/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options 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-c90d42b [2020-09-24 16:16:23,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:16:23,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:16:23,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:16:23,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:16:23,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:16:23,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:16:23,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:16:23,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:16:23,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:16:23,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:16:23,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:16:23,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:16:23,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:16:23,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:16:23,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:16:23,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:16:23,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:16:23,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:16:23,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:16:23,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:16:23,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:16:23,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:16:23,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:16:23,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 16:16:23,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 16:16:23,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 16:16:23,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 16:16:23,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 16:16:23,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 16:16:23,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 16:16:23,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 16:16:23,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 16:16:23,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 16:16:23,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 16:16:23,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 16:16:23,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 16:16:23,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 16:16:23,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:16:23,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:16:23,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:16:23,618 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-24 16:16:23,678 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:16:23,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:16:23,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:16:23,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:16:23,685 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:16:23,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:16:23,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:16:23,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:16:23,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:16:23,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:16:23,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:16:23,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:16:23,687 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:16:23,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:16:23,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:16:23,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:16:23,687 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:16:23,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:16:23,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:16:23,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:16:23,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:16:23,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:16:23,689 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:16:23,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:16:23,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:16:23,689 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:16:23,690 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 16:16:23,690 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;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; [2020-09-24 16:16:24,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:16:24,201 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:16:24,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:16:24,210 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:16:24,211 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:16:24,212 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2020-09-24 16:16:24,306 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5294d4d51/f8e5ce12197645d78e25ba11b1a5dde8/FLAG1bb0fc21b [2020-09-24 16:16:25,156 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:16:25,157 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2020-09-24 16:16:25,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5294d4d51/f8e5ce12197645d78e25ba11b1a5dde8/FLAG1bb0fc21b [2020-09-24 16:16:25,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5294d4d51/f8e5ce12197645d78e25ba11b1a5dde8 [2020-09-24 16:16:25,718 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:16:25,724 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:16:25,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:16:25,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:16:25,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:16:25,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:16:25" (1/1) ... [2020-09-24 16:16:25,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d971ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:16:25, skipping insertion in model container [2020-09-24 16:16:25,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:16:25" (1/1) ... [2020-09-24 16:16:25,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:16:25,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:16:26,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:16:26,875 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 16:16:27,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:16:27,166 INFO L208 MainTranslator]: Completed translation [2020-09-24 16:16:27,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:16:27 WrapperNode [2020-09-24 16:16:27,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:16:27,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 16:16:27,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 16:16:27,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 16:16:27,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:16:27" (1/1) ... [2020-09-24 16:16:27,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:16:27" (1/1) ... [2020-09-24 16:16:27,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:16:27" (1/1) ... [2020-09-24 16:16:27,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:16:27" (1/1) ... [2020-09-24 16:16:27,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:16:27" (1/1) ... [2020-09-24 16:16:27,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:16:27" (1/1) ... [2020-09-24 16:16:27,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:16:27" (1/1) ... [2020-09-24 16:16:27,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 16:16:27,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 16:16:27,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 16:16:27,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 16:16:27,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:16:27" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:16:27,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 16:16:27,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 16:16:27,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-24 16:16:27,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-09-24 16:16:27,400 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2020-09-24 16:16:27,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2020-09-24 16:16:27,400 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2020-09-24 16:16:27,400 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2020-09-24 16:16:27,401 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2020-09-24 16:16:27,401 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2020-09-24 16:16:27,401 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2020-09-24 16:16:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2020-09-24 16:16:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2020-09-24 16:16:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 16:16:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-09-24 16:16:27,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-09-24 16:16:27,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-09-24 16:16:27,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-09-24 16:16:27,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-09-24 16:16:27,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-09-24 16:16:27,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 16:16:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2020-09-24 16:16:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2020-09-24 16:16:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2020-09-24 16:16:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 16:16:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2020-09-24 16:16:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2020-09-24 16:16:27,405 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-09-24 16:16:27,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2020-09-24 16:16:27,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2020-09-24 16:16:27,405 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2020-09-24 16:16:27,405 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2020-09-24 16:16:27,406 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2020-09-24 16:16:27,406 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 16:16:27,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 16:16:27,406 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-09-24 16:16:27,406 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2020-09-24 16:16:27,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2020-09-24 16:16:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2020-09-24 16:16:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-09-24 16:16:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-09-24 16:16:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-09-24 16:16:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-09-24 16:16:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-09-24 16:16:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2020-09-24 16:16:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2020-09-24 16:16:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2020-09-24 16:16:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2020-09-24 16:16:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2020-09-24 16:16:27,408 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2020-09-24 16:16:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2020-09-24 16:16:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2020-09-24 16:16:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2020-09-24 16:16:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2020-09-24 16:16:27,409 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2020-09-24 16:16:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2020-09-24 16:16:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 16:16:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 16:16:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 16:16:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 16:16:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-09-24 16:16:27,410 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2020-09-24 16:16:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 16:16:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-09-24 16:16:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2020-09-24 16:16:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2020-09-24 16:16:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 16:16:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 16:16:27,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 16:16:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 16:16:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-09-24 16:16:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2020-09-24 16:16:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 16:16:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 16:16:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 16:16:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 16:16:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 16:16:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 16:16:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 16:16:27,809 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-24 16:16:27,940 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-09-24 16:16:27,941 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-09-24 16:16:27,975 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-09-24 16:16:27,976 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-09-24 16:16:27,977 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-24 16:16:28,031 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2020-09-24 16:16:28,031 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2020-09-24 16:16:28,152 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-09-24 16:16:28,303 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 16:16:28,304 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-24 16:16:28,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:16:28 BoogieIcfgContainer [2020-09-24 16:16:28,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 16:16:28,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 16:16:28,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 16:16:28,315 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 16:16:28,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:16:25" (1/3) ... [2020-09-24 16:16:28,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7508f75e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:16:28, skipping insertion in model container [2020-09-24 16:16:28,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:16:27" (2/3) ... [2020-09-24 16:16:28,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7508f75e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:16:28, skipping insertion in model container [2020-09-24 16:16:28,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:16:28" (3/3) ... [2020-09-24 16:16:28,320 INFO L109 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-pppox.ko.cil.out.i [2020-09-24 16:16:28,333 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 16:16:28,345 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 16:16:28,370 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 16:16:28,405 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 16:16:28,406 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 16:16:28,406 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 16:16:28,406 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 16:16:28,406 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 16:16:28,406 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 16:16:28,407 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 16:16:28,407 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 16:16:28,437 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-09-24 16:16:28,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 16:16:28,448 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:16:28,449 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] [2020-09-24 16:16:28,450 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:16:28,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:16:28,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1095303050, now seen corresponding