/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 18:59:06,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 18:59:06,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 18:59:06,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 18:59:06,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 18:59:06,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 18:59:06,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 18:59:06,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 18:59:06,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 18:59:06,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 18:59:06,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 18:59:06,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 18:59:06,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 18:59:06,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 18:59:06,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 18:59:06,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 18:59:06,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 18:59:06,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 18:59:06,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 18:59:06,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 18:59:06,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 18:59:06,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 18:59:06,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 18:59:06,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 18:59:06,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 18:59:06,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 18:59:06,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 18:59:06,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 18:59:06,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 18:59:06,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 18:59:06,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 18:59:06,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 18:59:06,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 18:59:06,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 18:59:06,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 18:59:06,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 18:59:06,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 18:59:06,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 18:59:06,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 18:59:06,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 18:59:06,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 18:59:06,327 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-24 18:59:06,379 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 18:59:06,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 18:59:06,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 18:59:06,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 18:59:06,382 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 18:59:06,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 18:59:06,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 18:59:06,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 18:59:06,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 18:59:06,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 18:59:06,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 18:59:06,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 18:59:06,385 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 18:59:06,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 18:59:06,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 18:59:06,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 18:59:06,387 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 18:59:06,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 18:59:06,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 18:59:06,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 18:59:06,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 18:59:06,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 18:59:06,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 18:59:06,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 18:59:06,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 18:59:06,388 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 18:59:06,389 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 18:59:06,389 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 18:59:06,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 18:59:06,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 18:59:06,856 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 18:59:06,858 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 18:59:06,859 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 18:59:06,860 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-09-24 18:59:06,937 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8f3828ecb/d558bdd2e5d24c11adcb5cd1488abe3e/FLAG801a082cb [2020-09-24 18:59:07,783 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 18:59:07,784 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-09-24 18:59:07,825 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8f3828ecb/d558bdd2e5d24c11adcb5cd1488abe3e/FLAG801a082cb [2020-09-24 18:59:08,311 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8f3828ecb/d558bdd2e5d24c11adcb5cd1488abe3e [2020-09-24 18:59:08,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 18:59:08,330 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 18:59:08,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 18:59:08,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 18:59:08,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 18:59:08,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:59:08" (1/1) ... [2020-09-24 18:59:08,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2088d45a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:08, skipping insertion in model container [2020-09-24 18:59:08,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:59:08" (1/1) ... [2020-09-24 18:59:08,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 18:59:08,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 18:59:09,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:59:09,910 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 18:59:10,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:59:10,281 INFO L208 MainTranslator]: Completed translation [2020-09-24 18:59:10,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:10 WrapperNode [2020-09-24 18:59:10,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 18:59:10,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 18:59:10,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 18:59:10,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 18:59:10,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:10" (1/1) ... [2020-09-24 18:59:10,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:10" (1/1) ... [2020-09-24 18:59:10,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:10" (1/1) ... [2020-09-24 18:59:10,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:10" (1/1) ... [2020-09-24 18:59:10,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:10" (1/1) ... [2020-09-24 18:59:10,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:10" (1/1) ... [2020-09-24 18:59:10,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:10" (1/1) ... [2020-09-24 18:59:10,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 18:59:10,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 18:59:10,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 18:59:10,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 18:59:10,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 18:59:10,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 18:59:10,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 18:59:10,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-09-24 18:59:10,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-24 18:59:10,714 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-09-24 18:59:10,715 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-09-24 18:59:10,715 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-09-24 18:59:10,715 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-09-24 18:59:10,716 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2020-09-24 18:59:10,716 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_share_check [2020-09-24 18:59:10,716 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-09-24 18:59:10,716 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-09-24 18:59:10,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2020-09-24 18:59:10,717 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow [2020-09-24 18:59:10,717 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 18:59:10,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2020-09-24 18:59:10,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 18:59:10,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-24 18:59:10,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-24 18:59:10,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-24 18:59:10,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 18:59:10,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-24 18:59:10,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 18:59:10,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-24 18:59:10,718 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-24 18:59:10,720 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-09-24 18:59:10,721 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_off [2020-09-24 18:59:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2020-09-24 18:59:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2020-09-24 18:59:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connect_disconnect [2020-09-24 18:59:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connected [2020-09-24 18:59:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_disconnected [2020-09-24 18:59:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_indication [2020-09-24 18:59:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_transmit [2020-09-24 18:59:10,723 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_xmit [2020-09-24 18:59:10,723 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_open [2020-09-24 18:59:10,723 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_close [2020-09-24 18:59:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_rx [2020-09-24 18:59:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_ioctl [2020-09-24 18:59:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_init [2020-09-24 18:59:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_exit [2020-09-24 18:59:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hdlc_proto_1 [2020-09-24 18:59:10,726 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 18:59:10,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-24 18:59:10,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-24 18:59:10,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-24 18:59:10,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-24 18:59:10,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-24 18:59:10,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2020-09-24 18:59:10,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-09-24 18:59:10,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2020-09-24 18:59:10,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-24 18:59:10,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-24 18:59:10,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-24 18:59:10,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-24 18:59:10,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-24 18:59:10,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-24 18:59:10,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-24 18:59:10,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-24 18:59:10,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-24 18:59:10,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-24 18:59:10,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 18:59:10,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-24 18:59:10,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-24 18:59:10,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-24 18:59:10,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-24 18:59:10,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-24 18:59:10,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 18:59:10,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-09-24 18:59:10,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-09-24 18:59:10,733 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_hdlc_protocol [2020-09-24 18:59:10,733 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-09-24 18:59:10,734 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_connect_request [2020-09-24 18:59:10,734 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_received [2020-09-24 18:59:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_request [2020-09-24 18:59:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_disconnect_request [2020-09-24 18:59:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_register [2020-09-24 18:59:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_unregister [2020-09-24 18:59:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2020-09-24 18:59:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-09-24 18:59:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-09-24 18:59:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure register_hdlc_protocol [2020-09-24 18:59:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-09-24 18:59:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-09-24 