24:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:11,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:11,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:11,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:24:11,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:11,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 18:24:11,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:11,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:11,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:24:11,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:11,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:24:11,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:11,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:24:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:11,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:11,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:11,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:11,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:11,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 18:24:11,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:11,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:11,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:24:11,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:11,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 18:24:11,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:11,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 18:24:11,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:11,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:11,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:13,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:16,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:16,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 18:24:16,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 18:24:16,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 18:24:16,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:16,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:16,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 18:24:16,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:24:16,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-29 18:24:16,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:16,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:16,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:17,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:19,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:19,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 18:24:19,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:24:19,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2592 [2020-10-29 18:24:19,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:19,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:19,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 18:24:19,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:24:19,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 18:24:19,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:19,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 18:24:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:19,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:19,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:19,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 18:24:19,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:19,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 18:24:19,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:19,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:19,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:24:19,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:19,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 18:24:19,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:19,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:19,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:19,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:19,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:19,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:19,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 18:24:19,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:19,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:19,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:19,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:19,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:19,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 18:24:19,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 18:24:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:19,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:19,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:19,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 18:24:19,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:19,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 18:24:19,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:19,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:19,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:24:19,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:19,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 18:24:19,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:19,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:19,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:19,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:19,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:24:19,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:19,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:24:19,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:19,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:19,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:19,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:19,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:19,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:19,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 18:24:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:19,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:19,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:19,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:19,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:19,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 18:24:19,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:19,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:19,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:24:19,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:19,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:24:19,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:19,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 18:24:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:19,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:19,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:19,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-29 18:24:19,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:19,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-29 18:24:19,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:19,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:19,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 18:24:19,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:24:19,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 18:24:19,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:19,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:19,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:19,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:19,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-29 18:24:19,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:19,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-29 18:24:19,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:19,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 18:24:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:24:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 18:24:19,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:19,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:19,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:20,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:20,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 18:24:20,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:20,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 18:24:20,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:20,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:20,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 18:24:20,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:24:20,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 18:24:20,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:20,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-29 18:24:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:20,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:20,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:20,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 18:24:20,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:20,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:24:20,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:20,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:20,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:20,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 18:24:20,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:20,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:20,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:24:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:20,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:20,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:20,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:20,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:20,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:24:20,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:20,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:20,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:20,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:20,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:20,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:20,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-29 