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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 18:19:52,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 18:19:52,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 18:19:52,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 18:19:52,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 18:19:52,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 18:19:52,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 18:19:52,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 18:19:52,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 18:19:52,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 18:19:52,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 18:19:52,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 18:19:52,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 18:19:52,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 18:19:52,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 18:19:52,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 18:19:52,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 18:19:52,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 18:19:52,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 18:19:52,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 18:19:52,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 18:19:52,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 18:19:52,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 18:19:52,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 18:19:52,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 18:19:52,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 18:19:52,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 18:19:52,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 18:19:52,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 18:19:52,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 18:19:52,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 18:19:52,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 18:19:52,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 18:19:52,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 18:19:52,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 18:19:52,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 18:19:52,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 18:19:52,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 18:19:52,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 18:19:52,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 18:19:52,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 18:19:52,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 18:19:52,273 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 18:19:52,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 18:19:52,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 18:19:52,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 18:19:52,275 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 18:19:52,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 18:19:52,275 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 18:19:52,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 18:19:52,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 18:19:52,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 18:19:52,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 18:19:52,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 18:19:52,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 18:19:52,277 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 18:19:52,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 18:19:52,277 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 18:19:52,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 18:19:52,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 18:19:52,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 18:19:52,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 18:19:52,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 18:19:52,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 18:19:52,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 18:19:52,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 18:19:52,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 18:19:52,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 18:19:52,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 18:19:52,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 18:19:52,280 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 18:19:52,553 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 18:19:52,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 18:19:52,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 18:19:52,578 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 18:19:52,578 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 18:19:52,579 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-10-13 18:19:52,664 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26e66bc65/cd4c9b8ce02c491799f88022626e415a/FLAGbe221126f [2019-10-13 18:19:53,476 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 18:19:53,478 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-10-13 18:19:53,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26e66bc65/cd4c9b8ce02c491799f88022626e415a/FLAGbe221126f [2019-10-13 18:19:54,009 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26e66bc65/cd4c9b8ce02c491799f88022626e415a [2019-10-13 18:19:54,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 18:19:54,026 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 18:19:54,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 18:19:54,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 18:19:54,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 18:19:54,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:19:54" (1/1) ... [2019-10-13 18:19:54,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@649235d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:54, skipping insertion in model container [2019-10-13 18:19:54,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:19:54" (1/1) ... [2019-10-13 18:19:54,044 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 18:19:54,161 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 18:19:55,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:19:55,163 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 18:19:55,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:19:55,437 INFO L192 MainTranslator]: Completed translation [2019-10-13 18:19:55,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:55 WrapperNode [2019-10-13 18:19:55,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 18:19:55,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 18:19:55,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 18:19:55,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 18:19:55,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:55" (1/1) ... [2019-10-13 18:19:55,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:55" (1/1) ... [2019-10-13 18:19:55,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:55" (1/1) ... [2019-10-13 18:19:55,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:55" (1/1) ... [2019-10-13 18:19:55,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:55" (1/1) ... [2019-10-13 18:19:55,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:55" (1/1) ... [2019-10-13 18:19:55,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:55" (1/1) ... [2019-10-13 18:19:55,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 18:19:55,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 18:19:55,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 18:19:55,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 18:19:55,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-10-13 18:19:55,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 18:19:55,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 18:19:55,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-13 18:19:55,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 