/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:37:03,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:37:03,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:37:03,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:37:03,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:37:03,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:37:03,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:37:03,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:37:03,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:37:03,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:37:03,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:37:03,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:37:03,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:37:03,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:37:03,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:37:03,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:37:03,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:37:03,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:37:03,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:37:03,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:37:03,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:37:03,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:37:03,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:37:03,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:37:03,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:37:03,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:37:03,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:37:03,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:37:03,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:37:03,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:37:03,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:37:03,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:37:03,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:37:03,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:37:03,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:37:03,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:37:03,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:37:03,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:37:03,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:37:03,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:37:03,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:37:03,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-21 11:37:04,019 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:37:04,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:37:04,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:37:04,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:37:04,021 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:37:04,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:37:04,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:37:04,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:37:04,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:37:04,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:37:04,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:37:04,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:37:04,023 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:37:04,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:37:04,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:37:04,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:37:04,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:37:04,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:37:04,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:37:04,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:37:04,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:37:04,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:37:04,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:37:04,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:37:04,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:37:04,026 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:37:04,026 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-21 11:37:04,026 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:37:04,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:37:04,578 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:37:04,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:37:04,585 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:37:04,586 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:37:04,587 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2020-09-21 11:37:04,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0adf90ccd/5ee1d6fd87124dd5b97e3031e4198ad5/FLAG9d2f96b4a [2020-09-21 11:37:05,508 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:37:05,509 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2020-09-21 11:37:05,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0adf90ccd/5ee1d6fd87124dd5b97e3031e4198ad5/FLAG9d2f96b4a [2020-09-21 11:37:05,574 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0adf90ccd/5ee1d6fd87124dd5b97e3031e4198ad5 [2020-09-21 11:37:05,590 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:37:05,597 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:37:05,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:37:05,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:37:05,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:37:05,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:37:05" (1/1) ... [2020-09-21 11:37:05,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10b0f1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:37:05, skipping insertion in model container [2020-09-21 11:37:05,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:37:05" (1/1) ... [2020-09-21 11:37:05,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:37:05,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:37:06,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:37:06,778 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:37:07,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:37:07,078 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:37:07,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:37:07 WrapperNode [2020-09-21 11:37:07,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:37:07,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:37:07,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:37:07,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:37:07,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:37:07" (1/1) ... [2020-09-21 11:37:07,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:37:07" (1/1) ... [2020-09-21 11:37:07,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:37:07" (1/1) ... [2020-09-21 11:37:07,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:37:07" (1/1) ... [2020-09-21 11:37:07,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:37:07" (1/1) ... [2020-09-21 11:37:07,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:37:07" (1/1) ... [2020-09-21 11:37:07,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:37:07" (1/1) ... [2020-09-21 11:37:07,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:37:07,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:37:07,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:37:07,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:37:07,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:37:07" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:37:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:37:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:37:07,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-21 11:37:07,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-09-21 11:37:07,270 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2020-09-21 11:37:07,270 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2020-09-21 11:37:07,271 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2020-09-21 11:37:07,271 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2020-09-21 11:37:07,272 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2020-09-21 11:37:07,272 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2020-09-21 11:37:07,272 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2020-09-21 11:37:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2020-09-21 11:37:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2020-09-21 11:37:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:37:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-09-21 11:37:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-09-21 11:37:07,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-09-21 11:37:07,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-09-21 11:37:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-09-21 11:37:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-09-21 11:37:07,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-21 11:37:07,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2020-09-21 11:37:07,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2020-09-21 11:37:07,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2020-09-21 11:37:07,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-21 11:37:07,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2020-09-21 11:37:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2020-09-21 11:37:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-09-21 11:37:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2020-09-21 11:37:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2020-09-21 11:37:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2020-09-21 11:37:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2020-09-21 11:37:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2020-09-21 11:37:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-21 11:37:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:37:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-09-21 11:37:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2020-09-21 11:37:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2020-09-21 11:37:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2020-09-21 11:37:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-09-21 11:37:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-09-21 11:37:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-09-21 11:37:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-09-21 11:37:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-09-21 11:37:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2020-09-21 11:37:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2020-09-21 11:37:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2020-09-21 11:37:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2020-09-21 11:37:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2020-09-21 11:37:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2020-09-21 11:37:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2020-09-21 11:37:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2020-09-21 11:37:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2020-09-21 11:37:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2020-09-21 11:37:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2020-09-21 11:37:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2020-09-21 11:37:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:37:07,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:37:07,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:37:07,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:37:07,286 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-21 11:37:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2020-09-21 11:37:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:37:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-09-21 11:37:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2020-09-21 11:37:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2020-09-21 11:37:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-21 11:37:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-21 11:37:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:37:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:37:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-09-21 11:37:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2020-09-21 11:37:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:37:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-21 11:37:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:37:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:37:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-21 11:37:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:37:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:37:07,598 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-21 11:37:07,721 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-09-21 11:37:07,721 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-09-21 11:37:07,721 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-09-21 11:37:07,721 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-09-21 11:37:07,723 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-21 11:37:07,751 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2020-09-21 11:37:07,751 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2020-09-21 11:37:07,894 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-09-21 11:37:08,030 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:37:08,030 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:37:08,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:37:08 BoogieIcfgContainer [2020-09-21 11:37:08,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:37:08,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:37:08,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:37:08,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:37:08,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:37:05" (1/3) ... [2020-09-21 11:37:08,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ff159b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:37:08, skipping insertion in model container [2020-09-21 11:37:08,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:37:07" (2/3) ... [2020-09-21 11:37:08,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ff159b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:37:08, skipping insertion in model container [2020-09-21 11:37:08,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:37:08" (3/3) ... [2020-09-21 11:37:08,051 INFO L109 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-pppox.ko.cil.out.i [2020-09-21 11:37:08,064 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:37:08,076 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:37:08,099 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:37:08,133 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:37:08,133 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:37:08,133 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:37:08,133 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:37:08,134 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:37:08,134 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:37:08,134 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:37:08,134 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:37:08,158 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2020-09-21 11:37:08,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-09-21 11:37:08,167 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:37:08,168 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] [2020-09-21 11:37:08,169 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:37:08,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:37:08,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1611807670, now seen corresponding path program 1 times [2020-09-21 11:37:08,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:37:08,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1109814735] [2020-09-21 11:37:08,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:37:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:08,462 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:08,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:08,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:08,463 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:08,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:37:08,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:08,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-21 11:37:08,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:08,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:37:08,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:37:08,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:37:08,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:37:08,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:37:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:08,807 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:08,807 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:08,807 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:08,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:08,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:08,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:08,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:37:08,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:08,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:37:08,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:08,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:37:08,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:37:08,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:37:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:08,840 