18:59:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-09-24 18:59:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-24 18:59:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_protocol [2020-09-24 18:59:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 18:59:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 18:59:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 18:59:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 18:59:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-09-24 18:59:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-09-24 18:59:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-09-24 18:59:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 18:59:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-09-24 18:59:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-24 18:59:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-24 18:59:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-24 18:59:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-24 18:59:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-24 18:59:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-09-24 18:59:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-09-24 18:59:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-09-24 18:59:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 18:59:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-09-24 18:59:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2020-09-24 18:59:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure skb_share_check [2020-09-24 18:59:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 18:59:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-24 18:59:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-09-24 18:59:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-09-24 18:59:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-09-24 18:59:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-09-24 18:59:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 18:59:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2020-09-24 18:59:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2020-09-24 18:59:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow [2020-09-24 18:59:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-24 18:59:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-24 18:59:10,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-24 18:59:10,745 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 18:59:10,745 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 18:59:10,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 18:59:10,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-24 18:59:10,746 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 18:59:10,746 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 18:59:10,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2020-09-24 18:59:10,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 18:59:10,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 18:59:10,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 18:59:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 18:59:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-24 18:59:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-24 18:59:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 18:59:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-24 18:59:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-24 18:59:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hdlc_proto_1 [2020-09-24 18:59:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-24 18:59:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-09-24 18:59:10,752 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-09-24 18:59:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-09-24 18:59:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2020-09-24 18:59:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2020-09-24 18:59:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_off [2020-09-24 18:59:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-09-24 18:59:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure register_hdlc_protocol [2020-09-24 18:59:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_protocol [2020-09-24 18:59:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2020-09-24 18:59:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure attach_hdlc_protocol [2020-09-24 18:59:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_register [2020-09-24 18:59:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_unregister [2020-09-24 18:59:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_connect_request [2020-09-24 18:59:10,763 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_disconnect_request [2020-09-24 18:59:10,763 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_request [2020-09-24 18:59:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_received [2020-09-24 18:59:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2020-09-24 18:59:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 18:59:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure x25_ioctl [2020-09-24 18:59:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connect_disconnect [2020-09-24 18:59:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connected [2020-09-24 18:59:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure x25_disconnected [2020-09-24 18:59:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_indication [2020-09-24 18:59:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_transmit [2020-09-24 18:59:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-09-24 18:59:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure x25_xmit [2020-09-24 18:59:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure x25_open [2020-09-24 18:59:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 18:59:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure x25_close [2020-09-24 18:59:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure x25_rx [2020-09-24 18:59:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-24 18:59:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure mod_init [2020-09-24 18:59:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure mod_exit [2020-09-24 18:59:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 18:59:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 18:59:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 18:59:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-24 18:59:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-24 18:59:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-24 18:59:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-24 18:59:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-24 18:59:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-24 18:59:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-24 18:59:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-24 18:59:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-24 18:59:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-24 18:59:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-24 18:59:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-24 18:59:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-24 18:59:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 18:59:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 18:59:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 18:59:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 18:59:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 18:59:11,348 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-24 18:59:12,573 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 18:59:12,573 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-24 18:59:12,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:59:12 BoogieIcfgContainer [2020-09-24 18:59:12,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 18:59:12,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 18:59:12,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 18:59:12,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 18:59:12,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 06:59:08" (1/3) ... [2020-09-24 18:59:12,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67dbd70e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:59:12, skipping insertion in model container [2020-09-24 18:59:12,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:10" (2/3) ... [2020-09-24 18:59:12,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67dbd70e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:59:12, skipping insertion in model container [2020-09-24 18:59:12,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:59:12" (3/3) ... [2020-09-24 18:59:12,601 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-09-24 18:59:12,611 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 18:59:12,622 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 18:59:12,642 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 18:59:12,677 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 18:59:12,677 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 18:59:12,677 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 18:59:12,677 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 18:59:12,678 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 18:59:12,678 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 18:59:12,678 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 18:59:12,678 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 18:59:12,719 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states. [2020-09-24 18:59:12,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-09-24 18:59:12,736 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:59:12,737 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:59:12,738 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:59:12,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:59:12,747 INFO L82 PathProgramCache]: Analyzing trace with hash 2033327711, now seen corresponding path program 1 times [2020-09-24 18:59:12,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:59:12,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010403918] [2020-09-24 18:59:12,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:59:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:13,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:13,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:14,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:14,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 18:59:14,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:59:14,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1543 [2020-09-24 18:59:14,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:14,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:14,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-24 18:59:14,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 18:59:14,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 18:59:14,954 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-09-24 18:59:14,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:14,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:15,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:15,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 18:59:15,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:15,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-24 18:59:15,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:15,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:15,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:15,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:15,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:15,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 18:59:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:15,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:15,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:15,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 18:59:15,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:15,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-24 18:59:15,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:15,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:15,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:59:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:15,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:15,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:15,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:59:15,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:15,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 18:59:15,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:15,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:15,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:15,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:15,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:15,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 18:59:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:15,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:15,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:15,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:15,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:15,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 18:59:15,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:15,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:15,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:15,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:15,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:15,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-24 