18:19:55,722 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2019-10-13 18:19:55,724 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2019-10-13 18:19:55,724 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2019-10-13 18:19:55,724 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2019-10-13 18:19:55,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2019-10-13 18:19:55,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2019-10-13 18:19:55,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2019-10-13 18:19:55,726 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2019-10-13 18:19:55,726 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2019-10-13 18:19:55,727 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 18:19:55,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-10-13 18:19:55,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-13 18:19:55,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-13 18:19:55,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-13 18:19:55,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-13 18:19:55,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-13 18:19:55,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 18:19:55,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2019-10-13 18:19:55,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2019-10-13 18:19:55,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-13 18:19:55,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 18:19:55,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2019-10-13 18:19:55,735 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2019-10-13 18:19:55,735 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-13 18:19:55,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-10-13 18:19:55,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-10-13 18:19:55,735 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2019-10-13 18:19:55,736 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2019-10-13 18:19:55,736 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2019-10-13 18:19:55,736 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 18:19:55,736 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 18:19:55,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 18:19:55,737 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-13 18:19:55,737 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-13 18:19:55,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2019-10-13 18:19:55,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2019-10-13 18:19:55,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-13 18:19:55,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-13 18:19:55,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-13 18:19:55,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-13 18:19:55,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-13 18:19:55,739 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2019-10-13 18:19:55,739 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2019-10-13 18:19:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-10-13 18:19:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-10-13 18:19:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2019-10-13 18:19:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2019-10-13 18:19:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2019-10-13 18:19:55,740 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2019-10-13 18:19:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2019-10-13 18:19:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2019-10-13 18:19:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2019-10-13 18:19:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2019-10-13 18:19:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 18:19:55,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 18:19:55,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 18:19:55,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 18:19:55,742 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-13 18:19:55,742 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2019-10-13 18:19:55,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 18:19:55,743 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 18:19:55,743 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2019-10-13 18:19:55,743 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2019-10-13 18:19:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 18:19:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 18:19:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 18:19:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 18:19:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-10-13 18:19:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2019-10-13 18:19:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 18:19:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 18:19:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 18:19:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 18:19:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 18:19:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 18:19:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 18:19:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 18:19:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 18:19:56,192 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 18:19:56,321 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-10-13 18:19:56,321 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-10-13 18:19:56,321 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-13 18:19:56,322 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-13 18:19:56,322 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-13 18:19:56,354 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2019-10-13 18:19:56,355 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2019-10-13 18:19:56,476 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-13 18:19:56,642 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 18:19:56,642 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 18:19:56,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:19:56 BoogieIcfgContainer [2019-10-13 18:19:56,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 18:19:56,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 18:19:56,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 18:19:56,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 18:19:56,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:19:54" (1/3) ... [2019-10-13 18:19:56,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc94166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:19:56, skipping insertion in model container [2019-10-13 18:19:56,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:19:55" (2/3) ... [2019-10-13 18:19:56,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc94166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:19:56, skipping insertion in model container [2019-10-13 18:19:56,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:19:56" (3/3) ... [2019-10-13 18:19:56,655 INFO L109 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-pppox.ko.cil.out.i [2019-10-13 18:19:56,665 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 18:19:56,674 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 18:19:56,686 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 18:19:56,714 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 18:19:56,714 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 18:19:56,715 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 18:19:56,715 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 18:19:56,715 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 18:19:56,715 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 18:19:56,715 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 18:19:56,715 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 18:19:56,742 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2019-10-13 18:19:56,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-13 