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:08,840 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:08,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:08,841 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:08,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:37:08,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:08,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:37:08,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:08,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:37:08,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:08,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:37:08,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:08,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:37:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:08,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:08,862 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:08,862 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:08,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:08,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:37:08,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:08,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:37:08,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:08,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:37:08,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:08,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:37:08,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:37:08,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:37:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:08,882 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:08,882 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:08,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:08,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:08,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:08,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:08,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:08,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:08,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:08,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:08,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:08,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:08,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:37:08,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1109814735] [2020-09-21 11:37:08,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:37:08,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:37:08,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309303125] [2020-09-21 11:37:08,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:37:08,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:37:08,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:37:08,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:37:08,933 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 4 states. [2020-09-21 11:37:09,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:37:09,519 INFO L93 Difference]: Finished difference Result 241 states and 297 transitions. [2020-09-21 11:37:09,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:37:09,522 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-09-21 11:37:09,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:37:09,540 INFO L225 Difference]: With dead ends: 241 [2020-09-21 11:37:09,540 INFO L226 Difference]: Without dead ends: 153 [2020-09-21 11:37:09,546 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:37:09,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-09-21 11:37:09,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 150. [2020-09-21 11:37:09,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-09-21 11:37:09,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2020-09-21 11:37:09,646 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 24 [2020-09-21 11:37:09,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:37:09,648 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2020-09-21 11:37:09,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:37:09,648 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2020-09-21 11:37:09,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-21 11:37:09,653 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:37:09,653 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:37:09,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:37:09,653 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:37:09,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:37:09,654 INFO L82 PathProgramCache]: Analyzing trace with hash 321457227, now seen corresponding path program 1 times [2020-09-21 11:37:09,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:37:09,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2114037263] [2020-09-21 11:37:09,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:37:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:09,765 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:09,765 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:09,765 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:09,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:09,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-21 11:37:09,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:09,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:37:09,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:09,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:37:09,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-21 11:37:09,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:37:09,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:09,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:37:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:09,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:09,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:09,880 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:09,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:09,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:09,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:09,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:09,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:09,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:09,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:09,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:09,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:09,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:37:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:09,897 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:09,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:09,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:09,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:09,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:37:09,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:09,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:09,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:09,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:09,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:09,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:09,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:37:09,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:37:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:09,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:09,910 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:09,910 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:09,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:09,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:37:09,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:09,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:09,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:09,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:09,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:09,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:09,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:09,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:37:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:09,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:09,924 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:09,924 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:09,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:09,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:09,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:09,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:09,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:09,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:09,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:09,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:09,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:09,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-09-21 11:37:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:09,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:10,000 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:10,001 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:10,001 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:10,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:37:10,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:10,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:37:10,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:10,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:37:10,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:10,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:37:10,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:37:10,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:37:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:10,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:10,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:10,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:10,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:10,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:37:10,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:10,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:37:10,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:10,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:37:10,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:10,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:37:10,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:37:10,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:37:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:10,142 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:10,142 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:10,142 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:10,143 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:10,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:10,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:10,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:37:10,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:10,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:10,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:37:10,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:10,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:37:10,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:37:10,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2114037263] [2020-09-21 11:37:10,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:37:10,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:37:10,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295484816] [2020-09-21 11:37:10,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:37:10,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:37:10,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:37:10,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:37:10,217 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 9 states. [2020-09-21 11:37:10,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:37:10,883 INFO L93 Difference]: Finished difference Result 269 states and 321 transitions. [2020-09-21 11:37:10,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:37:10,884 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-09-21 11:37:10,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:37:10,887 INFO L225 Difference]: With dead ends: 269 [2020-09-21 11:37:10,887 INFO L226 Difference]: Without dead ends: 139 [2020-09-21 11:37:10,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:37:10,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-09-21 11:37:10,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 126. [2020-09-21 11:37:10,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-09-21 11:37:10,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 146 transitions. [2020-09-21 11:37:10,920 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 146 transitions. Word has length 56 [2020-09-21 11:37:10,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:37:10,923 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 146 transitions. [2020-09-21 11:37:10,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:37:10,923 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 146 transitions. [2020-09-21 11:37:10,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 11:37:10,926 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:37:10,926 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] [2020-09-21 11:37:10,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:37:10,926 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:37:10,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:37:10,927 INFO L82 PathProgramCache]: Analyzing trace with hash 751196711, now seen corresponding path program 1 times [2020-09-21 11:37:10,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:37:10,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1807286054] [2020-09-21 11:37:10,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:37:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:11,142 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:11,142 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:11,142 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:11,143 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:11,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-21 11:37:11,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:11,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-09-21 11:37:11,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:11,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:37:11,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:37:11,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 11:37:11,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:37:11,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:37:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:11,318 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:11,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:11,319 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:11,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:11,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:11,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:11,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:37:11,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:11,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:37:11,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:11,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:37:11,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 11:37:11,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:37:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:11,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:11,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:11,346 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:11,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:11,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:37:11,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:11,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:37:11,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:11,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:37:11,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:11,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:37:11,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:37:11,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:37:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:11,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:11,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:11,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:11,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:11,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:37:11,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:11,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:37:11,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:11,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:37:11,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:11,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:37:11,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:11,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:37:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:11,377 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:11,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:11,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:11,378 