18:59:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:15,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:15,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:15,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 18:59:15,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:15,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 18:59:15,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:15,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:15,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:15,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:15,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:15,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:15,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:15,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:15,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:59:15,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:15,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 18:59:15,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:15,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:15,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:15,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:15,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:15,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-24 18:59:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:15,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:15,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:15,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:59:15,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:15,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 18:59:15,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:15,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:15,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 18:59:15,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:15,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:15,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:15,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:15,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:15,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:59:15,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:15,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 18:59:15,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:15,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:15,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:15,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:15,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:15,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 18:59:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:15,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:15,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:15,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:15,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:15,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 18:59:15,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:15,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:15,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 18:59:15,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:15,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:15,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:59:15,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010403918] [2020-09-24 18:59:15,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:59:15,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 18:59:15,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176673521] [2020-09-24 18:59:15,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 18:59:15,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:59:15,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 18:59:15,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 18:59:15,593 INFO L87 Difference]: Start difference. First operand 890 states. Second operand 7 states. [2020-09-24 18:59:15,760 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-09-24 18:59:16,132 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-09-24 18:59:16,276 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-09-24 18:59:22,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:59:22,180 INFO L93 Difference]: Finished difference Result 2373 states and 2824 transitions. [2020-09-24 18:59:22,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 18:59:22,183 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 106 [2020-09-24 18:59:22,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:59:22,215 INFO L225 Difference]: With dead ends: 2373 [2020-09-24 18:59:22,215 INFO L226 Difference]: Without dead ends: 1687 [2020-09-24 18:59:22,229 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-09-24 18:59:22,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2020-09-24 18:59:22,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1286. [2020-09-24 18:59:22,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1286 states. [2020-09-24 18:59:22,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1428 transitions. [2020-09-24 18:59:22,458 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 1428 transitions. Word has length 106 [2020-09-24 18:59:22,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:59:22,459 INFO L479 AbstractCegarLoop]: Abstraction has 1286 states and 1428 transitions. [2020-09-24 18:59:22,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 18:59:22,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1428 transitions. [2020-09-24 18:59:22,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-09-24 18:59:22,464 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:59:22,465 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:59:22,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 18:59:22,465 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:59:22,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:59:22,466 INFO L82 PathProgramCache]: Analyzing trace with hash 594820322, now seen corresponding path program 1 times [2020-09-24 18:59:22,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:59:22,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1301788317] [2020-09-24 18:59:22,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:59:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:22,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:22,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:23,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:24,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:24,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-09-24 18:59:24,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 18:59:24,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2094 [2020-09-24 18:59:24,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:24,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 18:59:24,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-09-24 18:59:24,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 18:59:24,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:24,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:24,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:24,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:24,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 18:59:24,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:24,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-24 18:59:24,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:24,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:24,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:24,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:24,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:24,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 18:59:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:24,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:25,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:25,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 18:59:25,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:25,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-24 18:59:25,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:25,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:25,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:25,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:25,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:25,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:59:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:25,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:25,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:25,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:59:25,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:25,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 18:59:25,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:25,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:25,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:25,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:25,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:25,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 18:59:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:25,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:25,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:25,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:25,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:25,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 18:59:25,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:25,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:25,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:25,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:25,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:25,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-24 18:59:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:25,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:25,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:25,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 18:59:25,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:25,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 18:59:25,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:25,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:25,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:25,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:25,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:25,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:25,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:25,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:25,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:59:25,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:25,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 18:59:25,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:25,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:25,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:25,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:25,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:25,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 18:59:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:25,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:25,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:25,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 18:59:25,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:25,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 18:59:25,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:25,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 18:59:25,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:25,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 18:59:25,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:25,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:25,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:25,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:25,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:59:25,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:25,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 18:59:25,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:25,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:25,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:25,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:25,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:25,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-24 18:59:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:25,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:25,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:25,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:25,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:25,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 18:59:25,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:25,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:25,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 18:59:25,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:25,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:25,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:59:25,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1301788317] [2020-09-24 18:59:25,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:59:25,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 18:59:25,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114836428] [2020-09-24 18:59:25,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 18:59:25,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:59:25,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 18:59:25,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 18:59:25,398 INFO L87 Difference]: Start difference. First operand 1286 states and 1428 transitions. Second operand 9 states. [2020-09-24 18:59:25,544 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-09-24 18:59:26,413 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-09-24 18:59:29,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:59:29,843 INFO L93 Difference]: Finished difference Result 2914 states and 3316 transitions. [2020-09-24 18:59:29,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 18:59:29,843 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 114 [2020-09-24 18:59:29,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:59:29,857 INFO L225 Difference]: With dead ends: 2914 [2020-09-24 18:59:29,857 INFO L226 Difference]: Without dead ends: 1684 [2020-09-24 18:59:29,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-24 18:59:29,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1684 states. [2020-09-24 18:59:30,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1684 to 1284. [2020-09-24 18:59:30,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1284 states. [2020-09-24 18:59:30,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 1423 transitions. [2020-09-24 18:59:30,021 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 1423 transitions. Word has length 114 [2020-09-24 18:59:30,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:59:30,023 INFO L479 AbstractCegarLoop]: Abstraction has 1284 states and 1423 transitions. [2020-09-24 18:59:30,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 18:59:30,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1423 transitions. [2020-09-24 18:59:30,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-09-24 18:59:30,033 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:59:30,034 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:59:30,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 18:59:30,035 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:59:30,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:59:30,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1356551308, now seen corresponding path program 1 times [2020-09-24 18:59:30,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:59:30,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1708505098] [2020-09-24 18:59:30,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:59:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:30,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:31,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:31,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-09-24 18:59:31,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:31,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 959 [2020-09-24 18:59:31,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:31,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 18:59:31,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 18:59:31,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 18:59:31,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:31,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:31,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:31,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:31,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 18:59:31,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:31,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-24 18:59:31,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:31,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:31,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:31,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:31,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:31,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 18:59:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:31,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:31,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:31,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 18:59:31,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:31,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 18:59:31,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:31,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:31,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:31,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:31,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:31,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:59:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:31,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:31,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:31,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:59:31,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:31,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 18:59:31,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:31,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:31,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:31,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:31,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:31,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 18:59:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:31,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:31,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:31,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:31,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:31,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 18:59:31,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:31,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:31,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:31,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:31,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:31,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-24 18:59:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:31,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:31,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:31,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 18:59:31,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:31,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 18:59:31,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:31,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:31,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:31,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 18:59:31,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:31,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:31,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:31,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:31,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:59:31,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:31,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 18:59:31,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:31,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:31,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:31,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 18:59:31,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:31,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 18:59:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:31,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:31,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:31,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 18:59:31,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:31,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 18:59:31,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:31,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:31,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:31,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 18:59:31,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:31,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:31,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:31,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:31,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:59:31,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:31,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 18:59:31,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:31,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:31,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:31,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:31,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:31,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-24 18:59:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:31,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:32,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:32,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 18:59:32,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:32,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-24 18:59:32,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:32,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:32,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:32,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 18:59:32,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:32,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:59:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:32,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:32,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:32,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 18:59:32,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:32,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 18:59:32,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:32,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:32,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:32,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:32,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:32,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:59:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:32,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:32,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:32,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:59:32,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:32,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 18:59:32,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:32,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:32,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:32,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:32,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:32,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 18:59:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:32,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:32,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:32,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:32,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:32,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 18:59:32,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:32,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:32,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:32,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:32,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:32,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-24 18:59:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:32,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:32,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:32,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 18:59:32,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:32,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 18:59:32,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:32,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:32,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:32,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:32,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:32,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:59:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:32,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:32,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:32,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:59:32,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:32,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 18:59:32,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:32,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:32,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:32,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:32,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:32,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 18:59:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:32,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:32,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:32,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:32,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:32,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 18:59:32,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:32,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:32,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:32,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:32,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 18:59:32,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 18:59:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:32,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:32,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:32,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:59:32,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:32,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 