path program 1 times [2020-09-24 16:16:28,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:16:28,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [876508130] [2020-09-24 16:16:28,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:16:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:28,729 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:28,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:28,729 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:28,730 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:28,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-24 16:16:28,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:28,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 16:16:28,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:28,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 16:16:28,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 16:16:28,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-24 16:16:28,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 16:16:28,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:16:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:29,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:29,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:29,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:29,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:29,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 16:16:29,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:29,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:16:29,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:29,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:16:29,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:29,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 16:16:29,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-09-24 16:16:29,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 16:16:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:29,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:29,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:29,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:29,120 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:29,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:16:29,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:29,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 16:16:29,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:29,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:16:29,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:29,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:16:29,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:29,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 16:16:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:29,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:29,144 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:29,144 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:29,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:29,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 16:16:29,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:29,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:16:29,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:29,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:16:29,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:29,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 16:16:29,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:29,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:16:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:29,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:29,164 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:29,164 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:29,164 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:29,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:16:29,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:29,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:29,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:16:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:16:29,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:29,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:16:29,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [876508130] [2020-09-24 16:16:29,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:16:29,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 16:16:29,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174818194] [2020-09-24 16:16:29,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 16:16:29,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:16:29,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 16:16:29,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 16:16:29,221 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 4 states. [2020-09-24 16:16:30,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:16:30,115 INFO L93 Difference]: Finished difference Result 426 states and 482 transitions. [2020-09-24 16:16:30,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 16:16:30,117 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-09-24 16:16:30,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:16:30,140 INFO L225 Difference]: With dead ends: 426 [2020-09-24 16:16:30,140 INFO L226 Difference]: Without dead ends: 291 [2020-09-24 16:16:30,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 16:16:30,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-09-24 16:16:30,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 287. [2020-09-24 16:16:30,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-09-24 16:16:30,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 313 transitions. [2020-09-24 16:16:30,248 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 313 transitions. Word has length 53 [2020-09-24 16:16:30,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:16:30,249 INFO L479 AbstractCegarLoop]: Abstraction has 287 states and 313 transitions. [2020-09-24 16:16:30,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 16:16:30,249 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 313 transitions. [2020-09-24 16:16:30,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-09-24 16:16:30,260 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:16:30,260 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:16:30,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 16:16:30,261 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:16:30,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:16:30,261 INFO L82 PathProgramCache]: Analyzing trace with hash 173654324, now seen corresponding path program 1 times [2020-09-24 16:16:30,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:16:30,266 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1536751321] [2020-09-24 16:16:30,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:16:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:30,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:30,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:30,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:30,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:30,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-09-24 16:16:30,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:30,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 16:16:30,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:30,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 16:16:30,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-09-24 16:16:30,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 16:16:30,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:30,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:16:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:30,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:30,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:30,532 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:30,532 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:30,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 16:16:30,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:30,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:30,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:30,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:16:30,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:30,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:16:30,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:16:30,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 16:16:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:30,557 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:30,557 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:30,557 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:30,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:30,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:16:30,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:30,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:30,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:30,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:16:30,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:30,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:16:30,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:30,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 16:16:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:30,569 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:30,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:30,570 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:30,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:30,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 16:16:30,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:30,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:30,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:30,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:16:30,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:30,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:16:30,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:16:30,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:16:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:30,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:30,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:30,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:30,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:30,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:16:30,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:30,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:30,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:30,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:16:30,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:30,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:16:30,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:16:30,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-24 16:16:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:30,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:30,625 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:30,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:30,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:30,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 16:16:30,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:30,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 16:16:30,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:30,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:16:30,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:30,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 16:16:30,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:16:30,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:16:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:30,701 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:30,701 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:30,702 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:30,702 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:30,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:16:30,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:30,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:16:30,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:30,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 16:16:30,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:30,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:16:30,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:16:30,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 16:16:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:30,740 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:30,740 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:30,741 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:30,741 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:30,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:16:30,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:30,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:30,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:30,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:16:30,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 16:16:30,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:16:30,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:30,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:16:30,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1536751321] [2020-09-24 16:16:30,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:16:30,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 16:16:30,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757143] [2020-09-24 16:16:30,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 16:16:30,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:16:30,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 16:16:30,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-24 16:16:30,806 INFO L87 Difference]: Start difference. First operand 287 states and 313 transitions. Second operand 10 states. [2020-09-24 16:16:31,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:16:31,962 INFO L93 Difference]: Finished difference Result 495 states and 547 transitions. [2020-09-24 16:16:31,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 16:16:31,963 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 120 [2020-09-24 16:16:31,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:16:31,970 INFO L225 Difference]: With dead ends: 495 [2020-09-24 16:16:31,970 INFO L226 Difference]: Without dead ends: 257 [2020-09-24 16:16:31,980 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2020-09-24 16:16:31,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-09-24 16:16:32,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 244. [2020-09-24 16:16:32,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-24 16:16:32,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 264 transitions. [2020-09-24 16:16:32,031 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 264 transitions. Word has length 120 [2020-09-24 16:16:32,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:16:32,032 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 264 transitions. [2020-09-24 16:16:32,032 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 16:16:32,032 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 264 transitions. [2020-09-24 16:16:32,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-09-24 16:16:32,042 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:16:32,042 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:16:32,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 16:16:32,043 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:16:32,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:16:32,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1108936363, now seen corresponding path program 1 times [2020-09-24 16:16:32,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:16:32,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [68636968] [2020-09-24 