18:24:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:20,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:20,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:20,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:20,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:20,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:24:20,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:20,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:20,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:20,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:24:20,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:20,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:20,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 18:24:20,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [396691070] [2020-10-29 18:24:20,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 18:24:20,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-29 18:24:20,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021388692] [2020-10-29 18:24:20,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 18:24:20,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:24:20,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 18:24:20,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-29 18:24:20,148 INFO L87 Difference]: Start difference. First operand 1994 states and 2455 transitions. Second operand 12 states. [2020-10-29 18:24:20,279 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 18:24:20,532 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-29 18:24:20,712 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-29 18:24:22,458 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2020-10-29 18:24:24,374 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2020-10-29 18:24:24,699 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-10-29 18:24:24,934 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-29 18:24:29,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:24:29,731 INFO L93 Difference]: Finished difference Result 4256 states and 5440 transitions. [2020-10-29 18:24:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-29 18:24:29,732 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 130 [2020-10-29 18:24:29,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:24:29,746 INFO L225 Difference]: With dead ends: 4256 [2020-10-29 18:24:29,746 INFO L226 Difference]: Without dead ends: 2288 [2020-10-29 18:24:29,753 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 36 SyntacticMatches, 4 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=225, Invalid=767, Unknown=0, NotChecked=0, Total=992 [2020-10-29 18:24:29,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2288 states. [2020-10-29 18:24:29,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2288 to 1704. [2020-10-29 18:24:29,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1704 states. [2020-10-29 18:24:29,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 2049 transitions. [2020-10-29 18:24:29,949 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 2049 transitions. Word has length 130 [2020-10-29 18:24:29,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:24:29,950 INFO L481 AbstractCegarLoop]: Abstraction has 1704 states and 2049 transitions. [2020-10-29 18:24:29,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 18:24:29,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2049 transitions. [2020-10-29 18:24:29,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-29 18:24:29,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:24:29,956 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 18:24:29,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 18:24:29,956 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:24:29,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:24:29,957 INFO L82 PathProgramCache]: Analyzing trace with hash 677694442, now seen corresponding path program 1 times [2020-10-29 18:24:29,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:24:29,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [256339633] [2020-10-29 18:24:29,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:24:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:30,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:30,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:31,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:35,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:35,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-29 18:24:35,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 18:24:35,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-29 18:24:35,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:35,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:35,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-29 18:24:35,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-29 18:24:35,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-29 18:24:35,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:35,188 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 18:24:35,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:24:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:35,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:35,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:35,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:35,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:35,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 18:24:35,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:35,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:35,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:35,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:35,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:35,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:35,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:24:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:35,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:35,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:35,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 18:24:35,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:35,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 18:24:35,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:35,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:35,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:35,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:35,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:35,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:35,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:35,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:35,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:35,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:35,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:35,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:24:35,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:35,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:35,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:35,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:35,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:35,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:35,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:24:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:35,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:35,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:35,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:24:35,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:35,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 18:24:35,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:35,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:35,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:35,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:35,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:35,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:35,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 18:24:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:35,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:35,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:35,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:24:35,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:35,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 18:24:35,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:35,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:35,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:24:35,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:35,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:24:35,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:35,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:24:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:35,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:35,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:35,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:35,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:35,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:24:35,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:35,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:35,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:24:35,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:35,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 18:24:35,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:35,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 18:24:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:35,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:35,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:35,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 