18:19:56,749 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:19:56,750 INFO L380 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] [2019-10-13 18:19:56,752 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:19:56,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:19:56,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1181566854, now seen corresponding path program 1 times [2019-10-13 18:19:56,767 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:19:56,768 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122910021] [2019-10-13 18:19:56,769 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:19:56,770 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:19:56,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:19:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:57,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:19:57,247 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122910021] [2019-10-13 18:19:57,248 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:19:57,251 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 18:19:57,252 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974888914] [2019-10-13 18:19:57,257 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 18:19:57,258 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:19:57,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 18:19:57,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 18:19:57,282 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 4 states. [2019-10-13 18:19:58,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:19:58,149 INFO L93 Difference]: Finished difference Result 241 states and 297 transitions. [2019-10-13 18:19:58,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 18:19:58,151 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-10-13 18:19:58,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:19:58,165 INFO L225 Difference]: With dead ends: 241 [2019-10-13 18:19:58,165 INFO L226 Difference]: Without dead ends: 153 [2019-10-13 18:19:58,170 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 18:19:58,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-10-13 18:19:58,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 150. [2019-10-13 18:19:58,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-10-13 18:19:58,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2019-10-13 18:19:58,245 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 24 [2019-10-13 18:19:58,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:19:58,245 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2019-10-13 18:19:58,246 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 18:19:58,246 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2019-10-13 18:19:58,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 18:19:58,249 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:19:58,250 INFO L380 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] [2019-10-13 18:19:58,250 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:19:58,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:19:58,250 INFO L82 PathProgramCache]: Analyzing trace with hash -434919225, now seen corresponding path program 1 times [2019-10-13 18:19:58,251 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:19:58,251 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327078044] [2019-10-13 18:19:58,251 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:19:58,251 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:19:58,251 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:19:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:58,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:19:58,525 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327078044] [2019-10-13 18:19:58,525 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:19:58,525 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 18:19:58,525 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655913166] [2019-10-13 18:19:58,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 18:19:58,527 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:19:58,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 18:19:58,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-10-13 18:19:58,530 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 9 states. [2019-10-13 18:19:59,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:19:59,344 INFO L93 Difference]: Finished difference Result 269 states and 321 transitions. [2019-10-13 18:19:59,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 18:19:59,346 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2019-10-13 18:19:59,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:19:59,350 INFO L225 Difference]: With dead ends: 269 [2019-10-13 18:19:59,350 INFO L226 Difference]: Without dead ends: 139 [2019-10-13 18:19:59,354 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2019-10-13 18:19:59,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-10-13 18:19:59,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 126. [2019-10-13 18:19:59,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-10-13 18:19:59,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 146 transitions. [2019-10-13 18:19:59,402 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 146 transitions. Word has length 56 [2019-10-13 18:19:59,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:19:59,402 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 146 transitions. [2019-10-13 18:19:59,402 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 18:19:59,402 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 146 transitions. [2019-10-13 18:19:59,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-13 18:19:59,405 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:19:59,405 INFO L380 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] [2019-10-13 18:19:59,405 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:19:59,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:19:59,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1834921373, now seen corresponding path program 1 times [2019-10-13 18:19:59,406 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:19:59,406 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180393767] [2019-10-13 18:19:59,406 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:19:59,407 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:19:59,407 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:19:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:19:59,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:19:59,730 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180393767] [2019-10-13 18:19:59,730 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:19:59,730 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 18:19:59,730 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319978195] [2019-10-13 18:19:59,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 18:19:59,733 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:19:59,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 18:19:59,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-13 18:19:59,734 INFO L87 Difference]: Start difference. First operand 126 states and 146 transitions. Second operand 8 states. [2019-10-13 18:20:00,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:20:00,640 INFO L93 Difference]: Finished difference Result 210 states and 242 transitions. [2019-10-13 18:20:00,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 18:20:00,640 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 62 [2019-10-13 18:20:00,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:20:00,645 INFO L225 Difference]: With dead ends: 210 [2019-10-13 18:20:00,648 INFO L226 Difference]: Without dead ends: 207 [2019-10-13 18:20:00,649 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 18:20:00,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2019-10-13 18:20:00,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 190. [2019-10-13 