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:11,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:11,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:11,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:11,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:11,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:11,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:11,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:11,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:37:11,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-09-21 11:37:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:11,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:11,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:11,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:11,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:11,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:37:11,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:11,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:37:11,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:11,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:37:11,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:37:11,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:37:11,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:11,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:37:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:11,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:11,525 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:11,525 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:11,525 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:11,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:37:11,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:11,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:37:11,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:11,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:37:11,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:37:11,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:37:11,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:11,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:37:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:11,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:11,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:11,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:11,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:11,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:11,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:11,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:11,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:11,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:37:11,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:11,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:37:11,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:11,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:37:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:11,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:11,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:11,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:11,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:11,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:11,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:11,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:11,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:11,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:37:11,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:11,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:37:11,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:11,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:37:11,603 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1807286054] [2020-09-21 11:37:11,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:37:11,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:37:11,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157472053] [2020-09-21 11:37:11,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:37:11,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:37:11,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:37:11,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:37:11,607 INFO L87 Difference]: Start difference. First operand 126 states and 146 transitions. Second operand 7 states. [2020-09-21 11:37:12,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:37:12,431 INFO L93 Difference]: Finished difference Result 208 states and 241 transitions. [2020-09-21 11:37:12,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:37:12,432 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2020-09-21 11:37:12,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:37:12,435 INFO L225 Difference]: With dead ends: 208 [2020-09-21 11:37:12,436 INFO L226 Difference]: Without dead ends: 205 [2020-09-21 11:37:12,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:37:12,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-09-21 11:37:12,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 190. [2020-09-21 11:37:12,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-09-21 11:37:12,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 224 transitions. [2020-09-21 11:37:12,464 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 224 transitions. Word has length 62 [2020-09-21 11:37:12,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:37:12,465 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 224 transitions. [2020-09-21 11:37:12,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:37:12,465 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 224 transitions. [2020-09-21 11:37:12,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-09-21 11:37:12,467 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:37:12,468 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:37:12,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:37:12,468 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:37:12,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:37:12,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1928601058, now seen corresponding path program 1 times [2020-09-21 11:37:12,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:37:12,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [743983837] [2020-09-21 11:37:12,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:37:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:12,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:12,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:12,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:12,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:12,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-21 11:37:12,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:12,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:37:12,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:12,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:37:12,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-09-21 11:37:12,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:37:12,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:12,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:37:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:12,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:12,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:12,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:12,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:12,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:12,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:12,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:12,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:12,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:12,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:12,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:12,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:12,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:37:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:12,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:12,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:12,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:12,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:12,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:37:12,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:12,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:12,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:12,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:12,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:12,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:12,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:12,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:37:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:12,605 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:12,606 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:12,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:12,606 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:12,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:37:12,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:12,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:12,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:12,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:12,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:12,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:12,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:12,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:37:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:12,618 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:12,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:12,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:12,618 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:12,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:12,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:12,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:12,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:12,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:12,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:12,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:12,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:12,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-21 11:37:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:12,656 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:12,656 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:12,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:12,657 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:12,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:37:12,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:12,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:37:12,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:12,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:37:12,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 11:37:12,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:37:12,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:12,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:37:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:12,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:12,705 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:12,706 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:12,706 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:12,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:37:12,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:12,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:37:12,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:12,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:37:12,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:12,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 11:37:12,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:12,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:37:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:12,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:12,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:12,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:12,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:12,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:37:12,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:12,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:37:12,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:12,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:37:12,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:12,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:37:12,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:37:12,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:37:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:12,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:12,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:12,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:12,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:12,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:12,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:12,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:12,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:12,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:12,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:12,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:12,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:37:12,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:37:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:12,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:12,809 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:12,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:12,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:12,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 11:37:12,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:12,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:12,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:12,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:12,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:37:12,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:12,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:37:12,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:37:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:12,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:12,819 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:12,819 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:12,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:12,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:12,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:12,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:12,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:12,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:12,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:12,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:12,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:37:12,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:37:12,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [743983837] [2020-09-21 11:37:12,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:37:12,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:37:12,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324386032] [2020-09-21 11:37:12,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:37:12,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:37:12,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:37:12,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:37:12,839 INFO L87 Difference]: Start difference. First operand 190 states and 224 transitions. Second operand 9 states. [2020-09-21 11:37:13,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:37:13,318 INFO L93 Difference]: Finished difference Result 330 states and 390 transitions. [2020-09-21 11:37:13,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:37:13,321 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2020-09-21 11:37:13,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:37:13,324 INFO L225 Difference]: With dead ends: 330 [2020-09-21 11:37:13,325 INFO L226 Difference]: Without dead ends: 193 [2020-09-21 11:37:13,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:37:13,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-09-21 11:37:13,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 190. [2020-09-21 11:37:13,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-09-21 11:37:13,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 222 transitions. [2020-09-21 11:37:13,364 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 222 transitions. Word has length 66 [2020-09-21 11:37:13,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:37:13,365 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 222 transitions. [2020-09-21 11:37:13,365 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:37:13,366 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 222 transitions. [2020-09-21 11:37:13,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-09-21 11:37:13,373 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:37:13,373 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:37:13,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:37:13,374 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:37:13,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:37:13,375 INFO L82 PathProgramCache]: Analyzing trace with hash -167984647, now seen corresponding path program 1 