18:24:35,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:35,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:24:35,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:35,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:24:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 18:24:35,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:35,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:24:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:35,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:35,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:35,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:35,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:35,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:24:35,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:35,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:35,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:35,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:35,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:35,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:35,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 18:24:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:35,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:35,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:35,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 18:24:35,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:35,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 18:24:35,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:35,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:35,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:24:35,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:35,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-29 18:24:35,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:35,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:35,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:35,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:35,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 18:24:35,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:35,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 18:24:35,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:35,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:35,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:35,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:35,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:35,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:35,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:35,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:35,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:35,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:35,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:35,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:24:35,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:35,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:35,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:35,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:35,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:35,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:35,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:24:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:35,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:35,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:35,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:24:35,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:35,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 18:24:35,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:35,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:35,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:35,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:35,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:35,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 18:24:35,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 18:24:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:35,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:35,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:35,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 18:24:35,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:35,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 18:24:35,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:35,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:35,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:35,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:35,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:35,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:35,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:35,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:35,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:35,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:35,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:35,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:24:35,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:35,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:35,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:35,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:35,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:35,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:35,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:24:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:35,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:35,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:35,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:24:35,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:35,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 18:24:35,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:35,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:35,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:35,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:35,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:35,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:35,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-29 18:24:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:35,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:36,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:36,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-29 18:24:36,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:36,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 576 [2020-10-29 18:24:36,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:36,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:36,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-29 18:24:36,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:24:36,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 18:24:36,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:36,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:36,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:36,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:36,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:24:36,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:36,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:24:36,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:36,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:36,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:24:36,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:36,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:24:36,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:36,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 18:24:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:36,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:36,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:36,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:24:36,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:36,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:24:36,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:36,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:36,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:24:36,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:36,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:24:36,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:36,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 18:24:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:36,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:36,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:36,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:36,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:36,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:24:36,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:36,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:36,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:24:36,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:36,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 18:24:36,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:36,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 18:24:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:36,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:36,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:36,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 18:24:36,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:36,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 298 [2020-10-29 18:24:36,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:36,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:36,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 18:24:36,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:24:36,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-29 18:24:36,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:36,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:36,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:36,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:36,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-29 