18:20:00,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2019-10-13 18:20:00,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 224 transitions. [2019-10-13 18:20:00,705 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 224 transitions. Word has length 62 [2019-10-13 18:20:00,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:20:00,707 INFO L462 AbstractCegarLoop]: Abstraction has 190 states and 224 transitions. [2019-10-13 18:20:00,707 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 18:20:00,707 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 224 transitions. [2019-10-13 18:20:00,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-13 18:20:00,713 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:20:00,713 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:20:00,713 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:20:00,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:20:00,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1289390946, now seen corresponding path program 1 times [2019-10-13 18:20:00,714 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:20:00,714 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087623248] [2019-10-13 18:20:00,715 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:20:00,715 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:20:00,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:20:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:00,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:20:00,953 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087623248] [2019-10-13 18:20:00,953 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:20:00,953 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 18:20:00,954 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455704589] [2019-10-13 18:20:00,954 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 18:20:00,954 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:20:00,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 18:20:00,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-10-13 18:20:00,955 INFO L87 Difference]: Start difference. First operand 190 states and 224 transitions. Second operand 9 states. [2019-10-13 18:20:01,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:20:01,497 INFO L93 Difference]: Finished difference Result 330 states and 390 transitions. [2019-10-13 18:20:01,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 18:20:01,499 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2019-10-13 18:20:01,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:20:01,502 INFO L225 Difference]: With dead ends: 330 [2019-10-13 18:20:01,502 INFO L226 Difference]: Without dead ends: 193 [2019-10-13 18:20:01,504 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-10-13 18:20:01,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2019-10-13 18:20:01,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 190. [2019-10-13 18:20:01,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2019-10-13 18:20:01,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 222 transitions. [2019-10-13 18:20:01,547 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 222 transitions. Word has length 66 [2019-10-13 18:20:01,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:20:01,548 INFO L462 AbstractCegarLoop]: Abstraction has 190 states and 222 transitions. [2019-10-13 18:20:01,548 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 18:20:01,548 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 222 transitions. [2019-10-13 18:20:01,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-10-13 18:20:01,554 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:20:01,554 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:20:01,555 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:20:01,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:20:01,555 INFO L82 PathProgramCache]: Analyzing trace with hash -566743229, now seen corresponding path program 1 times [2019-10-13 18:20:01,559 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:20:01,559 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131336077] [2019-10-13 18:20:01,559 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:20:01,559 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:20:01,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:20:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:20:01,891 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131336077] [2019-10-13 18:20:01,891 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:20:01,891 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 18:20:01,892 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427834176] [2019-10-13 18:20:01,894 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 18:20:01,895 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:20:01,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 18:20:01,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 18:20:01,896 INFO L87 Difference]: Start difference. First operand 190 states and 222 transitions. Second operand 7 states. [2019-10-13 18:20:02,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:20:02,502 INFO L93 Difference]: Finished difference Result 378 states and 453 transitions. [2019-10-13 18:20:02,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 18:20:02,503 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 81 [2019-10-13 18:20:02,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:20:02,505 INFO L225 Difference]: With dead ends: 378 [2019-10-13 18:20:02,505 INFO L226 Difference]: Without dead ends: 208 [2019-10-13 18:20:02,507 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-10-13 18:20:02,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2019-10-13 18:20:02,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 196. [2019-10-13 18:20:02,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2019-10-13 18:20:02,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 228 transitions. [2019-10-13 18:20:02,526 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 228 transitions. Word has length 81 [2019-10-13 18:20:02,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:20:02,527 INFO L462 AbstractCegarLoop]: Abstraction has 196 states and 228 transitions. [2019-10-13 18:20:02,527 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 18:20:02,527 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 228 transitions. [2019-10-13 18:20:02,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-10-13 18:20:02,529 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:20:02,529 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:20:02,529 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:20:02,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:20:02,530 INFO L82 PathProgramCache]: Analyzing trace with hash -122842555, now seen corresponding path program 1 times [2019-10-13 18:20:02,530 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:20:02,530 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66892420] [2019-10-13 18:20:02,530 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:20:02,531 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:20:02,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:20:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:03,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:20:03,223 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66892420] [2019-10-13 18:20:03,223 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:20:03,224 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-10-13 18:20:03,224 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707258373] [2019-10-13 18:20:03,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-13 18:20:03,225 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:20:03,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-13 18:20:03,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=210, Unknown=0, NotChecked=0, Total=240 [2019-10-13 18:20:03,225 INFO L87 Difference]: Start difference. First operand 196 states and 228 transitions. Second