times [2020-09-21 11:37:13,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:37:13,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [675019690] [2020-09-21 11:37:13,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:37:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:13,462 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:13,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:13,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:13,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:13,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-09-21 11:37:13,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:13,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:37:13,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:13,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:37:13,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:37:13,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:37:13,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:13,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:37:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:13,528 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:13,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:13,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:13,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:13,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:13,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:13,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:13,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:13,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:13,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:13,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:13,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:13,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:37:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:13,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:13,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:13,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:13,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:13,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:37:13,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:13,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:13,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:13,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:13,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:13,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:13,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:13,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:37:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:13,553 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:13,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:13,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:13,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:13,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:37:13,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:13,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:13,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:13,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:13,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:13,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:13,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:13,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:37:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:13,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:13,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:13,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:13,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:13,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:13,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:13,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:13,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:13,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:13,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:13,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:13,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:13,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-21 11:37:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:13,612 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:13,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:13,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:13,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:13,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 11:37:13,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:13,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:37:13,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:13,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:37:13,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-21 11:37:13,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:37:13,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:13,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:37:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:13,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:13,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:13,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:13,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:13,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:37:13,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:13,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:13,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:13,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:13,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:37:13,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:13,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:13,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:37:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:13,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:13,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:13,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:13,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:13,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:37:13,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:13,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:13,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:13,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:13,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:13,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:13,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:13,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:37:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:13,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:13,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:13,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:13,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:13,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:13,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:13,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:13,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:13,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:13,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:13,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:13,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:13,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-21 11:37:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:13,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:13,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:13,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:13,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:13,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:13,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:13,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:13,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:13,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:13,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:37:13,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:13,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:13,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:37:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:13,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:13,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:13,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:13,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:13,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:37:13,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:13,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:13,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:13,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:13,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:37:13,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:13,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:13,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:37:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:13,781 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:13,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:13,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:13,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:13,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:37:13,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:13,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:13,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:13,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:13,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:13,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:13,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:13,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-21 11:37:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:13,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:13,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:13,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:13,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:13,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 11:37:13,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:13,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:13,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:13,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:13,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:37:13,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:13,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:13,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:37:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:13,803 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:13,803 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:13,803 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:13,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:13,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:13,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:13,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:13,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:13,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:13,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:13,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:13,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:13,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:37:13,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [675019690] [2020-09-21 11:37:13,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:37:13,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:37:13,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485525459] [2020-09-21 11:37:13,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:37:13,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:37:13,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:37:13,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:37:13,821 INFO L87 Difference]: Start difference. First operand 190 states and 222 transitions. Second operand 7 states. [2020-09-21 11:37:14,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:37:14,432 INFO L93 Difference]: Finished difference Result 378 states and 453 transitions. [2020-09-21 11:37:14,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:37:14,433 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 81 [2020-09-21 11:37:14,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:37:14,435 INFO L225 Difference]: With dead ends: 378 [2020-09-21 11:37:14,435 INFO L226 Difference]: Without dead ends: 208 [2020-09-21 11:37:14,437 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:37:14,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-09-21 11:37:14,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 196. [2020-09-21 11:37:14,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-09-21 11:37:14,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 228 transitions. [2020-09-21 11:37:14,457 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 228 transitions. Word has length 81 [2020-09-21 11:37:14,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:37:14,457 INFO L479 AbstractCegarLoop]: Abstraction has 196 states and 228 transitions. [2020-09-21 11:37:14,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:37:14,458 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 228 transitions. [2020-09-21 11:37:14,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-09-21 11:37:14,459 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:37:14,459 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:37:14,460 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:37:14,460 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:37:14,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:37:14,460 INFO L82 PathProgramCache]: Analyzing trace with hash 275916027, now seen corresponding path program 1 times [2020-09-21 11:37:14,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:37:14,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1093749798] [2020-09-21 11:37:14,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:37:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:14,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:37:14,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -3 [2020-09-21 11:37:14,641 FATAL L256 erpolLogProxyWrapper]: Difference in width: 3 [2020-09-21 11:37:14,641 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:14,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-09-21 11:37:14,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:14,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-21 11:37:14,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:14,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:37:14,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-21 11:37:14,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-21 11:37:14,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:14,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:37:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:14,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:14,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:14,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:14,723 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:14,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:14,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:14,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:14,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:14,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:14,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:14,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:14,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:14,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:37:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:14,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:14,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:14,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:14,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:14,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:37:14,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:14,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:14,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:14,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:14,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:14,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:14,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:14,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:37:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:14,748 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:14,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:14,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:14,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:14,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:37:14,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:14,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:14,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:14,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:14,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:14,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:14,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:14,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:37:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:14,760 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:14,761 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:14,761 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:14,761 