16:16:32,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:16:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:32,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:32,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:32,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:32,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:32,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-09-24 16:16:32,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:32,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 16:16:32,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:32,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 16:16:32,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-09-24 16:16:32,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 16:16:32,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:32,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:16:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:32,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:32,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:32,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:32,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:32,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 16:16:32,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:32,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:32,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:32,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:16:32,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:32,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:16:32,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:16:32,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 16:16:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:32,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:32,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:32,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:32,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:32,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:16:32,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:32,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:32,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:32,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:16:32,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:32,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:16:32,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:16:32,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 16:16:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:32,248 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:32,248 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:32,249 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:32,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:32,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 16:16:32,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:32,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:32,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:32,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:16:32,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:32,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:16:32,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:16:32,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:16:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:32,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:32,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:32,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:32,265 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:32,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:16:32,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:32,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:16:32,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:32,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:16:32,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:32,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:16:32,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:32,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 16:16:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:32,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:32,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:32,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:32,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:32,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-24 16:16:32,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:32,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 16:16:32,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:32,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 16:16:32,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-09-24 16:16:32,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 16:16:32,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:32,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 16:16:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:32,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:32,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:32,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:32,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:32,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 16:16:32,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:32,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 16:16:32,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:32,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:16:32,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:32,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 16:16:32,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:32,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:16:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:32,517 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:32,518 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:32,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:32,519 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:32,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 16:16:32,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:32,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:16:32,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:32,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 16:16:32,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:32,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 16:16:32,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:16:32,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:16:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:32,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:32,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:32,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:32,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:32,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:16:32,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:32,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:32,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:32,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:16:32,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:32,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:16:32,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:16:32,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-24 16:16:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:32,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:32,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:32,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:32,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:32,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:16:32,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:32,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:32,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:32,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:16:32,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 16:16:32,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:16:32,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:16:32,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:16:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:32,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:32,598 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:32,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:32,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:32,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:16:32,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:32,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:32,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:32,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:16:32,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:32,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:16:32,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:32,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:16:32,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [68636968] [2020-09-24 16:16:32,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:16:32,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 16:16:32,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444895264] [2020-09-24 16:16:32,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 16:16:32,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:16:32,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 16:16:32,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-24 16:16:32,640 INFO L87 Difference]: Start difference. First operand 244 states and 264 transitions. Second operand 10 states. [2020-09-24 16:16:33,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:16:33,461 INFO L93 Difference]: Finished difference Result 375 states and 407 transitions. [2020-09-24 16:16:33,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 16:16:33,462 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 129 [2020-09-24 16:16:33,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:16:33,465 INFO L225 Difference]: With dead ends: 375 [2020-09-24 16:16:33,465 INFO L226 Difference]: Without dead ends: 248 [2020-09-24 16:16:33,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-09-24 16:16:33,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-09-24 16:16:33,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 244. [2020-09-24 16:16:33,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-24 16:16:33,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 263 transitions. [2020-09-24 16:16:33,486 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 263 transitions. Word has length 129 [2020-09-24 16:16:33,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:16:33,487 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 263 transitions. [2020-09-24 16:16:33,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 16:16:33,487 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 263 transitions. [2020-09-24 16:16:33,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-09-24 16:16:33,490 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:16:33,490 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:16:33,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 16:16:33,490 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:16:33,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:16:33,491 INFO L82 PathProgramCache]: Analyzing trace with hash -268445373, now seen corresponding path program 1 times [2020-09-24 16:16:33,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:16:33,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [541551542] [2020-09-24 16:16:33,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:16:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:33,577 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:33,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:33,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:33,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:33,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-09-24 16:16:33,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:33,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 16:16:33,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:33,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 16:16:33,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 16:16:33,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-24 16:16:33,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:33,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:16:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:33,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:33,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:33,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:33,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:33,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 16:16:33,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:33,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:16:33,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:33,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:16:33,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:33,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 16:16:33,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:33,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 16:16:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:33,797 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:33,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:33,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:33,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:33,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:16:33,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:33,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:33,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:33,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:16:33,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:33,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:16:33,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:33,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 16:16:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:33,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:33,813 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:33,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:33,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:33,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 16:16:33,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:33,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:16:33,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:33,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:16:33,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:33,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 16:16:33,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:16:33,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:16:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:33,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:33,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:33,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:33,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:33,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:16:33,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:33,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:33,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:33,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:16:33,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:33,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:16:33,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:33,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-24 16:16:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:33,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:33,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:33,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:33,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:33,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 