18:24:36,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:36,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-29 18:24:36,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:36,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:36,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 18:24:36,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:24:36,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-29 18:24:36,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:36,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:36,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:36,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:36,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-29 18:24:36,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:36,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-29 18:24:36,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:36,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:36,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 18:24:36,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:24:36,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-29 18:24:36,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:36,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:36,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:37,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:37,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 18:24:37,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:37,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-29 18:24:37,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:37,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:37,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 18:24:37,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:24:37,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 18:24:37,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:37,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:37,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:37,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:37,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 18:24:37,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:37,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 18:24:37,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:37,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:37,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:24:37,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:37,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 18:24:37,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:37,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:37,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:37,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:37,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:37,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:37,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:24:37,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:37,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:37,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:37,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:37,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:37,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:37,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:24:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:37,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:37,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:37,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:24:37,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:37,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 18:24:37,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:37,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:37,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:37,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:37,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:37,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:37,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 18:24:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:37,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:37,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:37,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 18:24:37,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:37,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 18:24:37,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:37,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:37,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 18:24:37,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:24:37,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 18:24:37,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:37,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 18:24:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:37,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:37,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:37,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 18:24:37,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:37,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 18:24:37,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:37,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:37,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 18:24:37,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:24:37,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 18:24:37,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:37,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:37,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:37,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:37,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 18:24:37,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:37,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 18:24:37,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:37,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:37,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 18:24:37,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 18:24:37,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 18:24:37,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:37,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-29 18:24:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:37,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:37,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:37,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:24:37,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:37,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:24:37,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:37,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:37,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:37,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-29 18:24:37,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:37,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:37,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:24:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:37,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:37,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:37,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:37,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:37,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 18:24:37,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:37,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:37,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:37,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:37,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:37,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:37,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-29 18:24:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:37,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:37,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:37,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:37,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:37,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:24:37,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:37,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:37,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:37,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:24:37,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:37,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:37,422 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-10-29 18:24:37,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [256339633] [2020-10-29 18:24:37,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 18:24:37,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-29 18:24:37,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257792839] [2020-10-29 18:24:37,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 18:24:37,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:24:37,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 18:24:37,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2020-10-29 18:24:37,426 INFO L87 Difference]: Start difference. First operand 1704 states and 2049 transitions. Second operand 15 states. [2020-10-29 18:24:37,561 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 18:24:37,770 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-29 18:24:37,948 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-29 18:24:39,557 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 18:24:39,746 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-29 18:24:39,983 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 18:24:43,472 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 18:24:43,648 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 18:24:43,882 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-29 18:24:48,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:24:48,178 INFO L93 Difference]: Finished difference Result 4270 states and 5507 transitions. [2020-10-29 