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:14,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:14,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:14,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:14,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:14,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:14,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:14,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:14,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:14,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-21 11:37:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:14,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:37:14,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -3 [2020-09-21 11:37:14,867 FATAL L256 erpolLogProxyWrapper]: Difference in width: 3 [2020-09-21 11:37:14,867 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:14,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 11:37:14,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:14,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-21 11:37:14,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:14,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:37:14,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:37:14,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-21 11:37:14,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:14,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:37:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:15,002 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:15,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:15,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:15,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:15,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:37:15,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:15,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:37:15,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:15,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:37:15,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:15,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 11:37:15,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:15,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:37:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:15,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:15,082 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:15,082 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:15,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:15,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:37:15,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:15,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:37:15,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:15,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:37:15,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:15,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:37:15,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:15,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:37:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:15,176 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:15,176 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:15,176 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:15,177 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:15,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:15,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:15,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:37:15,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:15,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:37:15,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:15,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:37:15,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:15,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-21 11:37:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:15,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:15,197 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:15,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:15,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:15,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:15,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:15,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:37:15,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:15,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:37:15,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:15,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:37:15,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:15,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:37:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:15,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:15,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:15,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:15,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:15,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:37:15,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:15,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:37:15,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:15,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:37:15,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:37:15,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:37:15,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:15,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:37:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:15,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:15,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:15,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:15,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:15,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:37:15,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:15,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:37:15,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:15,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:37:15,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:15,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:37:15,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:15,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-21 11:37:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:15,402 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:15,402 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:15,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:15,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:15,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 11:37:15,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:15,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:15,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:15,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:15,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:37:15,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:15,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:15,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:37:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:15,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:15,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:15,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:15,412 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:15,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:15,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:15,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:15,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:15,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:15,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:15,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:15,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:15,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:37:15,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1093749798] [2020-09-21 11:37:15,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:37:15,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-21 11:37:15,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383720217] [2020-09-21 11:37:15,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-21 11:37:15,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:37:15,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-21 11:37:15,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:37:15,437 INFO L87 Difference]: Start difference. First operand 196 states and 228 transitions. Second operand 15 states. [2020-09-21 11:37:17,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:37:17,245 INFO L93 Difference]: Finished difference Result 317 states and 360 transitions. [2020-09-21 11:37:17,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-21 11:37:17,246 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 81 [2020-09-21 11:37:17,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:37:17,249 INFO L225 Difference]: With dead ends: 317 [2020-09-21 11:37:17,249 INFO L226 Difference]: Without dead ends: 168 [2020-09-21 11:37:17,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=113, Invalid=757, Unknown=0, NotChecked=0, Total=870 [2020-09-21 11:37:17,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-09-21 11:37:17,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 148. [2020-09-21 11:37:17,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-09-21 11:37:17,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 166 transitions. [2020-09-21 11:37:17,270 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 166 transitions. Word has length 81 [2020-09-21 11:37:17,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:37:17,271 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 166 transitions. [2020-09-21 11:37:17,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-21 11:37:17,271 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 166 transitions. [2020-09-21 11:37:17,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-09-21 11:37:17,273 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:37:17,274 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:37:17,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:37:17,274 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:37:17,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:37:17,274 INFO L82 PathProgramCache]: Analyzing trace with hash 93135667, now seen corresponding path program 1 times [2020-09-21 11:37:17,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:37:17,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106581411] [2020-09-21 11:37:17,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:37:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:17,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:37:17,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:17,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:17,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:17,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-21 11:37:17,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:17,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-21 11:37:17,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:17,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:37:17,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:37:17,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-21 11:37:17,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:17,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:37:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:17,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:17,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:17,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:17,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:17,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:17,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:17,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:37:17,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:17,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:37:17,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:17,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:37:17,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:17,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:37:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:17,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:17,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:17,584 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:17,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:17,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:37:17,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:17,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:37:17,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:17,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:37:17,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:17,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:37:17,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:17,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:37:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:17,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:17,598 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:17,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:17,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:17,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:37:17,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:17,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:17,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:17,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:37:17,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:17,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:37:17,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:17,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:37:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:17,610 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:17,611 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:17,611 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:17,611 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:17,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:17,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:17,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:17,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:17,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:17,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:17,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:17,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:17,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-21 11:37:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:17,674 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:37:17,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:17,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:17,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:17,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:37:17,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:17,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 11:37:17,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:17,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:37:17,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:37:17,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-21 11:37:17,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:17,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:37:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:17,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:17,790 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:17,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:17,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:17,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:37:17,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:17,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:37:17,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:17,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:37:17,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:37:17,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:37:17,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:17,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:37:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:17,824 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:17,824 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:17,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:17,825 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:17,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:37:17,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:17,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:37:17,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:17,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:37:17,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:37:17,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:37:17,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:37:17,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:37:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:17,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:17,878 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:17,878 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:17,878 