16:16:33,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:33,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 16:16:33,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:33,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 16:16:33,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:16:33,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 16:16:33,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:33,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:16:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:33,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:33,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:33,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:33,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:33,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 16:16:33,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:33,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 16:16:33,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:33,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:16:33,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:16:33,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 16:16:33,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:16:33,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:16:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:33,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:33,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:33,948 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:33,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:33,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:16:33,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:33,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:33,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:33,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:16:33,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:33,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:16:33,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:33,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-09-24 16:16:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:33,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:33,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:33,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:33,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:33,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:16:33,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:33,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:33,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:33,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:16:33,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:33,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:16:33,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:33,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:16:33,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [541551542] [2020-09-24 16:16:33,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:16:33,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 16:16:33,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784045002] [2020-09-24 16:16:33,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 16:16:33,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:16:33,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 16:16:33,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:16:33,995 INFO L87 Difference]: Start difference. First operand 244 states and 263 transitions. Second operand 7 states. [2020-09-24 16:16:34,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:16:34,890 INFO L93 Difference]: Finished difference Result 346 states and 383 transitions. [2020-09-24 16:16:34,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 16:16:34,891 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 131 [2020-09-24 16:16:34,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:16:34,894 INFO L225 Difference]: With dead ends: 346 [2020-09-24 16:16:34,894 INFO L226 Difference]: Without dead ends: 343 [2020-09-24 16:16:34,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-09-24 16:16:34,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-09-24 16:16:34,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 243. [2020-09-24 16:16:34,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-24 16:16:34,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 261 transitions. [2020-09-24 16:16:34,916 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 261 transitions. Word has length 131 [2020-09-24 16:16:34,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:16:34,916 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 261 transitions. [2020-09-24 16:16:34,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 16:16:34,917 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 261 transitions. [2020-09-24 16:16:34,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-24 16:16:34,919 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:16:34,919 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:16:34,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 16:16:34,920 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:16:34,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:16:34,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1178345674, now seen corresponding path program 1 times [2020-09-24 16:16:34,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:16:34,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [311763436] [2020-09-24 16:16:34,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:16:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:35,083 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 16:16:35,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -6 [2020-09-24 16:16:35,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 6 [2020-09-24 16:16:35,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:35,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-09-24 16:16:35,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:35,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-24 16:16:35,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:35,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 16:16:35,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-09-24 16:16:35,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-24 16:16:35,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:35,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:16:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:35,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:35,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:35,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:35,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:35,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 16:16:35,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:35,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:35,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:35,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:16:35,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:35,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:16:35,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:35,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 16:16:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:35,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:35,201 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:35,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:35,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:35,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:16:35,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:35,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:35,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:35,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:16:35,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:35,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:16:35,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:35,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 16:16:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:35,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:35,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:35,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:35,211 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:35,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 16:16:35,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:35,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:35,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:35,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:16:35,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:35,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:16:35,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:35,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:16:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:35,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:35,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:35,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:35,224 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:35,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:16:35,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:35,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:35,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:35,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:16:35,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:35,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:16:35,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:35,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 16:16:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:35,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 16:16:35,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -6 [2020-09-24 16:16:35,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 6 [2020-09-24 16:16:35,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:35,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-24 16:16:35,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:35,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-24 16:16:35,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:35,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 16:16:35,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 16:16:35,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-24 16:16:35,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:35,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 16:16:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:35,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:35,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:35,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:35,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:35,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 16:16:35,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:35,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 16:16:35,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:35,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 16:16:35,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:35,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 16:16:35,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:16:35,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:16:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:35,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:35,719 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:35,719 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:35,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:35,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 16:16:35,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:35,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 16:16:35,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:35,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:16:35,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:35,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 16:16:35,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:16:35,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:16:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:35,838 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:35,838 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:35,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:35,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:35,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:16:35,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:35,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:16:35,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:35,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:16:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:16:35,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:16:35,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-24 16:16:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:35,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:35,876 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:35,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:35,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:35,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:16:35,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:35,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 16:16:35,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:35,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:16:35,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:35,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:16:35,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:35,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-09-24 16:16:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:35,908 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:35,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:35,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:35,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:35,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 16:16:35,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:35,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 16:16:35,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:35,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:16:35,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 16:16:35,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 16:16:35,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:16:35,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:16:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:36,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:36,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:36,015 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:36,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:36,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:16:36,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:36,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 16:16:36,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:36,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:16:36,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:36,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:16:36,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:16:36,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 16:16:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:36,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:36,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:36,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:36,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:36,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:16:36,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:36,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:36,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:36,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:16:36,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 