18:24:48,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-29 18:24:48,179 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 198 [2020-10-29 18:24:48,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:24:48,202 INFO L225 Difference]: With dead ends: 4270 [2020-10-29 18:24:48,202 INFO L226 Difference]: Without dead ends: 3467 [2020-10-29 18:24:48,207 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 61 SyntacticMatches, 6 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=304, Invalid=1102, Unknown=0, NotChecked=0, Total=1406 [2020-10-29 18:24:48,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3467 states. [2020-10-29 18:24:48,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3467 to 2736. [2020-10-29 18:24:48,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2736 states. [2020-10-29 18:24:48,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2736 states to 2736 states and 3445 transitions. [2020-10-29 18:24:48,529 INFO L78 Accepts]: Start accepts. Automaton has 2736 states and 3445 transitions. Word has length 198 [2020-10-29 18:24:48,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:24:48,530 INFO L481 AbstractCegarLoop]: Abstraction has 2736 states and 3445 transitions. [2020-10-29 18:24:48,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 18:24:48,530 INFO L276 IsEmpty]: Start isEmpty. Operand 2736 states and 3445 transitions. [2020-10-29 18:24:48,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-29 18:24:48,538 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:24:48,538 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 18:24:48,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 18:24:48,539 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:24:48,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:24:48,539 INFO L82 PathProgramCache]: Analyzing trace with hash -912636503, now seen corresponding path program 1 times [2020-10-29 18:24:48,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:24:48,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1641159429] [2020-10-29 18:24:48,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:24:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:48,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:48,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:48,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:49,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:49,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-29 18:24:49,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 18:24:49,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 967 [2020-10-29 18:24:49,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:49,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:24:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-29 18:24:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-29 18:24:49,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:49,697 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-29 18:24:49,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:24:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:49,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:49,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:49,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:49,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:49,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 18:24:49,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:49,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:49,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:49,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:49,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:49,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:49,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:24:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:49,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:49,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:49,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 18:24:49,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:49,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 18:24:49,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:49,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:49,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:49,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:49,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:49,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:49,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:49,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:49,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:49,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:49,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:49,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:24:49,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:49,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:49,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:49,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:49,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:49,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:49,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:24:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:49,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:49,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:49,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:24:49,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:49,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:24:49,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:49,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:49,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:49,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:49,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:49,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:49,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 18:24:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:49,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:49,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:49,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:24:49,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:49,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:24:49,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:49,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:49,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:49,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:49,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:49,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:49,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:24:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:49,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:49,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:49,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:49,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:49,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 18:24:49,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:49,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:49,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:49,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:49,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:49,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:49,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 18:24:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:49,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:49,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:49,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 18:24:49,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:49,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:24:49,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:49,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:49,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:49,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:49,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:49,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:49,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:24:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:49,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:49,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:49,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:49,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:49,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:24:49,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:49,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:49,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:49,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:49,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:49,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:49,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 18:24:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:49,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:49,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:49,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 18:24:49,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:49,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-29 18:24:49,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:49,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:49,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 18:24:49,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:49,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-29 18:24:49,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:49,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:49,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:49,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:49,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 18:24:49,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:49,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 