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:17,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:17,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:17,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:37:17,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:17,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:37:17,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:17,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:37:17,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:17,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-21 11:37:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:17,897 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:17,897 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:17,897 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:17,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:17,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:17,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:17,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:37:17,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:17,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:37:17,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:17,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:37:17,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:17,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:37:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:17,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:37:17,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:17,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:17,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:17,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:37:17,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:17,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:37:17,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:17,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:37:17,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:37:17,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:37:17,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:17,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:37:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:17,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:17,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:17,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:17,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:17,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:37:17,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:17,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:37:17,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:17,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:37:17,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:37:17,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:37:17,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:17,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-21 11:37:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:17,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:17,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:17,991 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:17,991 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:17,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 11:37:17,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:17,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:17,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:17,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:37:17,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:17,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:37:17,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:17,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:37:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:18,000 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:18,000 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:18,000 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:18,001 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:18,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:18,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:18,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:18,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:18,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:18,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:18,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:18,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:18,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-21 11:37:18,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2106581411] [2020-09-21 11:37:18,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:37:18,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:37:18,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642377293] [2020-09-21 11:37:18,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:37:18,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:37:18,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:37:18,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:37:18,023 INFO L87 Difference]: Start difference. First operand 148 states and 166 transitions. Second operand 9 states. [2020-09-21 11:37:18,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:37:18,467 INFO L93 Difference]: Finished difference Result 150 states and 167 transitions. [2020-09-21 11:37:18,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:37:18,468 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-09-21 11:37:18,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:37:18,470 INFO L225 Difference]: With dead ends: 150 [2020-09-21 11:37:18,470 INFO L226 Difference]: Without dead ends: 138 [2020-09-21 11:37:18,471 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:37:18,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-09-21 11:37:18,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-09-21 11:37:18,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-09-21 11:37:18,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 155 transitions. [2020-09-21 11:37:18,490 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 155 transitions. Word has length 83 [2020-09-21 11:37:18,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:37:18,491 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 155 transitions. [2020-09-21 11:37:18,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:37:18,491 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 155 transitions. [2020-09-21 11:37:18,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-09-21 11:37:18,499 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:37:18,500 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:37:18,500 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:37:18,500 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:37:18,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:37:18,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1587921817, now seen corresponding path program 1 times [2020-09-21 11:37:18,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:37:18,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1313992949] [2020-09-21 11:37:18,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:37:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:18,610 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:18,610 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:18,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:18,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:18,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-21 11:37:18,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:18,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:37:18,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:18,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:37:18,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-09-21 11:37:18,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:37:18,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:18,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:37:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:18,731 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:18,731 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:18,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:18,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:18,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:18,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:18,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:18,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:18,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:18,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:18,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:18,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:18,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:37:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:18,748 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:18,749 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:18,749 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:18,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:18,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:37:18,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:18,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:37:18,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:18,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:18,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:18,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:18,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:18,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:37:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:18,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:18,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:18,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:18,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:18,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:37:18,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:18,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:18,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:18,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:18,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:18,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:18,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:18,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:37:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:18,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:18,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:18,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:18,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:18,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:18,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:18,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:18,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:18,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:18,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:18,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:18,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-21 11:37:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:18,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:18,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:18,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:18,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:18,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:37:18,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:18,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:37:18,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:18,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:37:18,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:18,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:37:18,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:18,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:37:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:18,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:18,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:18,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:18,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:18,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:37:18,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:18,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:18,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:18,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:18,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:18,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:18,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:18,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:37:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:18,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:18,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:18,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:18,871 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:18,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:37:18,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:18,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:18,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:18,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:18,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:18,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:18,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:18,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:37:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:18,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:18,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:18,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:18,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:18,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:18,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:18,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:18,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:18,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:18,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:18,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:18,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:18,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-09-21 11:37:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:18,897 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:18,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:18,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:18,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:18,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:18,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:18,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:18,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:18,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:37:18,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:18,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:37:18,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:18,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:37:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:18,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:18,917 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:18,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:18,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:18,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:37:18,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:18,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:37:18,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:18,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:37:18,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:18,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:37:18,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:18,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:37:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:18,937 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:18,937 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:18,937 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:18,937 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:18,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:37:18,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:18,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:37:18,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:18,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:37:18,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:18,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:37:18,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:18,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-21 11:37:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:18,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:18,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:18,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:18,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:18,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-21 