16:16:36,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:16:36,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:36,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:16:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:36,170 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:36,170 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:36,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:36,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:36,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:16:36,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:36,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:36,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:36,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:16:36,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:36,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:16:36,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:36,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:16:36,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [311763436] [2020-09-24 16:16:36,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:16:36,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-24 16:16:36,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846651102] [2020-09-24 16:16:36,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-24 16:16:36,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:16:36,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-24 16:16:36,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2020-09-24 16:16:36,254 INFO L87 Difference]: Start difference. First operand 243 states and 261 transitions. Second operand 17 states. [2020-09-24 16:16:39,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:16:39,134 INFO L93 Difference]: Finished difference Result 407 states and 435 transitions. [2020-09-24 16:16:39,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-24 16:16:39,135 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 154 [2020-09-24 16:16:39,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:16:39,137 INFO L225 Difference]: With dead ends: 407 [2020-09-24 16:16:39,137 INFO L226 Difference]: Without dead ends: 277 [2020-09-24 16:16:39,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=161, Invalid=1245, Unknown=0, NotChecked=0, Total=1406 [2020-09-24 16:16:39,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-09-24 16:16:39,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 243. [2020-09-24 16:16:39,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-24 16:16:39,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 260 transitions. [2020-09-24 16:16:39,161 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 260 transitions. Word has length 154 [2020-09-24 16:16:39,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:16:39,161 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 260 transitions. [2020-09-24 16:16:39,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-24 16:16:39,161 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 260 transitions. [2020-09-24 16:16:39,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-24 16:16:39,163 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:16:39,164 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:16:39,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 16:16:39,164 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:16:39,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:16:39,164 INFO L82 PathProgramCache]: Analyzing trace with hash 55587874, now seen corresponding path program 1 times [2020-09-24 16:16:39,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:16:39,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1274825413] [2020-09-24 16:16:39,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:16:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:39,246 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 16:16:39,247 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:39,247 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:39,247 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:39,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-09-24 16:16:39,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:39,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 16:16:39,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:39,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 16:16:39,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 16:16:39,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-09-24 16:16:39,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:39,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:16:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:39,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:39,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:39,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:39,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:39,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 16:16:39,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:39,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:16:39,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:39,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:16:39,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:39,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 16:16:39,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:16:39,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 16:16:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:39,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:39,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:39,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:39,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:39,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:16:39,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:39,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:16:39,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:39,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:16:39,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:39,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:16:39,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:16:39,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 16:16:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:39,456 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:39,456 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:39,456 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:39,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:39,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 16:16:39,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:39,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:16:39,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:16:39,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:39,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 16:16:39,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:39,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:16:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:39,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:39,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:39,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:39,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:39,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:16:39,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:39,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:39,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:39,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:16:39,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:39,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:16:39,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:39,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 16:16:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:39,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 16:16:39,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:39,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:39,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:39,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-24 16:16:39,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:39,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 16:16:39,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:39,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 16:16:39,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:16:39,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-24 16:16:39,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:39,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 16:16:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:39,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:39,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:39,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:39,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:39,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 16:16:39,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:39,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 16:16:39,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:39,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 16:16:39,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:16:39,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 16:16:39,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:39,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 16:16:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:39,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:39,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:39,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:39,811 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:39,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 16:16:39,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:39,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-24 16:16:39,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:39,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:16:39,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:16:39,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 16:16:39,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:39,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:16:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:39,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:39,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:39,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:39,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:39,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:16:39,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:39,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:16:39,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:39,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:16:39,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:16:39,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:16:39,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-24 16:16:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:39,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:39,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:39,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:39,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:39,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:16:39,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:39,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:16:39,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:39,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:16:39,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:39,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:16:39,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:39,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-09-24 16:16:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:39,896 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:39,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:39,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:39,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:39,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 16:16:39,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:39,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 16:16:39,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:39,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 16:16:39,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:16:39,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 16:16:39,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:16:39,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:16:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:39,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:39,937 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:39,937 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:39,937 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:39,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:16:39,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:39,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 16:16:39,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:39,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:16:39,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 16:16:39,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 16:16:39,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:39,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-24 16:16:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:39,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:39,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:39,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:39,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:39,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:16:39,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:39,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:16:39,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:39,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:16:39,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:39,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 16:16:39,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:39,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:16:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:16:39,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:16:39,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:16:39,992 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:16:39,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:16:39,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:16:39,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:16:39,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:16:39,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:16:39,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:16:39,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:16:39,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:16:39,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:16:40,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-24 16:16:40,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1274825413] [2020-09-24 16:16:40,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:16:40,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 16:16:40,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452347025] [2020-09-24 16:16:40,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 16:16:40,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:16:40,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 16:16:40,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 16:16:40,056 INFO L87 Difference]: Start difference. First operand 243 states and 260 transitions. Second operand 7 states. [2020-09-24 16:16:40,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:16:40,548 INFO L93 Difference]: Finished difference Result 243 states and 260 transitions. [2020-09-24 16:16:40,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 16:16:40,549 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 156 [2020-09-24 16:16:40,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:16:40,550 INFO L225 