18:24:49,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:49,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:49,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:49,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:49,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:49,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:49,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:49,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:49,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:49,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:49,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:49,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 18:24:49,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:49,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:49,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:49,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:49,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:49,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:49,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:24:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:49,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:49,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:49,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:24:49,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:49,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:24:49,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:49,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:49,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:49,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:49,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:49,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:49,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 18:24:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:49,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:50,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:50,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 18:24:50,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:50,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 18:24:50,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:50,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:50,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:50,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:50,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:50,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:50,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:50,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:50,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:50,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:50,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 18:24:50,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:50,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:50,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:50,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:50,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:50,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:50,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:24:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:50,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:50,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:50,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:24:50,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:50,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:24:50,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:50,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:50,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:50,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:50,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:50,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:50,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-29 18:24:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:50,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:50,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:50,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:50,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 18:24:50,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 18:24:50,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-29 18:24:50,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:50,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:50,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 18:24:50,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-29 18:24:50,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:24:50,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:50,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:50,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:50,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:50,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:24:50,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:50,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:24:50,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:50,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:50,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:50,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:50,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:50,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:50,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 18:24:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:50,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:50,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:50,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:24:50,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:50,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:24:50,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:50,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:50,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:50,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:50,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:50,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:50,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 18:24:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:50,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:50,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:50,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:50,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:50,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:24:50,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:50,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:50,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:50,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:50,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:50,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:50,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 18:24:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:50,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:50,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:50,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-29 18:24:50,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:50,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 18:24:50,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:50,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:50,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:50,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:50,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:50,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:50,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:50,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:50,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:50,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-29 18:24:50,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:50,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 18:24:50,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:50,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:50,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:50,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:50,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:50,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:50,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:50,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:50,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:50,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-29 18:24:50,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:50,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 18:24:50,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:50,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:50,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:50,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:50,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:50,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:50,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:50,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:50,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:50,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 18:24:50,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:50,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 18:24:50,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:50,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:50,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:50,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:50,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:50,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:50,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:50,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:50,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:50,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 18:24:50,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:50,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 