11:37:18,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:18,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:37:18,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:18,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:37:18,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:37:18,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:37:18,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:18,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:37:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:19,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:19,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:19,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:19,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:19,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:37:19,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:19,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:37:19,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:19,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:37:19,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:37:19,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:37:19,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:19,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:37:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:19,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:19,036 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:19,036 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:19,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:19,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:19,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:19,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:19,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:19,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:37:19,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:19,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:37:19,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:19,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-21 11:37:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:37:19,049 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:37:19,049 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:37:19,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:37:19,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:37:19,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:37:19,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:37:19,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:37:19,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:37:19,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:37:19,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:37:19,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:37:19,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:37:19,075 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-21 11:37:19,076 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1313992949] [2020-09-21 11:37:19,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:37:19,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:37:19,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898328249] [2020-09-21 11:37:19,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:37:19,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:37:19,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:37:19,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:37:19,079 INFO L87 Difference]: Start difference. First operand 138 states and 155 transitions. Second operand 7 states. [2020-09-21 11:37:19,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:37:19,415 INFO L93 Difference]: Finished difference Result 138 states and 155 transitions. [2020-09-21 11:37:19,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:37:19,416 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 112 [2020-09-21 11:37:19,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:37:19,417 INFO L225 Difference]: With dead ends: 138 [2020-09-21 11:37:19,418 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:37:19,419 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:37:19,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:37:19,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:37:19,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:37:19,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:37:19,420 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2020-09-21 11:37:19,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:37:19,420 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:37:19,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:37:19,421 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:37:19,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:37:19,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:37:19,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:37:20,731 INFO L268 CegarLoopResult]: For program point L4992-2(lines 4989 4998) no Hoare annotation was computed. [2020-09-21 11:37:20,732 INFO L268 CegarLoopResult]: For program point L4992(lines 4992 4995) no Hoare annotation was computed. [2020-09-21 11:37:20,732 INFO L268 CegarLoopResult]: For program point ldv_module_getEXIT(lines 4989 4998) no Hoare annotation was computed. [2020-09-21 11:37:20,732 INFO L268 CegarLoopResult]: For program point ldv_module_getENTRY(lines 4989 4998) no Hoare annotation was computed. [2020-09-21 11:37:20,732 INFO L268 CegarLoopResult]: For program point kfreeEXIT(lines 5114 5116) no Hoare annotation was computed. [2020-09-21 11:37:20,733 INFO L268 CegarLoopResult]: For program point kfreeENTRY(lines 5114 5116) no Hoare annotation was computed. [2020-09-21 11:37:20,733 INFO L268 CegarLoopResult]: For program point kfreeFINAL(lines 5114 5116) no Hoare annotation was computed. [2020-09-21 11:37:20,733 INFO L268 CegarLoopResult]: For program point might_faultFINAL(lines 5093 5095) no Hoare annotation was computed. [2020-09-21 11:37:20,733 INFO L268 CegarLoopResult]: For program point might_faultEXIT(lines 5093 5095) no Hoare annotation was computed. [2020-09-21 11:37:20,733 INFO L268 CegarLoopResult]: For program point lock_sockENTRY(lines 4708 4716) no Hoare annotation was computed. [2020-09-21 11:37:20,733 INFO L268 CegarLoopResult]: For program point lock_sockFINAL(lines 4708 4716) no Hoare annotation was computed. [2020-09-21 11:37:20,734 INFO L268 CegarLoopResult]: For program point L4712(line 4712) no Hoare annotation was computed. [2020-09-21 11:37:20,734 INFO L268 CegarLoopResult]: For program point lock_sockEXIT(lines 4708 4716) no Hoare annotation was computed. [2020-09-21 11:37:20,734 INFO L268 CegarLoopResult]: For program point L4788-1(lines 4783 4859) no Hoare annotation was computed. [2020-09-21 11:37:20,734 INFO L268 CegarLoopResult]: For program point L4788(line 4788) no Hoare annotation was computed. [2020-09-21 11:37:20,734 INFO L268 CegarLoopResult]: For program point L4797(lines 4797 4800) no Hoare annotation was computed. [2020-09-21 11:37:20,734 INFO L268 CegarLoopResult]: For program point L4793(lines 4792 4853) no Hoare annotation was computed. [2020-09-21 11:37:20,734 INFO L268 CegarLoopResult]: For program point pppox_ioctlFINAL(lines 4774 4860) no Hoare annotation was computed. [2020-09-21 11:37:20,734 INFO L268 CegarLoopResult]: For program point L4794(lines 4794 4852) no Hoare annotation was computed. [2020-09-21 11:37:20,734 INFO L268 CegarLoopResult]: For program point L4856(line 4856) no Hoare annotation was computed. [2020-09-21 11:37:20,734 INFO L268 CegarLoopResult]: For program point L4786(line 4786) no Hoare annotation was computed. [2020-09-21 11:37:20,735 INFO L268 CegarLoopResult]: For program point L4786-1(line 4786) no Hoare annotation was computed. [2020-09-21 11:37:20,735 INFO L268 CegarLoopResult]: For program point L4807(lines 4807 4831) no Hoare annotation was computed. [2020-09-21 11:37:20,735 INFO L268 CegarLoopResult]: For program point pppox_ioctlEXIT(lines 4774 4860) no Hoare annotation was computed. [2020-09-21 11:37:20,735 INFO L268 CegarLoopResult]: For program point L4803(line 4803) no Hoare annotation was computed. [2020-09-21 11:37:20,735 INFO L268 CegarLoopResult]: For program point L4803-1(line 4803) no Hoare annotation was computed. [2020-09-21 11:37:20,735 INFO L268 CegarLoopResult]: For program point pppox_ioctlENTRY(lines 4774 4860) no Hoare annotation was computed. [2020-09-21 11:37:20,735 INFO L268 CegarLoopResult]: For program point L4832(lines 4794 4851) no Hoare annotation was computed. [2020-09-21 11:37:20,735 INFO L268 CegarLoopResult]: For program point L4791(lines 4790 4853) no Hoare annotation was computed. [2020-09-21 11:37:20,735 INFO L268 CegarLoopResult]: For program point L4845(line 4845) no Hoare annotation was computed. [2020-09-21 11:37:20,736 INFO L268 CegarLoopResult]: For program point L4845-1(line 4845) no Hoare annotation was computed. [2020-09-21 11:37:20,736 INFO L268 CegarLoopResult]: For program point L4841(lines 4841 4850) no Hoare annotation was computed. [2020-09-21 11:37:20,736 INFO L268 CegarLoopResult]: For program point L4804-1(line 4804) no Hoare annotation was computed. [2020-09-21 11:37:20,736 INFO L268 CegarLoopResult]: For program point L4804(line 4804) no Hoare annotation was computed. [2020-09-21 11:37:20,736 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 4922 4980) no Hoare annotation was computed. [2020-09-21 11:37:20,736 INFO L268 CegarLoopResult]: For program point L4945(lines 4945 4959) no Hoare annotation was computed. [2020-09-21 11:37:20,736 INFO L268 CegarLoopResult]: For program point L4976(line 4976) no Hoare annotation was computed. [2020-09-21 11:37:20,736 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 4922 4980) no Hoare annotation was computed. [2020-09-21 11:37:20,737 INFO L264 CegarLoopResult]: At program point L4972(lines 4930 4979) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 1) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-09-21 11:37:20,737 INFO L264 CegarLoopResult]: At program point L4966(lines 4930 4979) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-09-21 11:37:20,737 INFO L264 CegarLoopResult]: At program point L4968(lines 4930 4979) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 1) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-09-21 11:37:20,737 INFO L264 CegarLoopResult]: At program point L4933(line 4933) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-09-21 11:37:20,737 INFO L264 CegarLoopResult]: At program point L4933-1(line 4933) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-09-21 11:37:20,738 INFO L264 CegarLoopResult]: At program point L4960(lines 4930 4979) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-09-21 11:37:20,738 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 4922 4980) the Hoare annotation is: (or (and (= ~ldv_module_refcounter~0 1) (= |old(~LDV_IN_INTERRUPT~0)| ~LDV_IN_INTERRUPT~0)) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-09-21 11:37:20,738 INFO L268 CegarLoopResult]: For program point L4952(line 4952) no Hoare annotation was computed. [2020-09-21 11:37:20,738 INFO L264 CegarLoopResult]: At program point L4946(lines 4945 4959) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-09-21 11:37:20,738 INFO L268 CegarLoopResult]: For program point L4934(line 4934) no Hoare annotation was computed. [2020-09-21 11:37:20,739 INFO L268 CegarLoopResult]: For program point L4936(lines 4936 4939) no Hoare annotation was computed. [2020-09-21 11:37:20,739 INFO L268 CegarLoopResult]: For program point L4965(lines 4965 4969) no Hoare annotation was computed. [2020-09-21 11:37:20,739 INFO L268 CegarLoopResult]: For program point L5006(lines 5006 5011) no Hoare annotation was computed. [2020-09-21 11:37:20,739 INFO L264 CegarLoopResult]: At program point ldv_try_module_getENTRY(lines 4999 5016) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 1) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-09-21 11:37:20,739 INFO L268 CegarLoopResult]: For program point L5004-1(line 5004) no Hoare annotation was computed. [2020-09-21 11:37:20,739 INFO L268 CegarLoopResult]: For program point L5002(lines 5002 5013) no Hoare annotation was computed. [2020-09-21 11:37:20,740 INFO L264 CegarLoopResult]: At program point L5004(line 5004) the Hoare annotation is: (or (let ((.cse1 (+ ldv_try_module_get_~module.offset ldv_try_module_get_~module.base)) (.cse0 (+ |ldv_try_module_get_#in~module.base| |ldv_try_module_get_#in~module.offset|))) (and (= ~ldv_module_refcounter~0 1) (<= .cse0 .cse1) (<= .cse0 (+ (* 18446744073709551616 (div (+ |ldv_try_module_get_#in~module.base| |ldv_try_module_get_#in~module.offset| (- 1)) 18446744073709551616)) 18446744073709551615)) (or (<= .cse1 (* 18446744073709551616 (div .cse1 18446744073709551616))) (<= .cse1 .cse0)))) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-09-21 11:37:20,740 INFO L268 CegarLoopResult]: For program point ldv_try_module_getFINAL(lines 4999 5016) no Hoare annotation was computed. [2020-09-21 11:37:20,740 INFO L268 CegarLoopResult]: For program point ldv_try_module_getEXIT(lines 4999 5016) no Hoare annotation was computed. [2020-09-21 11:37:20,740 INFO L268 CegarLoopResult]: For program point lock_sock_nestedFINAL(lines 5090 5092) no Hoare annotation was computed. [2020-09-21 11:37:20,740 INFO L268 CegarLoopResult]: For program point lock_sock_nestedENTRY(lines 5090 5092) no Hoare annotation was computed. [2020-09-21 11:37:20,740 INFO L268 CegarLoopResult]: For program point lock_sock_nestedEXIT(lines 5090 5092) no Hoare annotation was computed. [2020-09-21 11:37:20,740 INFO L268 CegarLoopResult]: For program point ##fun~$Pointer$~X~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:37:20,740 INFO L268 CegarLoopResult]: For program point ##fun~$Pointer$~X~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:37:20,740 INFO L268 CegarLoopResult]: For program point ##fun~$Pointer$~X~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:37:20,741 INFO L271 CegarLoopResult]: At program point sock_unregisterENTRY(lines 5110 5112) the Hoare annotation is: true [2020-09-21 11:37:20,741 INFO L268 CegarLoopResult]: For program point sock_unregisterEXIT(lines 5110 5112) no Hoare annotation was computed. [2020-09-21 11:37:20,741 INFO L268 CegarLoopResult]: For program point sock_unregisterFINAL(lines 5110 5112) no Hoare annotation was computed. [2020-09-21 11:37:20,741 INFO L268 CegarLoopResult]: For program point pppox_skEXIT(lines 4718 4723) no Hoare annotation was computed. [2020-09-21 11:37:20,741 INFO L268 CegarLoopResult]: For program point pppox_skENTRY(lines 4718 4723) no Hoare annotation was computed. [2020-09-21 11:37:20,741 INFO L268 CegarLoopResult]: For program point pppox_skFINAL(lines 4718 4723) no Hoare annotation was computed. [2020-09-21 11:37:20,741 INFO L271 CegarLoopResult]: At program point ldv_undefined_intENTRY(lines 5087 5089) the Hoare annotation is: true [2020-09-21 11:37:20,741 INFO L268 CegarLoopResult]: For program point ldv_undefined_intEXIT(lines 5087 5089) no Hoare annotation was computed. [2020-09-21 11:37:20,741 INFO L268 CegarLoopResult]: For program point ldv_undefined_intFINAL(lines 5087 5089) no Hoare annotation was computed. [2020-09-21 11:37:20,742 INFO L268 CegarLoopResult]: For program point __request_moduleEXIT(lines 5080 5082) no Hoare annotation was computed. [2020-09-21 11:37:20,742 INFO L268 CegarLoopResult]: For program point __request_moduleENTRY(lines 5080 5082) no Hoare annotation was computed. [2020-09-21 11:37:20,742 INFO L268 CegarLoopResult]: For program point __request_moduleFINAL(lines 5080 5082) no Hoare annotation was computed. [2020-09-21 11:37:20,742 INFO L264 CegarLoopResult]: At program point L4895(lines 4864 4897) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 1) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-09-21 11:37:20,742 INFO L264 CegarLoopResult]: At program point L4893(line 4893) the Hoare annotation is: (or (and (<= 1 (+ (* 18446744073709551616 (div (+ (* |pppox_create_#t~mem45.base| (- 1)) (* |pppox_create_#t~mem45.offset| (- 1)) 18446744073709551615) 18446744073709551616)) |pppox_create_#t~mem45.base| |pppox_create_#t~mem45.offset|)) (<= 1 (let ((.cse4 (+ (* pppox_create_~protocol 8) |~#pppox_protos~0.offset|))) (let ((.cse2 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse4)) (.cse3 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse4) 16))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse2) .cse3)) (.cse1 (select (select |#memory_$Pointer$.offset| .cse2) .cse3))) (+ .cse0 .cse1 (* 18446744073709551616 (div (+ (* .cse0 (- 1)) (* .cse1 (- 1)) 18446744073709551615) 18446744073709551616))))))) (<= ~ldv_module_refcounter~0 2) (<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0) (= pppox_create_~tmp~2 1)) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-09-21 11:37:20,742 INFO L268 CegarLoopResult]: For program point L4893-1(line 4893) no Hoare annotation was computed. [2020-09-21 11:37:20,742 INFO L268 CegarLoopResult]: For program point pppox_createFINAL(lines 4861 4898) no Hoare annotation was computed. [2020-09-21 11:37:20,742 INFO L268 CegarLoopResult]: For program point L4869(lines 4869 4872) no Hoare annotation was computed. [2020-09-21 11:37:20,743 INFO L268 CegarLoopResult]: For program point L4892-1(line 4892) no Hoare annotation was computed. [2020-09-21 11:37:20,743 INFO L264 CegarLoopResult]: At program point pppox_createENTRY(lines 4861 4898) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 1) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-09-21 11:37:20,743 INFO L264 CegarLoopResult]: At program point L4892(line 4892) the Hoare annotation is: (or (not (= |old(~ldv_module_refcounter~0)| 1)) (and (<= 1 (let ((.cse4 (+ (* pppox_create_~protocol 8) |~#pppox_protos~0.offset|))) (let ((.cse2 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse4)) (.cse3 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse4) 16))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse2) .cse3)) (.cse1 (select (select |#memory_$Pointer$.offset| .cse2) .cse3))) (+ .cse0 .cse1 (* 18446744073709551616 (div (+ (* .cse0 (- 1)) (* .cse1 (- 1)) 18446744073709551615) 18446744073709551616))))))) (<= ~ldv_module_refcounter~0 2) (<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0) (= pppox_create_~tmp~2 1))) [2020-09-21 11:37:20,743 INFO L268 CegarLoopResult]: For program point L4886(lines 4886 