18:59:32,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:32,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:32,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:32,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 18:59:32,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:32,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:32,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:32,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:32,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:59:32,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:32,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 18:59:32,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:32,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:32,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:32,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:32,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:32,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-24 18:59:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:32,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:32,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:32,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:32,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:32,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-24 18:59:32,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:32,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 18:59:32,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:32,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 18:59:32,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:32,607 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-09-24 18:59:32,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1708505098] [2020-09-24 18:59:32,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:59:32,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 18:59:32,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230303251] [2020-09-24 18:59:32,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 18:59:32,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:59:32,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 18:59:32,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-24 18:59:32,611 INFO L87 Difference]: Start difference. First operand 1284 states and 1423 transitions. Second operand 11 states. [2020-09-24 18:59:38,902 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-09-24 18:59:39,046 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-24 18:59:39,180 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-09-24 18:59:39,308 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-09-24 18:59:39,508 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-09-24 18:59:42,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:59:42,479 INFO L93 Difference]: Finished difference Result 4277 states and 4961 transitions. [2020-09-24 18:59:42,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 18:59:42,480 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-09-24 18:59:42,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:59:42,505 INFO L225 Difference]: With dead ends: 4277 [2020-09-24 18:59:42,506 INFO L226 Difference]: Without dead ends: 3030 [2020-09-24 18:59:42,515 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2020-09-24 18:59:42,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2020-09-24 18:59:42,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2650. [2020-09-24 18:59:42,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2650 states. [2020-09-24 18:59:42,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2650 states and 3001 transitions. [2020-09-24 18:59:42,745 INFO L78 Accepts]: Start accepts. Automaton has 2650 states and 3001 transitions. Word has length 180 [2020-09-24 18:59:42,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:59:42,747 INFO L479 AbstractCegarLoop]: Abstraction has 2650 states and 3001 transitions. [2020-09-24 18:59:42,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 18:59:42,747 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 3001 transitions. [2020-09-24 18:59:42,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-09-24 18:59:42,760 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:59:42,760 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:59:42,761 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 18:59:42,761 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:59:42,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:59:42,762 INFO L82 PathProgramCache]: Analyzing trace with hash -766964387, now seen corresponding path program 1 times [2020-09-24 18:59:42,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:59:42,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1731753646] [2020-09-24 18:59:42,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:59:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:42,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:43,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:43,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:44,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:44,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-09-24 18:59:44,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 18:59:44,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1781 [2020-09-24 18:59:44,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-09-24 18:59:44,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-24 18:59:44,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:44,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:44,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:44,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:44,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 18:59:44,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:44,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-24 18:59:44,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:44,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:44,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:44,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:44,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:44,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 18:59:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:44,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:44,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:44,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 18:59:44,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:44,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 18:59:44,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:44,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:44,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:44,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:44,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:44,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:59:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:44,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:44,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:44,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:59:44,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:44,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 18:59:44,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:44,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:44,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:44,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:44,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:45,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 18:59:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:45,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:45,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:45,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:45,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:45,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 18:59:45,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:45,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:45,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:45,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:45,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:45,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-24 18:59:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:45,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:45,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:45,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 18:59:45,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:45,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 18:59:45,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:45,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:45,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:45,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:45,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:45,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:45,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:45,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:45,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:59:45,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:45,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 18:59:45,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:45,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:45,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:45,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:45,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:45,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 18:59:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:45,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:45,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:45,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 18:59:45,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:45,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 18:59:45,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:45,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:45,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:45,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:45,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:45,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:45,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:45,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:45,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:59:45,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:45,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 18:59:45,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:45,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:45,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:45,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:45,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:45,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-24 18:59:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:45,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:45,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:45,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 18:59:45,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:45,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-24 18:59:45,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:45,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:45,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:45,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 18:59:45,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:45,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:59:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:45,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:45,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:45,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 18:59:45,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:45,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 18:59:45,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:45,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:45,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:45,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:45,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:45,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:59:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:45,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:45,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:45,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:59:45,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:45,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 18:59:45,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:45,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:45,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:45,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:45,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:45,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 18:59:45,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:45,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:45,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:45,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:45,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:45,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 18:59:45,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:45,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:45,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:45,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:45,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-24 18:59:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:45,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:45,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:45,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 