18:24:50,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:50,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:50,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:50,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:50,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:50,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:50,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:50,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:50,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:50,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:50,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:50,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:24:50,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:50,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:50,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:50,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:50,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:50,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:50,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 18:24:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:50,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:50,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:50,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 18:24:50,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:50,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:24:50,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:50,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:50,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:50,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:50,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:50,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:50,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 18:24:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:50,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:50,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:50,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 18:24:50,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:50,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 18:24:50,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:50,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:50,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:50,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:50,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:50,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:50,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 18:24:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:50,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:50,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:50,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 18:24:50,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:50,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 18:24:50,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:50,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:50,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 18:24:50,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 18:24:50,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:24:50,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:50,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 18:24:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:50,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:50,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:50,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:24:50,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:50,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 18:24:50,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:50,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:50,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 18:24:50,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 18:24:50,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 18:24:50,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:50,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-29 18:24:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:50,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:50,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:50,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 18:24:50,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:50,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:24:50,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:50,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:50,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:50,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-29 18:24:50,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:50,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:50,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 18:24:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:50,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:50,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:50,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:50,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:50,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 18:24:50,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:50,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:50,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:50,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 18:24:50,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:50,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 18:24:50,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-29 18:24:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 18:24:50,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 18:24:50,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 18:24:50,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 18:24:50,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 18:24:50,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 18:24:50,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 18:24:50,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 18:24:50,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 18:24:50,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 18:24:50,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 18:24:50,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 18:24:50,895 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-10-29 18:24:50,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1641159429] [2020-10-29 18:24:50,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 18:24:50,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-29 18:24:50,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157574246] [2020-10-29 18:24:50,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 18:24:50,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 18:24:50,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 18:24:50,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-29 18:24:50,898 INFO L87 Difference]: Start difference. First operand 2736 states and 3445 transitions. Second operand 12 states. [2020-10-29 18:24:51,027 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-29 18:24:51,413 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-29 18:24:52,293 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-29 18:24:53,815 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 18:24:53,998 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-29 18:24:56,279 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-29 18:24:56,879 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-29 18:24:58,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 18:24:58,968 INFO L93 Difference]: Finished difference Result 8671 states and 11394 transitions. [2020-10-29 18:24:58,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-29 18:24:58,972 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 200 [2020-10-29 18:24:58,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 18:24:59,008 INFO L225 Difference]: With dead ends: 8671 [2020-10-29 18:24:59,008 INFO L226 Difference]: Without dead ends: 5960 [2020-10-29 18:24:59,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=206, Invalid=606, Unknown=0, NotChecked=0, Total=812 [2020-10-29 18:24:59,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5960 states. [2020-10-29 18:24:59,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5960 to 5135. [2020-10-29 18:24:59,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5135 states. [2020-10-29 18:24:59,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5135 states to 5135 states and 6367 transitions. [2020-10-29 18:24:59,733 INFO L78 Accepts]: Start accepts. Automaton has 5135 states and 6367 transitions. Word has length 200 [2020-10-29 18:24:59,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 18:24:59,735 INFO L481 AbstractCegarLoop]: Abstraction has 5135 states and 6367 transitions. [2020-10-29 18:24:59,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 18:24:59,735 INFO L276 IsEmpty]: Start isEmpty. Operand 5135 states and 6367 transitions. [2020-10-29 18:24:59,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-29 18:24:59,746 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 18:24:59,747 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 18:24:59,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 18:24:59,747 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 18:24:59,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 18:24:59,748 INFO L82 PathProgramCache]: Analyzing trace with hash 983401014, now seen corresponding path program 1 times [2020-10-29 18:24:59,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 18:24:59,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [53910991] [2020-10-29 18:24:59,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 18:24:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-29 18:24:59,820 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-29 18:24:59,820 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-29 18:24:59,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 18:24:59,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:24:59 BoogieIcfgContainer [2020-10-29 18:24:59,874 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 18:24:59,879 INFO L168 Benchmark]: Toolchain (without parser) took 94567.54 ms. Allocated memory was 154.1 MB in the beginning and 1.0 GB in the end (delta: 856.7 MB). Free memory was 122.5 MB in the beginning and 725.8 MB in the end (delta: -603.3 MB). Peak memory consumption was 253.8 MB. Max. memory is 8.0 GB. [2020-10-29 18:24:59,883 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 154.1 MB. Free memory is still 129.