4889) no Hoare annotation was computed. [2020-09-21 11:37:20,743 INFO L268 CegarLoopResult]: For program point L4884-1(line 4884) no Hoare annotation was computed. [2020-09-21 11:37:20,744 INFO L264 CegarLoopResult]: At program point L4884(line 4884) the Hoare annotation is: (or (not (= |old(~ldv_module_refcounter~0)| 1)) (let ((.cse2 (+ (* pppox_create_~protocol 8) |~#pppox_protos~0.offset|))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse2)) (.cse1 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse2) 16))) (and (= |pppox_create_#t~mem35.base| (select (select |#memory_$Pointer$.base| .cse0) .cse1)) (= |pppox_create_#t~mem35.offset| (select (select |#memory_$Pointer$.offset| .cse0) .cse1)) (= ~ldv_module_refcounter~0 1))))) [2020-09-21 11:37:20,744 INFO L268 CegarLoopResult]: For program point L4880(lines 4880 4890) no Hoare annotation was computed. [2020-09-21 11:37:20,744 INFO L268 CegarLoopResult]: For program point L4874(lines 4874 4879) no Hoare annotation was computed. [2020-09-21 11:37:20,744 INFO L268 CegarLoopResult]: For program point pppox_createEXIT(lines 4861 4898) no Hoare annotation was computed. [2020-09-21 11:37:20,744 INFO L268 CegarLoopResult]: For program point L4874-2(lines 4874 4879) no Hoare annotation was computed. [2020-09-21 11:37:20,744 INFO L268 CegarLoopResult]: For program point L4866(lines 4866 4872) no Hoare annotation was computed. [2020-09-21 11:37:20,744 INFO L271 CegarLoopResult]: At program point ldv_initializeFINAL(lines 5083 5085) the Hoare annotation is: true [2020-09-21 11:37:20,744 INFO L268 CegarLoopResult]: For program point ldv_initializeEXIT(lines 5083 5085) no Hoare annotation was computed. [2020-09-21 11:37:20,745 INFO L268 CegarLoopResult]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:37:20,745 INFO L271 CegarLoopResult]: At program point ##fun~$Pointer$~X~$Pointer$~TO~intENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:37:20,745 INFO L268 CegarLoopResult]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:37:20,745 INFO L268 CegarLoopResult]: For program point ldv_module_put_and_exitEXIT(lines 5033 5042) no Hoare annotation was computed. [2020-09-21 11:37:20,745 INFO L268 CegarLoopResult]: For program point L5037(lines 5035 5041) no Hoare annotation was computed. [2020-09-21 11:37:20,745 INFO L268 CegarLoopResult]: For program point ldv_module_put_and_exitENTRY(lines 5033 5042) no Hoare annotation was computed. [2020-09-21 11:37:20,745 INFO L268 CegarLoopResult]: For program point unregister_pppox_protoEXIT(lines 4747 4759) no Hoare annotation was computed. [2020-09-21 11:37:20,745 INFO L268 CegarLoopResult]: For program point unregister_pppox_protoENTRY(lines 4747 4759) no Hoare annotation was computed. [2020-09-21 11:37:20,745 INFO L268 CegarLoopResult]: For program point L4751(lines 4751 4754) no Hoare annotation was computed. [2020-09-21 11:37:20,746 INFO L268 CegarLoopResult]: For program point L4750(lines 4750 4756) no Hoare annotation was computed. [2020-09-21 11:37:20,746 INFO L268 CegarLoopResult]: For program point L4750-1(lines 4747 4759) no Hoare annotation was computed. [2020-09-21 11:37:20,746 INFO L268 CegarLoopResult]: For program point pppox_exitEXIT(lines 4909 4917) no Hoare annotation was computed. [2020-09-21 11:37:20,746 INFO L271 CegarLoopResult]: At program point pppox_exitENTRY(lines 4909 4917) the Hoare annotation is: true [2020-09-21 11:37:20,746 INFO L268 CegarLoopResult]: For program point pppox_exitFINAL(lines 4909 4917) no Hoare annotation was computed. [2020-09-21 11:37:20,746 INFO L268 CegarLoopResult]: For program point pppox_unbind_sockEXIT(lines 4760 4773) no Hoare annotation was computed. [2020-09-21 11:37:20,746 INFO L268 CegarLoopResult]: For program point L4766(line 4766) no Hoare annotation was computed. [2020-09-21 11:37:20,747 INFO L268 CegarLoopResult]: For program point pppox_unbind_sockENTRY(lines 4760 4773) no Hoare annotation was computed. [2020-09-21 11:37:20,747 INFO L268 CegarLoopResult]: For program point L4763(lines 4763 4770) no Hoare annotation was computed. [2020-09-21 11:37:20,747 INFO L268 CegarLoopResult]: For program point L4765(line 4765) no Hoare annotation was computed. [2020-09-21 11:37:20,747 INFO L268 CegarLoopResult]: For program point L4766-1(line 4766) no Hoare annotation was computed. [2020-09-21 11:37:20,747 INFO L268 CegarLoopResult]: For program point L4765-1(line 4765) no Hoare annotation was computed. [2020-09-21 11:37:20,747 INFO L268 CegarLoopResult]: For program point L4763-2(lines 4760 4773) no Hoare annotation was computed. [2020-09-21 11:37:20,747 INFO L268 CegarLoopResult]: For program point ldv_module_refcountFINAL(lines 5043 5048) no Hoare annotation was computed. [2020-09-21 11:37:20,748 INFO L268 CegarLoopResult]: For program point ldv_module_refcountENTRY(lines 5043 5048) no Hoare annotation was computed. [2020-09-21 11:37:20,748 INFO L268 CegarLoopResult]: For program point ldv_module_refcountEXIT(lines 5043 5048) no Hoare annotation was computed. [2020-09-21 11:37:20,748 INFO L268 CegarLoopResult]: For program point release_sockENTRY(lines 5103 5105) no Hoare annotation was computed. [2020-09-21 11:37:20,748 INFO L268 CegarLoopResult]: For program point release_sockEXIT(lines 5103 5105) no Hoare annotation was computed. [2020-09-21 11:37:20,748 INFO L268 CegarLoopResult]: For program point release_sockFINAL(lines 5103 5105) no Hoare annotation was computed. [2020-09-21 11:37:20,748 INFO L268 CegarLoopResult]: For program point L4735(lines 4735 4738) no Hoare annotation was computed. [2020-09-21 11:37:20,748 INFO L268 CegarLoopResult]: For program point L4732(lines 4732 4738) no Hoare annotation was computed. [2020-09-21 11:37:20,749 INFO L268 CegarLoopResult]: For program point register_pppox_protoEXIT(lines 4729 4746) no Hoare annotation was computed. [2020-09-21 11:37:20,749 INFO L268 CegarLoopResult]: For program point register_pppox_protoENTRY(lines 4729 4746) no Hoare annotation was computed. [2020-09-21 11:37:20,749 INFO L268 CegarLoopResult]: For program point L4739(lines 4739 4742) no Hoare annotation was computed. [2020-09-21 11:37:20,749 INFO L268 CegarLoopResult]: For program point register_pppox_protoFINAL(lines 4729 4746) no Hoare annotation was computed. [2020-09-21 11:37:20,749 INFO L268 CegarLoopResult]: For program point pppox_initFINAL(lines 4900 4908) no Hoare annotation was computed. [2020-09-21 11:37:20,749 INFO L268 CegarLoopResult]: For program point L4904-1(line 4904) no Hoare annotation was computed. [2020-09-21 11:37:20,749 INFO L271 CegarLoopResult]: At program point pppox_initENTRY(lines 4900 4908) the Hoare annotation is: true [2020-09-21 11:37:20,750 INFO L271 CegarLoopResult]: At program point L4904(line 4904) the Hoare annotation is: true [2020-09-21 11:37:20,750 INFO L268 CegarLoopResult]: For program point pppox_initEXIT(lines 4900 4908) no Hoare annotation was computed. [2020-09-21 11:37:20,750 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:37:20,750 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |~#pppox_protos~0.offset| |old(~#pppox_protos~0.offset)|) (= |~#pppox_protos~0.base| |old(~#pppox_protos~0.base)|) (= ~LDV_IN_INTERRUPT~0 |old(~LDV_IN_INTERRUPT~0)|) (= |old(#length)| |#length|) (= |#t~string32.base| |old(#t~string32.base)|) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (= |~#pppox_proto_family~0.offset| |old(~#pppox_proto_family~0.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |~#pppox_proto_family~0.base| |old(~#pppox_proto_family~0.base)|) (= |old(#valid)| |#valid|)) [2020-09-21 11:37:20,750 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:37:20,750 INFO L271 CegarLoopResult]: At program point ldv_check_final_stateENTRY(lines 5049 5060) the Hoare annotation is: true [2020-09-21 11:37:20,750 INFO L264 CegarLoopResult]: At program point L5054(line 5054) the Hoare annotation is: (not (= ~ldv_module_refcounter~0 1)) [2020-09-21 11:37:20,751 INFO L268 CegarLoopResult]: For program point L5052(lines 5049 5060) no Hoare annotation was computed. [2020-09-21 11:37:20,751 INFO L268 CegarLoopResult]: For program point ldv_check_final_stateEXIT(lines 5049 5060) no Hoare annotation was computed. [2020-09-21 11:37:20,751 INFO L268 CegarLoopResult]: For program point ppp_unregister_channelEXIT(lines 5100 5102) no Hoare annotation was computed. [2020-09-21 11:37:20,751 INFO L268 CegarLoopResult]: For program point ppp_unregister_channelENTRY(lines 5100 5102) no Hoare annotation was computed. [2020-09-21 11:37:20,751 INFO L268 CegarLoopResult]: For program point ppp_unregister_channelFINAL(lines 5100 5102) no Hoare annotation was computed. [2020-09-21 11:37:20,751 INFO L268 CegarLoopResult]: For program point ppp_channel_indexENTRY(lines 5097 5099) no Hoare annotation was computed. [2020-09-21 11:37:20,751 INFO L268 CegarLoopResult]: For program point ppp_channel_indexEXIT(lines 5097 5099) no Hoare annotation was computed. [2020-09-21 11:37:20,752 INFO L268 CegarLoopResult]: For program point ppp_channel_indexFINAL(lines 5097 5099) no Hoare annotation was computed. [2020-09-21 11:37:20,752 INFO L268 CegarLoopResult]: For program point ldv_try_module_get_1FINAL(lines 5061 5069) no Hoare annotation was computed. [2020-09-21 11:37:20,752 INFO L268 CegarLoopResult]: For program point ldv_try_module_get_1EXIT(lines 5061 5069) no Hoare annotation was computed. [2020-09-21 11:37:20,752 INFO L264 CegarLoopResult]: At program point ldv_try_module_get_1ENTRY(lines 5061 5069) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 1) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-09-21 11:37:20,752 INFO L264 CegarLoopResult]: At program point L5065(line 5065) the Hoare annotation is: (or (and (= ldv_try_module_get_1_~module.base |ldv_try_module_get_1_#in~module.base|) (= ~ldv_module_refcounter~0 1) (= |ldv_try_module_get_1_#in~module.offset| ldv_try_module_get_1_~module.offset)) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-09-21 11:37:20,752 INFO L268 CegarLoopResult]: For program point L5065-1(line 5065) no Hoare annotation was computed. [2020-09-21 11:37:20,753 INFO L271 CegarLoopResult]: At program point sock_registerENTRY(lines 5107 5109) the Hoare annotation is: true [2020-09-21 11:37:20,753 INFO L268 CegarLoopResult]: For program point sock_registerEXIT(lines 5107 5109) no Hoare annotation was computed. [2020-09-21 11:37:20,753 INFO L268 CegarLoopResult]: For program point sock_registerFINAL(lines 5107 5109) no Hoare annotation was computed. [2020-09-21 11:37:20,753 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:37:20,753 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2020-09-21 11:37:20,753 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:37:20,754 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:37:20,754 INFO L264 CegarLoopResult]: At program point L5023(line 5023) the Hoare annotation is: (not (<= 2 |old(~ldv_module_refcounter~0)|)) [2020-09-21 11:37:20,754 INFO L268 CegarLoopResult]: For program point L5020-2(lines 5017 5032) no Hoare annotation was computed. [2020-09-21 11:37:20,754 INFO L268 CegarLoopResult]: For program point L5021(lines 5021 5026) no Hoare annotation was computed. [2020-09-21 11:37:20,754 INFO L268 CegarLoopResult]: For program point L5020(lines 5020 5029) no Hoare annotation was computed. [2020-09-21 11:37:20,754 INFO L268 CegarLoopResult]: For program point L5021-1(lines 5021 5026) no Hoare annotation was computed. [2020-09-21 11:37:20,754 INFO L264 CegarLoopResult]: At program point ldv_module_putENTRY(lines 5017 5032) the Hoare annotation is: (or (not (<= 2 |old(~ldv_module_refcounter~0)|)) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)) [2020-09-21 11:37:20,755 INFO L268 CegarLoopResult]: For program point ldv_module_putEXIT(lines 5017 5032) no Hoare annotation was computed. [2020-09-21 11:37:20,755 INFO L271 CegarLoopResult]: At program point ldv_blast_assertENTRY(lines 4981 4986) the Hoare annotation is: true [2020-09-21 11:37:20,755 INFO L268 CegarLoopResult]: For program point ldv_blast_assertEXIT(lines 4981 4986) no Hoare annotation was computed. [2020-09-21 11:37:20,755 INFO L268 CegarLoopResult]: For program point ldv_blast_assertFINAL(lines 4981 4986) no Hoare annotation was computed. [2020-09-21 11:37:20,755 INFO L268 CegarLoopResult]: For program point ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4984) no Hoare annotation was computed. [2020-09-21 11:37:20,755 INFO L268 CegarLoopResult]: For program point ldv_module_put_2FINAL(lines 5070 5078) no Hoare annotation was computed. [2020-09-21 11:37:20,756 INFO L268 CegarLoopResult]: For program point ldv_module_put_2EXIT(lines 5070 5078) no Hoare annotation was computed. [2020-09-21 11:37:20,756 INFO L264 CegarLoopResult]: At program point ldv_module_put_2ENTRY(lines 5070 5078) the Hoare annotation is: (or (not (<= 2 |old(~ldv_module_refcounter~0)|)) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)) [2020-09-21 11:37:20,756 INFO L264 CegarLoopResult]: At program point L5074(line 5074) the Hoare annotation is: (or (not (<= 2 |old(~ldv_module_refcounter~0)|)) (and (= ldv_module_put_2_~ldv_func_arg1.base |ldv_module_put_2_#in~ldv_func_arg1.base|) (= |ldv_module_put_2_#in~ldv_func_arg1.offset| ldv_module_put_2_~ldv_func_arg1.offset) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|))) [2020-09-21 11:37:20,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:37:20 BoogieIcfgContainer [2020-09-21 11:37:20,779 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:37:20,789 INFO L168 Benchmark]: Toolchain (without parser) took 15189.61 ms. Allocated memory was 138.9 MB in the beginning and 478.2 MB in the end (delta: 339.2 MB). Free memory was 95.8 MB in the beginning and 107.9 MB in the end (delta: -12.1 MB). Peak memory consumption was 327.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:37:20,790 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:37:20,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1481.47 ms. Allocated memory was 138.9 MB in the beginning and 228.6 MB in the end (delta: 89.7 MB). Free memory was 95.2 MB in the beginning and 169.5 MB in the end (delta: -74.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:37:20,792 INFO L168 Benchmark]: Boogie Preprocessor took 90.87 ms. Allocated memory is still 228.6 MB. Free memory was 169.5 MB in the beginning and 166.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:37:20,793 INFO L168 Benchmark]: RCFGBuilder took 866.25 ms. Allocated memory is still 228.6 MB. Free memory was 166.4 MB in the beginning and 111.0 MB in the end (delta: 55.4 MB). Peak memory consumption was 55.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:37:20,796 INFO L168 Benchmark]: TraceAbstraction took 12738.42 ms. Allocated memory was 228.6 MB in the beginning and 478.2 MB in the end (delta: 249.6 MB). Free memory was 111.0 MB in the beginning and 107.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 252.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:37:20,807 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1481.47 ms. Allocated memory was 138.9 MB in the beginning and 228.6 MB in the end (delta: 89.7 MB). Free memory was 95.2 MB in the beginning and 169.5 MB in the end (delta: -74.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.87 ms. Allocated memory is still 228.6 MB. Free memory was 169.5 MB in the beginning and 166.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 866.25 ms. Allocated memory is still 228.6 MB. Free memory was 166.4 MB in the beginning and 111.0 MB in the end (delta: 55.4 MB). Peak memory consumption was 55.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12738.42 ms. Allocated memory was 228.6 MB in the beginning and 478.2 MB in the end (delta: 249.6 MB). Free memory was 111.0 MB in the beginning and 107.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 252.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4984]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4930]: Loop Invariant Derived loop invariant: ldv_module_refcounter == \old(ldv_module_refcounter) || !(\old(ldv_module_refcounter) == 1) - InvariantResult [Line: 4930]: Loop Invariant Derived loop invariant: ldv_module_refcounter == \old(ldv_module_refcounter) || !(\old(ldv_module_refcounter) == 1) - InvariantResult [Line: 4864]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 || !(\old(ldv_module_refcounter) == 1) - InvariantResult [Line: 4930]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 || !(\old(ldv_module_refcounter) == 1) - InvariantResult [Line: 4945]: Loop Invariant Derived loop invariant: ldv_module_refcounter == \old(ldv_module_refcounter) || !(\old(ldv_module_refcounter) == 1) - InvariantResult [Line: 4930]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 || !(\old(ldv_module_refcounter) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 172 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.2s, OverallIterations: 8, TraceHistogramMax: 2, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 647 SDtfs, 900 SDslu, 1068 SDs, 0 SdLazy, 2832 SolverSat, 395 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 275 GetRequests, 187 SyntacticMatches, 1 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=196occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 66 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 234 PreInvPairs, 251 NumberOfFragments, 574 HoareAnnotationTreeSize, 234 FomulaSimplifications, 3168 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 35 FomulaSimplificationsInter, 1239 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 565 NumberOfCodeBlocks, 565 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 557 ConstructedInterpolants, 0 QuantifiedInterpolants, 171545 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 45/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...