18:59:45,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:45,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-24 18:59:45,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:45,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:45,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:45,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:45,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:45,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:59:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:45,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:45,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:45,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:59:45,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:45,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 18:59:45,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:45,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:45,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:45,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:45,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:45,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 18:59:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:45,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:45,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:45,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:45,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:45,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 18:59:45,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:45,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:45,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:45,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:45,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:45,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-24 18:59:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:45,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:45,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:45,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:45,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 18:59:45,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:59:45,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-09-24 18:59:45,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:45,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:45,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-09-24 18:59:45,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:45,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:45,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:59:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:45,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:45,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:45,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:45,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:45,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 18:59:45,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:45,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:45,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:45,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:45,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:45,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 18:59:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:45,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:45,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:45,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:45,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:45,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 18:59:45,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:45,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:45,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:45,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:45,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:45,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 18:59:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:45,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:45,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:46,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:46,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 18:59:46,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:59:46,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-24 18:59:46,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:46,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:46,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 18:59:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:46,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:46,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:46,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:46,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 18:59:46,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:59:46,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-24 18:59:46,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:46,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:46,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:46,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:46,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:46,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-24 18:59:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:46,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:46,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:46,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:59:46,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:46,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 18:59:46,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:46,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:46,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 18:59:46,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:46,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:46,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:46,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:46,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:46,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:59:46,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:46,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 18:59:46,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:46,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:46,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:46,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:46,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:46,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-24 18:59:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:46,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:46,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:46,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:46,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:46,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 18:59:46,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:46,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:46,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 18:59:46,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:46,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:46,326 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-09-24 18:59:46,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1731753646] [2020-09-24 18:59:46,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:59:46,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 18:59:46,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795916758] [2020-09-24 18:59:46,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 18:59:46,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:59:46,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 18:59:46,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-09-24 18:59:46,331 INFO L87 Difference]: Start difference. First operand 2650 states and 3001 transitions. Second operand 10 states. [2020-09-24 18:59:53,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:59:53,388 INFO L93 Difference]: Finished difference Result 8266 states and 9541 transitions. [2020-09-24 18:59:53,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 18:59:53,388 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 245 [2020-09-24 18:59:53,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:59:53,417 INFO L225 Difference]: With dead ends: 8266 [2020-09-24 18:59:53,417 INFO L226 Difference]: Without dead ends: 5672 [2020-09-24 18:59:53,427 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2020-09-24 18:59:53,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5672 states. [2020-09-24 18:59:53,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5672 to 4870. [2020-09-24 18:59:53,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4870 states. [2020-09-24 18:59:53,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4870 states to 4870 states and 5484 transitions. [2020-09-24 18:59:53,749 INFO L78 Accepts]: Start accepts. Automaton has 4870 states and 5484 transitions. Word has length 245 [2020-09-24 18:59:53,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:59:53,750 INFO L479 AbstractCegarLoop]: Abstraction has 4870 states and 5484 transitions. [2020-09-24 18:59:53,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 18:59:53,750 INFO L276 IsEmpty]: Start isEmpty. Operand 4870 states and 5484 transitions. [2020-09-24 18:59:53,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-09-24 18:59:53,764 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:59:53,765 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:59:53,765 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 18:59:53,765 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:59:53,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:59:53,766 INFO L82 PathProgramCache]: Analyzing trace with hash -790465097, now seen corresponding path program 1 times [2020-09-24 18:59:53,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:59:53,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [933802710] [2020-09-24 18:59:53,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:59:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:53,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:54,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:54,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-09-24 18:59:54,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:54,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-09-24 18:59:54,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:54,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:54,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 235 [2020-09-24 18:59:54,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 18:59:54,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:54,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:54,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:54,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:54,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 18:59:54,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:54,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-24 18:59:54,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:54,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:54,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:54,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:54,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:54,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 18:59:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:54,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:54,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:54,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 18:59:54,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:54,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 18:59:54,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:54,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:54,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:54,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:54,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:54,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:59:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:54,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:54,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:54,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:59:54,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:54,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 18:59:54,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:54,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:54,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:54,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:54,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:54,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 18:59:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:54,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:54,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:54,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:54,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:54,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 18:59:54,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:54,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:54,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:54,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:54,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:54,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-24 