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 18:24:59,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1893.35 ms. Allocated memory was 154.1 MB in the beginning and 233.8 MB in the end (delta: 79.7 MB). Free memory was 121.9 MB in the beginning and 175.6 MB in the end (delta: -53.8 MB). Peak memory consumption was 87.3 MB. Max. memory is 8.0 GB. [2020-10-29 18:24:59,885 INFO L168 Benchmark]: Boogie Preprocessor took 198.24 ms. Allocated memory is still 233.8 MB. Free memory was 175.6 MB in the beginning and 168.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-10-29 18:24:59,888 INFO L168 Benchmark]: RCFGBuilder took 1510.77 ms. Allocated memory is still 233.8 MB. Free memory was 168.8 MB in the beginning and 130.7 MB in the end (delta: 38.1 MB). Peak memory consumption was 41.8 MB. Max. memory is 8.0 GB. [2020-10-29 18:24:59,890 INFO L168 Benchmark]: TraceAbstraction took 90953.89 ms. Allocated memory was 233.8 MB in the beginning and 1.0 GB in the end (delta: 777.0 MB). Free memory was 130.2 MB in the beginning and 725.8 MB in the end (delta: -595.6 MB). Peak memory consumption was 181.3 MB. Max. memory is 8.0 GB. [2020-10-29 18:24:59,898 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 154.1 MB. Free memory is still 129.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1893.35 ms. Allocated memory was 154.1 MB in the beginning and 233.8 MB in the end (delta: 79.7 MB). Free memory was 121.9 MB in the beginning and 175.6 MB in the end (delta: -53.8 MB). Peak memory consumption was 87.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 198.24 ms. Allocated memory is still 233.8 MB. Free memory was 175.6 MB in the beginning and 168.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1510.77 ms. Allocated memory is still 233.8 MB. Free memory was 168.8 MB in the beginning and 130.7 MB in the end (delta: 38.1 MB). Peak memory consumption was 41.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 90953.89 ms. Allocated memory was 233.8 MB in the beginning and 1.0 GB in the end (delta: 777.0 MB). Free memory was 130.2 MB in the beginning and 725.8 MB in the end (delta: -595.6 MB). Peak memory consumption was 181.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L5343] int LDV_IN_INTERRUPT = 1; [L5344] struct sk_buff *proto_group0 ; [L5345] int ref_cnt ; [L5346] int ldv_state_variable_1 ; [L5347] struct net_device *proto_group1 ; [L5348] int ldv_state_variable_0 ; [L5564-L5566] static struct hdlc_proto proto = {& x25_open, & x25_close, 0, 0, 0, & x25_ioctl, 0, & x25_rx, & x25_xmit, & __this_module, 0}; [L5633] int ldv_retval_0 ; [L5634] int ldv_retval_1 ; [L5837] Element set_impl[15] ; [L5838] int last_index = 0; [L5972] Set LDV_SKBS ; [L5651] struct ifreq *ldvarg0 ; [L5652] void *tmp ; [L5653] int tmp___0 ; [L5654] int tmp___1 ; [L5655] int tmp___2 ; [L5657] CALL, EXPR ldv_successful_zalloc(40UL) [L5262] EXPR, FCALL calloc(1UL, __size) [L5262] void *p = calloc(1UL, __size); [L5263] CALL assume_abort_if_not(p != (void *)0) [L5259] COND FALSE !(!cond) [L5263] RET assume_abort_if_not(p != (void *)0) [L5264] return p; [L5657] RET, EXPR ldv_successful_zalloc(40UL) [L5657] tmp = ldv_successful_zalloc(40UL) [L5658] ldvarg0 = (struct ifreq *)tmp [L5659] CALL ldv_initialize() [L5991] CALL ldv_set_init(LDV_SKBS) [L5843] set = set_impl [L5844] last_index = 0 [L5991] RET ldv_set_init(LDV_SKBS) [L5659] RET ldv_initialize() [L5660] ldv_state_variable_1 = 0 [L5661] ref_cnt = 0 [L5662] ldv_state_variable_0 = 1 [L5664] tmp___0 = __VERIFIER_nondet_int() [L5666] case 0: [L5731] case 1: [L5732] COND TRUE ldv_state_variable_0 != 0 [L5733] tmp___2 = __VERIFIER_nondet_int() [L5735] case 0: [L5743] case 1: [L5744] COND TRUE ldv_state_variable_0 == 1 [L5745] CALL, EXPR mod_init() [L5622] FCALL register_hdlc_protocol(& proto) [L5623] return (0); [L5745] RET, EXPR mod_init() [L5745] ldv_retval_1 = mod_init() [L5746] COND TRUE ldv_retval_1 == 0 [L5747] ldv_state_variable_0 = 3 [L5748] ldv_state_variable_1 = 1 [L5749] CALL ldv_initialize_hdlc_proto_1() [L5639] void *tmp ; [L5640] void *tmp___0 ; [L5642] CALL, EXPR ldv_successful_zalloc(3264UL) [L5262] EXPR, FCALL calloc(1UL, __size) [L5262] void *p = calloc(1UL, __size); [L5263] CALL assume_abort_if_not(p != (void *)0) [L5259] COND FALSE !(!cond) [L5263] RET assume_abort_if_not(p != (void *)0) [L5264] return p; [L5642] RET, EXPR ldv_successful_zalloc(3264UL) [L5642] tmp = ldv_successful_zalloc(3264UL) [L5643] proto_group1 = (struct net_device *)tmp [L5644] CALL, EXPR ldv_successful_zalloc(232UL) [L5262] EXPR, FCALL calloc(1UL, __size) [L5262] void *p = calloc(1UL, __size); [L5263] CALL assume_abort_if_not(p != (void *)0) [L5259] COND FALSE !(!cond) [L5263] RET assume_abort_if_not(p != (void *)0) [L5264] return p; [L5644] RET, EXPR ldv_successful_zalloc(232UL) [L5644] tmp___0 = ldv_successful_zalloc(232UL) [L5645] proto_group0 = (struct sk_buff *)tmp___0 [L5749] RET ldv_initialize_hdlc_proto_1() [L5752] COND FALSE !(ldv_retval_1 != 0) [L5664] tmp___0 = __VERIFIER_nondet_int() [L5666] case 0: [L5667] COND TRUE ldv_state_variable_1 != 0 [L5668] tmp___1 = __VERIFIER_nondet_int() [L5670] case 0: [L5671] COND TRUE ldv_state_variable_1 == 1 [L5672] CALL x25_xmit(proto_group0, proto_group1) [L5471] int result ; [L5473] CALL assume_abort_if_not(((void*)(skb)) != ((void*) 0)) [L5259] COND FALSE !(!cond) [L5473] RET assume_abort_if_not(((void*)(skb)) != ((void*) 0)) [L5474] EXPR skb->data [L5474] CALL assume_abort_if_not(((void*)((skb->data))) != ((void*) 0)) [L5259] COND FALSE !(!cond) [L5474] RET assume_abort_if_not(((void*)((skb->data))) != ((void*) 0)) [L5475] skb->data [L5476] case 0: [L5484] case 1: [L5496] case 2: [L5497] CALL, EXPR lapb_disconnect_request(dev) [L6080] return __VERIFIER_nondet_int(); [L5497] RET, EXPR lapb_disconnect_request(dev) [L5497] result = lapb_disconnect_request(dev) [L5498] COND TRUE result != 0 [L5499] COND TRUE result == 4 [L5500] CALL x25_disconnected(dev, 0) [L5435] CALL x25_connect_disconnect(dev, reason, 2) [L5409] struct sk_buff *skb ; [L5410] unsigned char *ptr ; [L5412] CALL, EXPR ldv_dev_alloc_skb_12(1U) [L5814] struct sk_buff *tmp ; [L5816] CALL, EXPR ldv_skb_alloc() [L5975] void *skb ; [L5976] void *tmp___7 ; [L5978] CALL, EXPR ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L5262] EXPR, FCALL calloc(1UL, __size) [L5262] void *p = calloc(1UL, __size); [L5263] CALL assume_abort_if_not(p != (void *)0) [L5259] COND FALSE !(!cond) [L5263] RET assume_abort_if_not(p != (void *)0) [L5264] return p; [L5978] RET, EXPR ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L5978] tmp___7 = ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L5979] skb = (struct sk_buff___0 *)tmp___7 [L5980] COND FALSE !(! skb) [L5983] CALL ldv_set_add(LDV_SKBS, skb) [L5851] int i ; [L5853] i = 0 [L5854] COND TRUE 1 [L5855] COND FALSE !(i < last_index) [L5865] COND TRUE last_index < 15 [L5866] set_impl[last_index] = e [L5867] last_index = last_index + 1 [L5983] RET ldv_set_add(LDV_SKBS, skb) [L5984] return (skb); [L5816] RET, EXPR ldv_skb_alloc() [L5816] tmp = ldv_skb_alloc() [L5817] return (tmp); [L5412] RET, EXPR ldv_dev_alloc_skb_12(1U) [L5412] skb = ldv_dev_alloc_skb_12(1U) [L5413] COND TRUE (unsigned long )skb == (unsigned long )((struct sk_buff *)0) [L5435] RET x25_connect_disconnect(dev, reason, 2) [L5500] RET x25_disconnected(dev, 0) [L5512] CALL ldv_skb_free(skb) [L5998] CALL ldv_set_remove(LDV_SKBS, skb) [L5876] int i ; [L5877] int deleted_index ; [L5879] deleted_index = -1 [L5880] i = 0 [L5881] COND TRUE 1 [L5882] COND TRUE i < last_index [L5886] EXPR set_impl[i] [L5886] COND FALSE !((unsigned long )set_impl[i] == (unsigned long )e) [L5891] i = i + 1 [L5881] COND TRUE 1 [L5882] COND FALSE !(i < last_index) [L5893] COND FALSE !(deleted_index != -1) [L5998] RET ldv_set_remove(LDV_SKBS, skb) [L5512] RET ldv_skb_free(skb) [L5513] return (0); [L5672] RET x25_xmit(proto_group0, proto_group1) [L5673] ldv_state_variable_1 = 1 [L5676] COND FALSE !(ldv_state_variable_1 == 2) [L5664] tmp___0 = __VERIFIER_nondet_int() [L5666] case 0: [L5731] case 1: [L5732] COND TRUE ldv_state_variable_0 != 0 [L5733] tmp___2 = __VERIFIER_nondet_int() [L5735] case 0: [L5736] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L5737] CALL mod_exit() [L5629] FCALL unregister_hdlc_protocol(& proto) [L5737] RET mod_exit() [L5738] ldv_state_variable_0 = 2 [L5773] CALL ldv_check_final_state() [L6042] int tmp___7 ; [L6044] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L5933] return (last_index == 0); [L6044] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L6044] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L6045] COND FALSE !(\read(tmp___7)) [L6047] CALL ldv_error() [L5320] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.c", 3, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 90 procedures, 545 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 90.8s, OverallIterations: 7, TraceHistogramMax: 6, AutomataDifference: 52.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2552 SDtfs, 13180 SDslu, 5442 SDs, 0 SdLazy, 14346 SolverSat, 8594 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 418 GetRequests, 242 SyntacticMatches, 10 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1182 ImplicationChecksByTransitivity, 10.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5135occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 6 MinimizatonAttempts, 2924 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 35.0s InterpolantComputationTime, 989 NumberOfCodeBlocks, 989 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 780 ConstructedInterpolants, 0 QuantifiedInterpolants, 383744 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 285/288 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...