Difference]: With dead ends: 243 [2020-09-24 16:16:40,550 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 16:16:40,553 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-09-24 16:16:40,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 16:16:40,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 16:16:40,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 16:16:40,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 16:16:40,554 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2020-09-24 16:16:40,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:16:40,554 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 16:16:40,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 16:16:40,554 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 16:16:40,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 16:16:40,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 16:16:40,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 16:16:42,202 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 36 [2020-09-24 16:16:42,377 INFO L268 CegarLoopResult]: For program point L4992-2(lines 4989 4998) no Hoare annotation was computed. [2020-09-24 16:16:42,377 INFO L268 CegarLoopResult]: For program point L4993(line 4993) no Hoare annotation was computed. [2020-09-24 16:16:42,377 INFO L268 CegarLoopResult]: For program point L4992(lines 4992 4995) no Hoare annotation was computed. [2020-09-24 16:16:42,377 INFO L268 CegarLoopResult]: For program point ldv_module_getEXIT(lines 4989 4998) no Hoare annotation was computed. [2020-09-24 16:16:42,377 INFO L268 CegarLoopResult]: For program point ldv_module_getENTRY(lines 4989 4998) no Hoare annotation was computed. [2020-09-24 16:16:42,377 INFO L268 CegarLoopResult]: For program point kfreeEXIT(lines 5114 5116) no Hoare annotation was computed. [2020-09-24 16:16:42,377 INFO L268 CegarLoopResult]: For program point L5115(line 5115) no Hoare annotation was computed. [2020-09-24 16:16:42,377 INFO L268 CegarLoopResult]: For program point kfreeENTRY(lines 5114 5116) no Hoare annotation was computed. [2020-09-24 16:16:42,377 INFO L268 CegarLoopResult]: For program point kfreeFINAL(lines 5114 5116) no Hoare annotation was computed. [2020-09-24 16:16:42,378 INFO L268 CegarLoopResult]: For program point might_faultFINAL(lines 5093 5095) no Hoare annotation was computed. [2020-09-24 16:16:42,378 INFO L268 CegarLoopResult]: For program point might_faultEXIT(lines 5093 5095) no Hoare annotation was computed. [2020-09-24 16:16:42,378 INFO L268 CegarLoopResult]: For program point lock_sockENTRY(lines 4708 4716) no Hoare annotation was computed. [2020-09-24 16:16:42,378 INFO L268 CegarLoopResult]: For program point lock_sockFINAL(lines 4708 4716) no Hoare annotation was computed. [2020-09-24 16:16:42,378 INFO L268 CegarLoopResult]: For program point L4712(line 4712) no Hoare annotation was computed. [2020-09-24 16:16:42,378 INFO L268 CegarLoopResult]: For program point lock_sockEXIT(lines 4708 4716) no Hoare annotation was computed. [2020-09-24 16:16:42,378 INFO L268 CegarLoopResult]: For program point L4841-8(line 4841) no Hoare annotation was computed. [2020-09-24 16:16:42,379 INFO L268 CegarLoopResult]: For program point L4841-9(line 4841) no Hoare annotation was computed. [2020-09-24 16:16:42,379 INFO L268 CegarLoopResult]: For program point L4788-1(lines 4783 4859) no Hoare annotation was computed. [2020-09-24 16:16:42,379 INFO L268 CegarLoopResult]: For program point L4788(line 4788) no Hoare annotation was computed. [2020-09-24 16:16:42,379 INFO L268 CegarLoopResult]: For program point L4846(line 4846) no Hoare annotation was computed. [2020-09-24 16:16:42,379 INFO L268 CegarLoopResult]: For program point L4780(line 4780) no Hoare annotation was computed. [2020-09-24 16:16:42,379 INFO L268 CegarLoopResult]: For program point L4838(line 4838) no Hoare annotation was computed. [2020-09-24 16:16:42,379 INFO L268 CegarLoopResult]: For program point L4776(line 4776) no Hoare annotation was computed. [2020-09-24 16:16:42,379 INFO L268 CegarLoopResult]: For program point L4838-1(line 4838) no Hoare annotation was computed. [2020-09-24 16:16:42,380 INFO L268 CegarLoopResult]: For program point L4838-2(line 4838) no Hoare annotation was computed. [2020-09-24 16:16:42,380 INFO L268 CegarLoopResult]: For program point L4797-2(line 4797) no Hoare annotation was computed. [2020-09-24 16:16:42,380 INFO L268 CegarLoopResult]: For program point L4797-3(line 4797) no Hoare annotation was computed. [2020-09-24 16:16:42,380 INFO L268 CegarLoopResult]: For program point L4797(line 4797) no Hoare annotation was computed. [2020-09-24 16:16:42,380 INFO L268 CegarLoopResult]: For program point L4797-1(lines 4797 4800) no Hoare annotation was computed. [2020-09-24 16:16:42,380 INFO L268 CegarLoopResult]: For program point L4793(lines 4792 4853) no Hoare annotation was computed. [2020-09-24 16:16:42,380 INFO L268 CegarLoopResult]: For program point pppox_ioctlFINAL(lines 4774 4860) no Hoare annotation was computed. [2020-09-24 16:16:42,381 INFO L268 CegarLoopResult]: For program point L4785-2(line 4785) no Hoare annotation was computed. [2020-09-24 16:16:42,381 INFO L268 CegarLoopResult]: For program point L4785(line 4785) no Hoare annotation was computed. [2020-09-24 16:16:42,381 INFO L268 CegarLoopResult]: For program point L4785-1(line 4785) no Hoare annotation was computed. [2020-09-24 16:16:42,381 INFO L268 CegarLoopResult]: For program point L4781(line 4781) no Hoare annotation was computed. [2020-09-24 16:16:42,381 INFO L268 CegarLoopResult]: For program point L4777(line 4777) no Hoare annotation was computed. [2020-09-24 16:16:42,381 INFO L268 CegarLoopResult]: For program point L4802(line 4802) no Hoare annotation was computed. [2020-09-24 16:16:42,381 INFO L268 CegarLoopResult]: For program point L4794(lines 4794 4852) no Hoare annotation was computed. [2020-09-24 16:16:42,381 INFO L268 CegarLoopResult]: For program point L4856(line 4856) no Hoare annotation was computed. [2020-09-24 16:16:42,381 INFO L268 CegarLoopResult]: For program point L4786(line 4786) no Hoare annotation was computed. [2020-09-24 16:16:42,381 INFO L268 CegarLoopResult]: For program point L4782(line 4782) no Hoare annotation was computed. [2020-09-24 16:16:42,381 INFO L268 CegarLoopResult]: For program point L4786-1(line 4786) no Hoare annotation was computed. [2020-09-24 16:16:42,382 INFO L268 CegarLoopResult]: For program point L4786-2(line 4786) no Hoare annotation was computed. [2020-09-24 16:16:42,382 INFO L268 CegarLoopResult]: For program point L4778(line 4778) no Hoare annotation was computed. [2020-09-24 16:16:42,382 INFO L268 CegarLoopResult]: For program point L4807(lines 4807 4831) no Hoare annotation was computed. [2020-09-24 16:16:42,382 INFO L268 CegarLoopResult]: For program point L4774(lines 4774 4860) no Hoare annotation was computed. [2020-09-24 16:16:42,382 INFO L268 CegarLoopResult]: For program point pppox_ioctlEXIT(lines 4774 4860) no Hoare annotation was computed. [2020-09-24 16:16:42,382 INFO L268 CegarLoopResult]: For program point L4803(line 4803) no Hoare annotation was computed. [2020-09-24 16:16:42,382 INFO L268 CegarLoopResult]: For program point L4803-1(line 4803) no Hoare annotation was computed. [2020-09-24 16:16:42,382 INFO L268 CegarLoopResult]: For program point pppox_ioctlENTRY(lines 4774 4860) no Hoare annotation was computed. [2020-09-24 16:16:42,382 INFO L268 CegarLoopResult]: For program point L4774-1(lines 4774 4860) no Hoare annotation was computed. [2020-09-24 16:16:42,382 INFO L268 CegarLoopResult]: For program point L4803-2(line 4803) no Hoare annotation was computed. [2020-09-24 16:16:42,382 INFO L268 CegarLoopResult]: For program point L4803-3(line 4803) no Hoare annotation was computed. [2020-09-24 16:16:42,383 INFO L268 CegarLoopResult]: For program point L4832(lines 4794 4851) no Hoare annotation was computed. [2020-09-24 16:16:42,383 INFO L268 CegarLoopResult]: For program point L4791(lines 4790 4853) no Hoare annotation was computed. [2020-09-24 16:16:42,383 INFO L268 CegarLoopResult]: For program point L4787(line 4787) no Hoare annotation was computed. [2020-09-24 16:16:42,383 INFO L268 CegarLoopResult]: For program point L4849(line 4849) no Hoare annotation was computed. [2020-09-24 16:16:42,383 INFO L268 CegarLoopResult]: For program point L4779(line 4779) no Hoare annotation was computed. [2020-09-24 16:16:42,383 INFO L268 CegarLoopResult]: For program point L4845-2(line 4845) no Hoare annotation was computed. [2020-09-24 16:16:42,383 INFO L268 CegarLoopResult]: For program point L4845-3(line 4845) no Hoare annotation was computed. [2020-09-24 16:16:42,383 INFO L268 CegarLoopResult]: For program point L4845(line 4845) no Hoare annotation was computed. [2020-09-24 16:16:42,384 INFO L268 CegarLoopResult]: For program point L4845-1(line 4845) no Hoare annotation was computed. [2020-09-24 16:16:42,384 INFO L268 CegarLoopResult]: For program point L4775(line 4775) no Hoare annotation was computed. [2020-09-24 16:16:42,384 INFO L268 CegarLoopResult]: For program point L4841-2(lines 4841 4850) no Hoare annotation was computed. [2020-09-24 16:16:42,384 INFO L268 CegarLoopResult]: For program point L4845-6(line 4845) no Hoare annotation was computed. [2020-09-24 16:16:42,384 INFO L268 CegarLoopResult]: For program point L4841-3(line 4841) no Hoare annotation was computed. [2020-09-24 16:16:42,384 INFO L268 CegarLoopResult]: For program point L4845-7(line 4845) no Hoare annotation was computed. [2020-09-24 16:16:42,384 INFO L268 CegarLoopResult]: For program point L4841(line 4841) no Hoare annotation was computed. [2020-09-24 16:16:42,384 INFO L268 CegarLoopResult]: For program point L4845-4(line 4845) no Hoare annotation was computed. [2020-09-24 16:16:42,385 INFO L268 CegarLoopResult]: For program point L4841-1(line 4841) no Hoare annotation was computed. [2020-09-24 16:16:42,385 INFO L268 CegarLoopResult]: For program point L4845-5(line 4845) no Hoare annotation was computed. [2020-09-24 16:16:42,385 INFO L268 CegarLoopResult]: For program point L4804-1(line 4804) no Hoare annotation was computed. [2020-09-24 16:16:42,385 INFO L268 CegarLoopResult]: For program point L4841-7(line 4841) no Hoare annotation was computed. [2020-09-24 16:16:42,385 INFO L268 CegarLoopResult]: For program point L4837(line 4837) no Hoare annotation was computed. [2020-09-24 16:16:42,385 INFO L268 CegarLoopResult]: For program point L4841-4(line 4841) no Hoare annotation was computed. [2020-09-24 16:16:42,385 INFO L268 CegarLoopResult]: For program point L4845-8(line 4845) no Hoare annotation was computed. [2020-09-24 16:16:42,385 INFO L268 CegarLoopResult]: For program point L4804(line 4804) no Hoare annotation was computed. [2020-09-24 16:16:42,385 INFO L268 CegarLoopResult]: For program point L4841-5(line 4841) no Hoare annotation was computed. [2020-09-24 16:16:42,386 INFO L268 CegarLoopResult]: For program point L4845-9(line 4845) no Hoare annotation was computed. [2020-09-24 16:16:42,386 INFO L268 CegarLoopResult]: For program point L4926(line 4926) no Hoare annotation was computed. [2020-09-24 16:16:42,386 INFO L268 CegarLoopResult]: For program point L4928(line 4928) no Hoare annotation was computed. [2020-09-24 16:16:42,386 INFO L268 CegarLoopResult]: For program point L4924(line 4924) no Hoare annotation was computed. [2020-09-24 16:16:42,386 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 4922 4980) no Hoare annotation was computed. [2020-09-24 16:16:42,386 INFO L268 CegarLoopResult]: For program point L4943(line 4943) no Hoare annotation was computed. [2020-09-24 16:16:42,386 INFO L268 CegarLoopResult]: For program point L4943-1(line 4943) no Hoare annotation was computed. [2020-09-24 16:16:42,386 INFO L268 CegarLoopResult]: For program point L4945(lines 4945 4959) no Hoare annotation was computed. [2020-09-24 16:16:42,386 INFO L268 CegarLoopResult]: For program point L4976(line 4976) no Hoare annotation was computed. [2020-09-24 16:16:42,387 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 4922 4980) no Hoare annotation was computed. [2020-09-24 16:16:42,387 INFO L264 CegarLoopResult]: At program point L4972(lines 4930 4979) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-09-24 16:16:42,387 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))) [2020-09-24 16:16:42,387 INFO L264 CegarLoopResult]: At program point L4968(lines 4930 4979) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (= |old(~ldv_module_refcounter~0)| 1))) [2020-09-24 16:16:42,387 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))) [2020-09-24 16:16:42,388 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))) [2020-09-24 16:16:42,388 INFO L268 CegarLoopResult]: For program point L4927(line 4927) no Hoare annotation was computed. [2020-09-24 16:16:42,388 INFO L268 CegarLoopResult]: For program point L4929(line 4929) no Hoare annotation was computed. [2020-09-24 16:16:42,388 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))) [2020-09-24 16:16:42,388 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))) [2020-09-24 16:16:42,388 INFO L268 CegarLoopResult]: For program point L4925(line 4925) no Hoare annotation was computed. [2020-09-24 16:16:42,388 INFO L268 CegarLoopResult]: For program point L4952-1(line 4952) no Hoare annotation was computed. [2020-09-24 16:16:42,388 INFO L268 CegarLoopResult]: For program point L4952(line 4952) no Hoare annotation was computed. [2020-09-24 16:16:42,389 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))) [2020-09-24 16:16:42,389 INFO L268 CegarLoopResult]: For program point L4934(line 4934) no Hoare annotation was computed. [2020-09-24 16:16:42,389 INFO L268 CegarLoopResult]: For program point L4936(lines 4936 4939) no Hoare annotation was computed. [2020-09-24 16:16:42,389 INFO L268 CegarLoopResult]: For program point L4963(line 4963) no Hoare annotation was computed. [2020-09-24 16:16:42,389 INFO L268 CegarLoopResult]: For program point L4963-1(line 4963) no Hoare annotation was computed. [2020-09-24 16:16:42,389 INFO L268 CegarLoopResult]: For program point L4934-1(line 4934) no Hoare annotation was computed. [2020-09-24 16:16:42,389 INFO L268 CegarLoopResult]: For program point L4965(lines 4965 4969) no Hoare annotation was computed. [2020-09-24 16:16:42,389 INFO L268 CegarLoopResult]: For program point L4932(line 4932) no Hoare annotation was computed. [2020-09-24 16:16:42,390 INFO L268 CegarLoopResult]: For program point L4934-2(line 4934) no Hoare annotation was computed. [2020-09-24 16:16:42,390 INFO L264 CegarLoopResult]: At program point ldv_try_module_getENTRY(lines 4999 5016) the Hoare annotation is: (or (not (<= |old(~ldv_module_refcounter~0)| 1)) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (<= 1 |old(~ldv_module_refcounter~0)|))) [2020-09-24 16:16:42,390 INFO L268 CegarLoopResult]: For program point L5014(line 5014) no Hoare annotation was computed. [2020-09-24 16:16:42,390 INFO L268 CegarLoopResult]: For program point L5010(line 5010) no Hoare annotation was computed. [2020-09-24 16:16:42,390 INFO L268 CegarLoopResult]: For program point ldv_try_module_getEXIT(lines 4999 5016) no Hoare annotation was computed. [2020-09-24 16:16:42,390 INFO L268 CegarLoopResult]: For program point L5007(line 5007) no Hoare annotation was computed. [2020-09-24 16:16:42,390 INFO L268 CegarLoopResult]: For program point L5006(lines 5006 5011) no Hoare annotation was computed. [2020-09-24 16:16:42,390 INFO L268 CegarLoopResult]: For program point L5008(line 5008) no Hoare annotation was computed. [2020-09-24 16:16:42,391 INFO L268 CegarLoopResult]: For program point L5004-1(line 5004) no Hoare annotation was computed. [2020-09-24 16:16:42,391 INFO L268 CegarLoopResult]: For program point L5002(lines 5002 5013) no Hoare annotation was computed. [2020-09-24 16:16:42,391 INFO L268 CegarLoopResult]: For program point L5004-2(line 5004) no Hoare annotation was computed. [2020-09-24 16:16:42,391 INFO L264 CegarLoopResult]: At program point L5004(line 5004) the Hoare annotation is: (or (not (<= |old(~ldv_module_refcounter~0)| 1)) (and (= ldv_try_module_get_~module.base |ldv_try_module_get_#in~module.base|) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (= ldv_try_module_get_~module.offset |ldv_try_module_get_#in~module.offset|) (<= 1 (+ |ldv_try_module_get_#in~module.base| |ldv_try_module_get_#in~module.offset| (* 18446744073709551616 (div (+ (* |ldv_try_module_get_#in~module.base| (- 1)) (* |ldv_try_module_get_#in~module.offset| (- 1)) 18446744073709551615) 18446744073709551616))))) (not (<= 1 |old(~ldv_module_refcounter~0)|))) [2020-09-24 16:16:42,391 INFO L268 CegarLoopResult]: For program point L5004-3(line 5004) no Hoare annotation was computed. [2020-09-24 16:16:42,391 INFO L268 CegarLoopResult]: For program point L5000(line 5000) no Hoare annotation was computed. [2020-09-24 16:16:42,391 INFO L268 CegarLoopResult]: For program point ldv_try_module_getFINAL(lines 4999 5016) no Hoare annotation was computed. [2020-09-24 16:16:42,391 INFO L268 CegarLoopResult]: For program point lock_sock_nestedFINAL(lines 5090 5092) no Hoare annotation was computed. [2020-09-24 16:16:42,392 INFO L268 CegarLoopResult]: For program point lock_sock_nestedENTRY(lines 5090 5092) no Hoare annotation was computed. [2020-09-24 16:16:42,392 INFO L268 CegarLoopResult]: For program point L5090(lines 5090 5092) no Hoare annotation was computed. [2020-09-24 16:16:42,392 INFO L268 CegarLoopResult]: For program point lock_sock_nestedEXIT(lines 5090 5092) no Hoare annotation was computed. [2020-09-24 16:16:42,392 INFO L268 CegarLoopResult]: For program point ##fun~$Pointer$~X~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-24 16:16:42,392 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-24 16:16:42,392 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-24 16:16:42,392 INFO L268 CegarLoopResult]: For program point ##fun~$Pointer$~X~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-24 16:16:42,392 INFO L268 CegarLoopResult]: For program point ##fun~$Pointer$~X~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-24 16:16:42,393 INFO L271 CegarLoopResult]: At program point sock_unregisterENTRY(lines 5110 5112) the Hoare annotation is: true [2020-09-24 16:16:42,393 INFO L268 CegarLoopResult]: For program point sock_unregisterEXIT(lines 5110 5112) no Hoare annotation was computed. [2020-09-24 16:16:42,393 INFO L268 CegarLoopResult]: For program point sock_unregisterFINAL(lines 5110 5112) no Hoare annotation was computed. [2020-09-24 16:16:42,393 INFO L268 CegarLoopResult]: For program point pppox_skEXIT(lines 4718 4723) no Hoare annotation was computed. [2020-09-24 16:16:42,393 INFO L268 CegarLoopResult]: For program point L4721(line 4721) no Hoare annotation was computed. [2020-09-24 16:16:42,393 INFO L268 CegarLoopResult]: For program point pppox_skENTRY(lines 4718 4723) no Hoare annotation was computed. [2020-09-24 16:16:42,393 INFO L268 CegarLoopResult]: For program point pppox_skFINAL(lines 4718 4723) no Hoare annotation was computed. [2020-09-24 16:16:42,393 INFO L271 CegarLoopResult]: At program point ldv_undefined_intENTRY(lines 5087 5089) the Hoare annotation is: true [2020-09-24 16:16:42,394 INFO L268 CegarLoopResult]: For program point L5088-1(line 5088) no Hoare annotation was computed. [2020-09-24 16:16:42,394 INFO L268 CegarLoopResult]: For program point L5088(line 5088) no Hoare annotation was computed. [2020-09-24 16:16:42,394 INFO L268 CegarLoopResult]: For program point ldv_undefined_intEXIT(lines 5087 5089) no Hoare annotation was computed. [2020-09-24 16:16:42,394 INFO L268 CegarLoopResult]: For program point ldv_undefined_intFINAL(lines 5087 5089) no Hoare annotation was computed. [2020-09-24 16:16:42,394 INFO L268 CegarLoopResult]: For program point L5081-2(line 5081) no Hoare annotation was computed. [2020-09-24 16:16:42,394 INFO L268 CegarLoopResult]: For program point __request_moduleEXIT(lines 5080 5082) no Hoare annotation was computed. [2020-09-24 16:16:42,394 INFO L268 CegarLoopResult]: For program point L5081(line 5081) no Hoare annotation was computed. [2020-09-24 16:16:42,394 INFO L268 CegarLoopResult]: For program point L5080(lines 5080 5082) no Hoare annotation was computed. [2020-09-24 16:16:42,394 INFO L268 CegarLoopResult]: For program point L5081-1(line 5081) no Hoare annotation was computed. [2020-09-24 16:16:42,395 INFO L268 CegarLoopResult]: For program point __request_moduleENTRY(lines 5080 5082) no Hoare annotation was computed. [2020-09-24 16:16:42,395 INFO L268 CegarLoopResult]: For program point __request_moduleFINAL(lines 5080 5082) no Hoare annotation was computed. [2020-09-24 16:16:42,395 INFO L264 CegarLoopResult]: At program point L4895(lines 4864 4897) the Hoare annotation is: (or (not (<= |old(~ldv_module_refcounter~0)| 1)) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (<= 1 |old(~ldv_module_refcounter~0)|))) [2020-09-24 16:16:42,395 INFO L268 CegarLoopResult]: For program point L4862(line 4862) no Hoare annotation was computed. [2020-09-24 16:16:42,395 INFO L268 CegarLoopResult]: For program point L4863(line 4863) no Hoare annotation was computed. [2020-09-24 16:16:42,395 INFO L268 CegarLoopResult]: For program point L4892-1(line 4892) no Hoare annotation was computed. [2020-09-24 16:16:42,395 INFO L264 CegarLoopResult]: At program point L4892-2(line 4892) the Hoare annotation is: (or (not (= |old(~ldv_module_refcounter~0)| 1)) (let ((.cse5 (+ |old(~ldv_module_refcounter~0)| 1))) (and (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$.offset| .cse2) .cse3))) (<= (+ .cse0 .cse1) (+ (* 18446744073709551616 (div (+ .cse0 .cse1 (- 1)) 18446744073709551616)) 18446744073709551615))))) (<= .cse5 ~ldv_module_refcounter~0) (= pppox_create_~tmp~2 1) (<= ~ldv_module_refcounter~0 .cse5)))) [2020-09-24 16:16:42,396 INFO L268 CegarLoopResult]: For program point L4892(line 4892) no Hoare annotation was computed. [2020-09-24 16:16:42,396 INFO L268 CegarLoopResult]: For program point L4892-5(line 4892) no Hoare annotation was computed. [2020-09-24 16:16:42,396 INFO L268 CegarLoopResult]: For program point L4892-6(line 4892) no Hoare annotation was computed. [2020-09-24 16:16:42,396 INFO L268 CegarLoopResult]: For program point L4892-3(line 4892) no Hoare annotation was computed. [2020-09-24 16:16:42,396 INFO L268 CegarLoopResult]: For program point L4892-4(line 4892) no Hoare annotation was computed. [2020-09-24 16:16:42,396 INFO L268 CegarLoopResult]: For program point L4884-1(line 4884) no Hoare annotation was computed. [2020-09-24 16:16:42,396 INFO L264 CegarLoopResult]: At program point L4884-2(line 4884) the Hoare annotation is: (or (not (<= |old(~ldv_module_refcounter~0)| 1)) (let ((.cse3 (+ (* pppox_create_~protocol 8) |~#pppox_protos~0.offset|))) (let ((.cse2 (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse3))) (let ((.cse1 (+ .cse2 16)) (.cse0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse3))) (and (= |pppox_create_#t~mem35.base| (select (select |#memory_$Pointer$.base| .cse0) .cse1)) (= |pppox_create_#t~mem35.offset| (select (select |#memory_$Pointer$.offset| .cse0) .cse1)) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (= |pppox_create_#t~mem34.offset| .cse2) (= |pppox_create_#t~mem34.base| .cse0))))) (not (<= 1 |old(~ldv_module_refcounter~0)|))) [2020-09-24 16:16:42,396 INFO L268 CegarLoopResult]: For program point L4892-7(line 4892) no Hoare annotation was computed. [2020-09-24 16:16:42,397 INFO L268 CegarLoopResult]: For program point L4884(line 4884) no Hoare annotation was computed. [2020-09-24 16:16:42,397 INFO L268 CegarLoopResult]: For program point L4880-1(line 4880) no Hoare annotation was computed. [2020-09-24 16:16:42,397 INFO L268 CegarLoopResult]: For program point L4884-5(line 4884) no Hoare annotation was computed. [2020-09-24 16:16:42,397 INFO L268 CegarLoopResult]: For program point L4880-2(line 4880) no Hoare annotation was computed. [2020-09-24 16:16:42,397 INFO L268 CegarLoopResult]: For program point L4884-6(line 4884) no Hoare annotation was computed. [2020-09-24 16:16:42,397 INFO L268 CegarLoopResult]: For program point L4884-3(line 4884) no Hoare annotation was computed. [2020-09-24 16:16:42,397 INFO L268 CegarLoopResult]: For program point L4880(lines 4880 4890) no Hoare annotation was computed. [2020-09-24 16:16:42,397 INFO L268 CegarLoopResult]: For program point L4884-4(line 4884) no Hoare annotation was computed. [2020-09-24 16:16:42,397 INFO L268 CegarLoopResult]: For program point L4884-7(line 4884) no Hoare annotation was computed. [2020-09-24 16:16:42,398 INFO L268 CegarLoopResult]: For program point L4876(line 4876) no Hoare annotation was computed. [2020-09-24 16:16:42,398 INFO L264 CegarLoopResult]: At program point L4893-2(line 4893) the Hoare annotation is: (or (not (<= |old(~ldv_module_refcounter~0)| 1)) (let ((.cse8 (+ |old(~ldv_module_refcounter~0)| 1))) (and (<= (+ |pppox_create_#t~mem45.base| |pppox_create_#t~mem45.offset|) (+ (* 18446744073709551616 (div (+ |pppox_create_#t~mem45.base| |pppox_create_#t~mem45.offset| (- 1)) 18446744073709551616)) 18446744073709551615)) (let ((.cse2 (+ |pppox_create_#t~mem44.offset| 16))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |pppox_create_#t~mem44.base|) .cse2)) (.cse1 (select (select |#memory_$Pointer$.offset| |pppox_create_#t~mem44.base|) .cse2))) (<= (+ .cse0 .cse1) (+ (* 18446744073709551616 (div (+ .cse0 .cse1 (- 1)) 18446744073709551616)) 18446744073709551615)))) (let ((.cse7 (+ (* pppox_create_~protocol 8) |~#pppox_protos~0.offset|))) (let ((.cse5 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse7)) (.cse6 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse7) 16))) (let ((.cse3 (select (select |#memory_$Pointer$.base| .cse5) .cse6)) (.cse4 (select (select |#memory_$Pointer$.offset| .cse5) .cse6))) (<= (+ .cse3 .cse4) (+ (* 18446744073709551616 (div (+ .cse3 .cse4 (- 1)) 18446744073709551616)) 18446744073709551615))))) (<= .cse8 ~ldv_module_refcounter~0) (= pppox_create_~tmp~2 1) (<= ~ldv_module_refcounter~0 .cse8))) (not (<= 1 |old(~ldv_module_refcounter~0)|))) [2020-09-24 16:16:42,398 INFO L268 CegarLoopResult]: For program point L4893-3(line 4893) no Hoare annotation was computed. [2020-09-24 16:16:42,398 INFO L268 CegarLoopResult]: For program point L4893(line 4893) no Hoare annotation was computed. [2020-09-24 16:16:42,398 INFO L268 CegarLoopResult]: For program point L4893-1(line 4893) no Hoare annotation was computed. [2020-09-24 16:16:42,398 INFO L268 CegarLoopResult]: For program point L4893-4(line 4893) no Hoare annotation was computed. [2020-09-24 16:16:42,398 INFO L268 CegarLoopResult]: For program point pppox_createFINAL(lines 4861 4898) no Hoare annotation was computed. [2020-09-24 16:16:42,398 INFO L268 CegarLoopResult]: For program point L4873(line 4873) no Hoare annotation was computed. [2020-09-24 16:16:42,399 INFO L268 CegarLoopResult]: For program point L4869(lines 4869 4872) no Hoare annotation was computed. [2020-09-24 16:16:42,399 INFO L268 CegarLoopResult]: For program point L4865(line 4865) no Hoare annotation was computed. [2020-09-24 16:16:42,399 INFO L268 CegarLoopResult]: For program point L4861-2(lines 4861 4898) no Hoare annotation was computed. [2020-09-24 16:16:42,399 INFO L264 CegarLoopResult]: At program point pppox_createENTRY(lines 4861 4898) the Hoare annotation is: (or (not (<= |old(~ldv_module_refcounter~0)| 1)) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (<= 1 |old(~ldv_module_refcounter~0)|))) [2020-09-24 16:16:42,399 INFO L268 CegarLoopResult]: For program point L4861(lines 4861 4898) no Hoare annotation was computed. [2020-09-24 16:16:42,399 INFO L268 CegarLoopResult]: For program point L4861-1(lines 4861 4898) no Hoare annotation was computed. [2020-09-24 16:16:42,399 INFO L268 CegarLoopResult]: For program point L4886(lines 4886 4889) no Hoare annotation was computed. [2020-09-24 16:16:42,399 INFO L268 CegarLoopResult]: For program point L4874(line 4874) no Hoare annotation was computed. [2020-09-24 16:16:42,400 INFO L268 CegarLoopResult]: For program point L4874-4(line 4874) no Hoare annotation was computed. [2020-09-24 16:16:42,400 INFO L268 CegarLoopResult]: For program point pppox_createEXIT(lines 4861 4898) no Hoare annotation was computed. [2020-09-24 16:16:42,400 INFO L268 CegarLoopResult]: For program point L4874-1(lines 4874 4879) no Hoare annotation was computed. [2020-09-24 16:16:42,400 INFO L268 CegarLoopResult]: For program point L4874-2(line 4874) no Hoare annotation was computed. [2020-09-24 16:16:42,400 INFO L268 CegarLoopResult]: For program point L4866(lines 4866 4872) no Hoare annotation was computed. [2020-09-24 16:16:42,400 INFO L268 CegarLoopResult]: For program point L4874-5(lines 4874 4879) no Hoare annotation was computed. [2020-09-24 16:16:42,400 INFO L271 CegarLoopResult]: At program point ldv_initializeFINAL(lines 5083 5085) the Hoare annotation is: true [2020-09-24 16:16:42,400 INFO L268 CegarLoopResult]: For program point ldv_initializeEXIT(lines 5083 5085) no Hoare annotation was computed. [2020-09-24 16:16:42,401 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-24 16:16:42,401 INFO L268 CegarLoopResult]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-24 16:16:42,401 INFO L271 CegarLoopResult]: At program point ##fun~$Pointer$~X~$Pointer$~TO~intENTRY(line -1) the Hoare annotation is: true [2020-09-24 16:16:42,401 INFO L268 CegarLoopResult]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-24 16:16:42,401 INFO L268 CegarLoopResult]: For program point ldv_module_put_and_exitEXIT(lines 5033 5042) no Hoare annotation was computed. [2020-09-24 16:16:42,401 INFO L268 CegarLoopResult]: For program point L5037(lines 5035 5041) no Hoare annotation was computed. [2020-09-24 16:16:42,401 INFO L268 CegarLoopResult]: For program point ldv_module_put_and_exitENTRY(lines 5033 5042) no Hoare annotation was computed. [2020-09-24 16:16:42,401 INFO L268 CegarLoopResult]: For program point unregister_pppox_protoEXIT(lines 4747 4759) no Hoare annotation was computed. [2020-09-24 16:16:42,402 INFO L268 CegarLoopResult]: For program point unregister_pppox_protoENTRY(lines 4747 4759) no Hoare annotation was computed. [2020-09-24 16:16:42,402 INFO L268 CegarLoopResult]: For program point L4751(lines 4751 4754) no Hoare annotation was computed. [2020-09-24 16:16:42,402 INFO L268 CegarLoopResult]: For program point L4750(lines 4750 4756) no Hoare annotation was computed. [2020-09-24 16:16:42,402 INFO L268 CegarLoopResult]: For program point L4752(line 4752) no Hoare annotation was computed. [2020-09-24 16:16:42,402 INFO L268 CegarLoopResult]: For program point L4750-1(lines 4747 4759) no Hoare annotation was computed. [2020-09-24 16:16:42,402 INFO L268 CegarLoopResult]: For program point pppox_exitEXIT(lines 4909 4917) no Hoare annotation was computed. [2020-09-24 16:16:42,402 INFO L271 CegarLoopResult]: At program point pppox_exitENTRY(lines 4909 4917) the Hoare annotation is: true [2020-09-24 16:16:42,402 INFO L268 CegarLoopResult]: For program point pppox_exitFINAL(lines 4909 4917) no Hoare annotation was computed. [2020-09-24 16:16:42,403 INFO L268 CegarLoopResult]: For program point L4766(line 4766) no Hoare annotation was computed. [2020-09-24 16:16:42,403 INFO L268 CegarLoopResult]: For program point L4763(line 4763) no Hoare annotation was computed. [2020-09-24 16:16:42,403 INFO L268 CegarLoopResult]: For program point L4765-2(line 4765) no Hoare annotation was computed. [2020-09-24 16:16:42,403 INFO L268 CegarLoopResult]: For program point L4763-1(lines 4763 4770) no Hoare annotation was computed. [2020-09-24 16:16:42,403 INFO L268 CegarLoopResult]: For program point L4765(line 4765) no Hoare annotation was computed. [2020-09-24 16:16:42,403 INFO L268 CegarLoopResult]: For program point L4766-1(line 4766) no Hoare annotation was computed. [2020-09-24 16:16:42,403 INFO L268 CegarLoopResult]: For program point L4765-1(line 4765) no Hoare annotation was computed. [2020-09-24 16:16:42,403 INFO L268 CegarLoopResult]: For program point L4763-4(lines 4760 4773) no Hoare annotation was computed. [2020-09-24 16:16:42,404 INFO L268 CegarLoopResult]: For program point L4761(line 4761) no Hoare annotation was computed. [2020-09-24 16:16:42,404 INFO L268 CegarLoopResult]: For program point L4763-2(line 4763) no Hoare annotation was computed. [2020-09-24 16:16:42,404 INFO L268 CegarLoopResult]: For program point L4763-3(line 4763) no Hoare annotation was computed. [2020-09-24 16:16:42,404 INFO L268 CegarLoopResult]: For program point pppox_unbind_sockEXIT(lines 4760 4773) no Hoare annotation was computed. [2020-09-24 16:16:42,404 INFO L268 CegarLoopResult]: For program point pppox_unbind_sockENTRY(lines 4760 4773) no Hoare annotation was computed. [2020-09-24 16:16:42,404 INFO L268 CegarLoopResult]: For program point ldv_module_refcountFINAL(lines 5043 5048) no Hoare annotation was computed. [2020-09-24 16:16:42,404 INFO L268 CegarLoopResult]: For program point ldv_module_refcountENTRY(lines 5043 5048) no Hoare annotation was computed. [2020-09-24 16:16:42,404 INFO L268 CegarLoopResult]: For program point ldv_module_refcountEXIT(lines 5043 5048) no Hoare annotation was computed. [2020-09-24 16:16:42,404 INFO L268 CegarLoopResult]: For program point release_sockENTRY(lines 5103 5105) no Hoare annotation was computed. [2020-09-24 16:16:42,405 INFO L268 CegarLoopResult]: For program point release_sockEXIT(lines 5103 5105) no Hoare annotation was computed. [2020-09-24 16:16:42,405 INFO L268 CegarLoopResult]: For program point release_sockFINAL(lines 5103 5105) no Hoare annotation was computed. [2020-09-24 16:16:42,405 INFO L268 CegarLoopResult]: For program point L4735(lines 4735 4738) no Hoare annotation was computed. [2020-09-24 16:16:42,405 INFO L268 CegarLoopResult]: For program point L4739-2(line 4739) no Hoare annotation was computed. [2020-09-24 16:16:42,405 INFO L268 CegarLoopResult]: For program point L4736(line 4736) no Hoare annotation was computed. [2020-09-24 16:16:42,405 INFO L268 CegarLoopResult]: For program point L4739-3(line 4739) no Hoare annotation was computed. [2020-09-24 16:16:42,405 INFO L268 CegarLoopResult]: For program point L4733(line 4733) no Hoare annotation was computed. [2020-09-24 16:16:42,405 INFO L268 CegarLoopResult]: For program point L4732(lines 4732 4738) no Hoare annotation was computed. [2020-09-24 16:16:42,406 INFO L268 CegarLoopResult]: For program point L4729(lines 4729 4746) no Hoare annotation was computed. [2020-09-24 16:16:42,406 INFO L268 CegarLoopResult]: For program point register_pppox_protoFINAL(lines 4729 4746) no Hoare annotation was computed. [2020-09-24 16:16:42,406 INFO L268 CegarLoopResult]: For program point L4743(line 4743) no Hoare annotation was computed. [2020-09-24 16:16:42,406 INFO L268 CegarLoopResult]: For program point L4743-1(line 4743) no Hoare annotation was computed. [2020-09-24 16:16:42,406 INFO L268 CegarLoopResult]: For program point register_pppox_protoEXIT(lines 4729 4746) no Hoare annotation was computed. [2020-09-24 16:16:42,406 INFO L268 CegarLoopResult]: For program point register_pppox_protoENTRY(lines 4729 4746) no Hoare annotation was computed. [2020-09-24 16:16:42,406 INFO L268 CegarLoopResult]: For program point L4739(line 4739) no Hoare annotation was computed. [2020-09-24 16:16:42,406 INFO L268 CegarLoopResult]: For program point L4739-1(lines 4739 4742) no Hoare annotation was computed. [2020-09-24 16:16:42,406 INFO L268 CegarLoopResult]: For program point L4740(line 4740) no Hoare annotation was computed. [2020-09-24 16:16:42,407 INFO L268 CegarLoopResult]: For program point pppox_initFINAL(lines 4900 4908) no Hoare annotation was computed. [2020-09-24 16:16:42,407 INFO L268 CegarLoopResult]: For program point L4906(line 4906) no Hoare annotation was computed. [2020-09-24 16:16:42,407 INFO L268 CegarLoopResult]: For program point L4904-1(line 4904) no Hoare annotation was computed. [2020-09-24 16:16:42,407 INFO L268 CegarLoopResult]: For program point L4904-2(line 4904) no Hoare annotation was computed. [2020-09-24 16:16:42,407 INFO L271 CegarLoopResult]: At program point pppox_initENTRY(lines 4900 4908) the Hoare annotation is: true [2020-09-24 16:16:42,407 INFO L271 CegarLoopResult]: At program point L4904(line 4904) the Hoare annotation is: true [2020-09-24 16:16:42,407 INFO L268 CegarLoopResult]: For program point L4904-3(line 4904) no Hoare annotation was computed. [2020-09-24 16:16:42,407 INFO L268 CegarLoopResult]: For program point pppox_initEXIT(lines 4900 4908) no Hoare annotation was computed. [2020-09-24 16:16:42,407 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-24 16:16:42,408 INFO L268 CegarLoopResult]: For program point L4899-2(line 4899) no Hoare annotation was computed. [2020-09-24 16:16:42,408 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-24 16:16:42,408 INFO L268 CegarLoopResult]: For program point L4899-3(line 4899) no Hoare annotation was computed. [2020-09-24 16:16:42,408 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-24 16:16:42,408 INFO L268 CegarLoopResult]: For program point L4988(line 4988) no Hoare annotation was computed. [2020-09-24 16:16:42,408 INFO L268 CegarLoopResult]: For program point L4728-1(line 4728) no Hoare annotation was computed. [2020-09-24 16:16:42,408 INFO L268 CegarLoopResult]: For program point L4728-2(line 4728) no Hoare annotation was computed. [2020-09-24 16:16:42,408 INFO L268 CegarLoopResult]: For program point L4728(line 4728) no Hoare annotation was computed. [2020-09-24 16:16:42,409 INFO L268 CegarLoopResult]: For program point L4728-3(line 4728) no Hoare annotation was computed. [2020-09-24 16:16:42,409 INFO L268 CegarLoopResult]: For program point L4728-4(line 4728) no Hoare annotation was computed. [2020-09-24 16:16:42,409 INFO L268 CegarLoopResult]: For program point L4876-1(line 4876) no Hoare annotation was computed. [2020-09-24 16:16:42,409 INFO L268 CegarLoopResult]: For program point L4876(line 4876) no Hoare annotation was computed. [2020-09-24 16:16:42,409 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|)) [2020-09-24 16:16:42,409 INFO L268 CegarLoopResult]: For program point L4899(line 4899) no Hoare annotation was computed. [2020-09-24 16:16:42,409 INFO L268 CegarLoopResult]: For program point L4899-1(line 4899) no Hoare annotation was computed. [2020-09-24 16:16:42,410 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 16:16:42,410 INFO L271 CegarLoopResult]: At program point ldv_check_final_stateENTRY(lines 5049 5060) the Hoare annotation is: true [2020-09-24 16:16:42,410 INFO L264 CegarLoopResult]: At program point L5054(line 5054) the Hoare annotation is: (or (not (<= ~ldv_module_refcounter~0 1)) (not (<= 1 ~ldv_module_refcounter~0))) [2020-09-24 16:16:42,410 INFO L268 CegarLoopResult]: For program point L5052(lines 5049 5060) no Hoare annotation was computed. [2020-09-24 16:16:42,410 INFO L268 CegarLoopResult]: For program point ldv_check_final_stateEXIT(lines 5049 5060) no Hoare annotation was computed. [2020-09-24 16:16:42,410 INFO L268 CegarLoopResult]: For program point ppp_unregister_channelEXIT(lines 5100 5102) no Hoare annotation was computed. [2020-09-24 16:16:42,410 INFO L268 CegarLoopResult]: For program point ppp_unregister_channelENTRY(lines 5100 5102) no Hoare annotation was computed. [2020-09-24 16:16:42,410 INFO L268 CegarLoopResult]: For program point ppp_unregister_channelFINAL(lines 5100 5102) no Hoare annotation was computed. [2020-09-24 16:16:42,411 INFO L268 CegarLoopResult]: For program point ppp_channel_indexENTRY(lines 5097 5099) no Hoare annotation was computed. [2020-09-24 16:16:42,411 INFO L268 CegarLoopResult]: For program point L5098(line 5098) no Hoare annotation was computed. [2020-09-24 16:16:42,411 INFO L268 CegarLoopResult]: For program point ppp_channel_indexEXIT(lines 5097 5099) no Hoare annotation was computed. [2020-09-24 16:16:42,411 INFO L268 CegarLoopResult]: For program point ppp_channel_indexFINAL(lines 5097 5099) no Hoare annotation was computed. [2020-09-24 16:16:42,411 INFO L268 CegarLoopResult]: For program point L5098-1(line 5098) no Hoare annotation was computed. [2020-09-24 16:16:42,411 INFO L268 CegarLoopResult]: For program point L5098-2(line 5098) no Hoare annotation was computed. [2020-09-24 16:16:42,411 INFO L268 CegarLoopResult]: For program point ldv_try_module_get_1FINAL(lines 5061 5069) no Hoare annotation was computed. [2020-09-24 16:16:42,411 INFO L268 CegarLoopResult]: For program point L5067(line 5067) no Hoare annotation was computed. [2020-09-24 16:16:42,411 INFO L268 CegarLoopResult]: For program point ldv_try_module_get_1EXIT(lines 5061 5069) no Hoare annotation was computed. [2020-09-24 16:16:42,412 INFO L264 CegarLoopResult]: At program point ldv_try_module_get_1ENTRY(lines 5061 5069) the Hoare annotation is: (or (not (<= |old(~ldv_module_refcounter~0)| 1)) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (<= 1 |old(~ldv_module_refcounter~0)|))) [2020-09-24 16:16:42,412 INFO L268 CegarLoopResult]: For program point L5065-2(line 5065) no Hoare annotation was computed. [2020-09-24 16:16:42,412 INFO L268 CegarLoopResult]: For program point L5062(line 5062) no Hoare annotation was computed. [2020-09-24 16:16:42,412 INFO L268 CegarLoopResult]: For program point L5065-3(line 5065) no Hoare annotation was computed. [2020-09-24 16:16:42,412 INFO L264 CegarLoopResult]: At program point L5065(line 5065) the Hoare annotation is: (or (not (<= |old(~ldv_module_refcounter~0)| 1)) (not (<= 1 |old(~ldv_module_refcounter~0)|)) (and (= ldv_try_module_get_1_~module.base |ldv_try_module_get_1_#in~module.base|) (= |ldv_try_module_get_1_#in~module.offset| ldv_try_module_get_1_~module.offset) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|))) [2020-09-24 16:16:42,412 INFO L268 CegarLoopResult]: For program point L5065-1(line 5065) no Hoare annotation was computed. [2020-09-24 16:16:42,412 INFO L271 CegarLoopResult]: At program point sock_registerENTRY(lines 5107 5109) the Hoare annotation is: true [2020-09-24 16:16:42,412 INFO L268 CegarLoopResult]: For program point sock_registerEXIT(lines 5107 5109) no Hoare annotation was computed. [2020-09-24 16:16:42,412 INFO L268 CegarLoopResult]: For program point sock_registerFINAL(lines 5107 5109) no Hoare annotation was computed. [2020-09-24 16:16:42,413 INFO L268 CegarLoopResult]: For program point L5108-1(line 5108) no Hoare annotation was computed. [2020-09-24 16:16:42,413 INFO L268 CegarLoopResult]: For program point L5108-2(line 5108) no Hoare annotation was computed. [2020-09-24 16:16:42,413 INFO L268 CegarLoopResult]: For program point L5108(line 5108) no Hoare annotation was computed. [2020-09-24 16:16:42,413 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 16:16:42,413 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2020-09-24 16:16:42,413 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 16:16:42,413 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 16:16:42,413 INFO L264 CegarLoopResult]: At program point L5023(line 5023) the Hoare annotation is: (not (<= 2 |old(~ldv_module_refcounter~0)|)) [2020-09-24 16:16:42,413 INFO L268 CegarLoopResult]: For program point L5020-2(lines 5017 5032) no Hoare annotation was computed. [2020-09-24 16:16:42,414 INFO L268 CegarLoopResult]: For program point L5021(lines 5021 5026) no Hoare annotation was computed. [2020-09-24 16:16:42,414 INFO L268 CegarLoopResult]: For program point L5020(lines 5020 5029) no Hoare annotation was computed. [2020-09-24 16:16:42,414 INFO L268 CegarLoopResult]: For program point L5021-1(lines 5021 5026) no Hoare annotation was computed. [2020-09-24 16:16:42,414 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)|)) [2020-09-24 16:16:42,414 INFO L268 CegarLoopResult]: For program point ldv_module_putEXIT(lines 5017 5032) no Hoare annotation was computed. [2020-09-24 16:16:42,414 INFO L271 CegarLoopResult]: At program point ldv_blast_assertENTRY(lines 4981 4986) the Hoare annotation is: true [2020-09-24 16:16:42,414 INFO L268 CegarLoopResult]: For program point ldv_blast_assertEXIT(lines 4981 4986) no Hoare annotation was computed. [2020-09-24 16:16:42,414 INFO L268 CegarLoopResult]: For program point ldv_blast_assertFINAL(lines 4981 4986) no Hoare annotation was computed. [2020-09-24 16:16:42,415 INFO L268 CegarLoopResult]: For program point ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4984) no Hoare annotation was computed. [2020-09-24 16:16:42,415 INFO L268 CegarLoopResult]: For program point ldv_module_put_2FINAL(lines 5070 5078) no Hoare annotation was computed. [2020-09-24 16:16:42,415 INFO L268 CegarLoopResult]: For program point ldv_module_put_2EXIT(lines 5070 5078) no Hoare annotation was computed. [2020-09-24 16:16:42,415 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)|)) [2020-09-24 16:16:42,415 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)|))) [2020-09-24 16:16:42,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 04:16:42 BoogieIcfgContainer [2020-09-24 16:16:42,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 16:16:42,438 INFO L168 Benchmark]: Toolchain (without parser) took 16718.73 ms. Allocated memory was 138.4 MB in the beginning and 480.8 MB in the end (delta: 342.4 MB). Free memory was 95.3 MB in the beginning and 335.3 MB in the end (delta: -239.9 MB). Peak memory consumption was 302.3 MB. Max. memory is 7.1 GB. [2020-09-24 16:16:42,439 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-09-24 16:16:42,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1442.65 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 94.9 MB in the beginning and 126.7 MB in the end (delta: -31.7 MB). Peak memory consumption was 41.2 MB. Max. memory is 7.1 GB. [2020-09-24 16:16:42,441 INFO L168 Benchmark]: Boogie Preprocessor took 149.75 ms. Allocated memory is still 203.9 MB. Free memory was 126.7 MB in the beginning and 123.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-09-24 16:16:42,442 INFO L168 Benchmark]: RCFGBuilder took 991.70 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 123.4 MB in the beginning and 165.8 MB in the end (delta: -42.5 MB). Peak memory consumption was 53.6 MB. Max. memory is 7.1 GB. [2020-09-24 16:16:42,443 INFO L168 Benchmark]: TraceAbstraction took 14124.66 ms. Allocated memory was 235.4 MB in the beginning and 480.8 MB in the end (delta: 245.4 MB). Free memory was 164.0 MB in the beginning and 335.3 MB in the end (delta: -171.2 MB). Peak memory consumption was 274.0 MB. Max. memory is 7.1 GB. [2020-09-24 16:16:42,447 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1442.65 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 94.9 MB in the beginning and 126.7 MB in the end (delta: -31.7 MB). Peak memory consumption was 41.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 149.75 ms. Allocated memory is still 203.9 MB. Free memory was 126.7 MB in the beginning and 123.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 991.70 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 123.4 MB in the beginning and 165.8 MB in the end (delta: -42.5 MB). Peak memory consumption was 53.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14124.66 ms. Allocated memory was 235.4 MB in the beginning and 480.8 MB in the end (delta: 245.4 MB). Free memory was 164.0 MB in the beginning and 335.3 MB in the end (delta: -171.2 MB). Peak memory consumption was 274.0 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: (!(\old(ldv_module_refcounter) <= 1) || ldv_module_refcounter == \old(ldv_module_refcounter)) || !(1 <= \old(ldv_module_refcounter)) - InvariantResult [Line: 4930]: Loop Invariant Derived loop invariant: ldv_module_refcounter == \old(ldv_module_refcounter) || !(\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 == \old(ldv_module_refcounter) || !(\old(ldv_module_refcounter) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 319 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1014 SDtfs, 1473 SDslu, 2043 SDs, 0 SdLazy, 4160 SolverSat, 310 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 207 GetRequests, 122 SyntacticMatches, 3 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=287occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 155 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 151 PreInvPairs, 169 NumberOfFragments, 649 HoareAnnotationTreeSize, 151 FomulaSimplifications, 1931 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 35 FomulaSimplificationsInter, 2534 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 743 NumberOfCodeBlocks, 743 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 737 ConstructedInterpolants, 0 QuantifiedInterpolants, 549864 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 12/12 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...