18:59:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:54,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:54,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:54,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 18:59:54,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:54,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 18:59:54,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:54,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:54,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:54,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:54,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:54,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:54,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:54,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:54,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:59:54,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:54,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 18:59:54,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:54,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:54,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:54,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:54,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:54,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 18:59:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:54,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:54,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:54,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 18:59:54,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:54,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 18:59:54,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:54,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:54,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:54,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:54,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:54,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:54,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:54,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:54,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:59:54,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:54,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 18:59:54,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:54,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:54,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:54,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:54,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:54,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-24 18:59:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:54,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:54,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:54,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 18:59:54,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:54,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-24 18:59:54,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:54,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:54,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:54,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:54,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:54,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:59:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:54,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:55,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:55,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 18:59:55,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:55,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-24 18:59:55,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:55,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:55,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:55,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:55,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:55,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:59:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:55,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:55,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:55,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:59:55,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:55,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 18:59:55,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:55,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:55,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:55,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:55,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:55,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 18:59:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:55,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:55,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:55,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:55,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:55,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 18:59:55,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:55,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:55,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:55,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:55,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:55,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-24 18:59:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:55,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:55,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:55,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 18:59:55,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:55,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 18:59:55,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:55,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:55,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:55,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:55,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:55,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 18:59:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:55,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:55,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:55,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:59:55,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:55,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 18:59:55,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:55,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:55,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:55,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:55,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:55,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 18:59:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:55,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:55,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:55,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:55,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:55,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 18:59:55,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:55,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:55,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:55,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:55,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:55,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 18:59:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:55,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:55,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:55,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 18:59:55,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:55,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-24 18:59:55,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:55,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:55,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-24 18:59:55,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 18:59:55,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:55,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 18:59:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:55,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:55,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:55,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:55,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:55,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 18:59:55,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:55,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:55,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:55,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:55,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:55,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-24 18:59:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:55,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:55,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:55,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:55,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:55,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 18:59:55,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:55,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:55,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:55,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:55,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:55,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 18:59:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:55,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:55,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:55,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 18:59:55,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:55,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-24 18:59:55,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:55,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:55,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 18:59:55,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 18:59:55,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:55,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 18:59:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:55,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:55,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:55,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 18:59:55,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:55,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-24 18:59:55,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:55,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:55,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 18:59:55,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 18:59:55,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:55,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-24 18:59:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:55,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:55,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:55,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:59:55,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:55,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 18:59:55,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:55,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:55,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 18:59:55,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:55,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:55,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:55,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:55,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:55,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:59:55,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:55,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 18:59:55,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:55,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:55,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:55,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:55,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:55,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-24 18:59:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:55,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:55,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:55,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:55,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:55,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 18:59:55,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:55,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:55,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 18:59:55,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:55,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:55,912 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-09-24 18:59:55,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [933802710] [2020-09-24 18:59:55,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:59:55,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 18:59:55,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71010522] [2020-09-24 18:59:55,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 18:59:55,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:59:55,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 18:59:55,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-09-24 18:59:55,919 INFO L87 Difference]: Start difference. First operand 4870 states and 5484 transitions. Second operand 10 states.