operand 16 states. [2019-10-13 18:20:05,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:20:05,174 INFO L93 Difference]: Finished difference Result 317 states and 360 transitions. [2019-10-13 18:20:05,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-13 18:20:05,177 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 81 [2019-10-13 18:20:05,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:20:05,178 INFO L225 Difference]: With dead ends: 317 [2019-10-13 18:20:05,178 INFO L226 Difference]: Without dead ends: 168 [2019-10-13 18:20:05,179 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=120, Invalid=872, Unknown=0, NotChecked=0, Total=992 [2019-10-13 18:20:05,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2019-10-13 18:20:05,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 148. [2019-10-13 18:20:05,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-10-13 18:20:05,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 166 transitions. [2019-10-13 18:20:05,197 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 166 transitions. Word has length 81 [2019-10-13 18:20:05,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:20:05,197 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 166 transitions. [2019-10-13 18:20:05,198 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-13 18:20:05,198 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 166 transitions. [2019-10-13 18:20:05,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-13 18:20:05,199 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:20:05,199 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:20:05,199 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:20:05,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:20:05,200 INFO L82 PathProgramCache]: Analyzing trace with hash 2001053501, now seen corresponding path program 1 times [2019-10-13 18:20:05,200 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:20:05,200 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137279231] [2019-10-13 18:20:05,200 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:20:05,201 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:20:05,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:20:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:05,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 18:20:05,498 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137279231] [2019-10-13 18:20:05,498 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:20:05,498 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 18:20:05,498 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882029591] [2019-10-13 18:20:05,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 18:20:05,499 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:20:05,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 18:20:05,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-10-13 18:20:05,500 INFO L87 Difference]: Start difference. First operand 148 states and 166 transitions. Second operand 10 states. [2019-10-13 18:20:05,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:20:05,929 INFO L93 Difference]: Finished difference Result 150 states and 167 transitions. [2019-10-13 18:20:05,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 18:20:05,930 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2019-10-13 18:20:05,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:20:05,931 INFO L225 Difference]: With dead ends: 150 [2019-10-13 18:20:05,932 INFO L226 Difference]: Without dead ends: 138 [2019-10-13 18:20:05,932 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2019-10-13 18:20:05,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-10-13 18:20:05,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2019-10-13 18:20:05,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-10-13 18:20:05,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 155 transitions. [2019-10-13 18:20:05,943 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 155 transitions. Word has length 83 [2019-10-13 18:20:05,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:20:05,944 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 155 transitions. [2019-10-13 18:20:05,944 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 18:20:05,944 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 155 transitions. [2019-10-13 18:20:05,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-13 18:20:05,945 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:20:05,946 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:20:05,946 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:20:05,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:20:05,946 INFO L82 PathProgramCache]: Analyzing trace with hash -165996833, now seen corresponding path program 1 times [2019-10-13 18:20:05,947 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:20:05,947 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348695808] [2019-10-13 18:20:05,947 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:20:05,947 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:20:05,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:20:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:06,265 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-13 18:20:06,266 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348695808] [2019-10-13 18:20:06,266 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102066449] [2019-10-13 18:20:06,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 18:20:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:20:06,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 14 conjunts are in the unsatisfiable core [2019-10-13 18:20:06,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 18:20:06,609 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 18:20:06,610 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-13 18:20:06,610 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2019-10-13 18:20:06,611 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980798299] [2019-10-13 18:20:06,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 18:20:06,613 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:20:06,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 18:20:06,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-10-13 18:20:06,614 INFO L87 Difference]: Start difference. First operand 138 states and 155 transitions. Second operand 6 states. [2019-10-13 18:20:06,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:20:06,767 INFO L93 Difference]: Finished difference Result 138 states and 155 transitions. [2019-10-13 18:20:06,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 18:20:06,768 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2019-10-13 18:20:06,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:20:06,769 INFO L225 Difference]: With dead ends: 138 [2019-10-13 18:20:06,769 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 18:20:06,771 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-10-13 18:20:06,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 18:20:06,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 18:20:06,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 18:20:06,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 18:20:06,772 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2019-10-13 18:20:06,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:20:06,773 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 18:20:06,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 18:20:06,773 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 18:20:06,773 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 18:20:06,982 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 18:20:06,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 18:20:07,784 INFO L443 ceAbstractionStarter]: For program point L4992-2(lines 4989 4998) no Hoare annotation was computed. [2019-10-13 18:20:07,784 INFO L443 ceAbstractionStarter]: For program point L4992(lines 4992 4995) no Hoare annotation was computed. [2019-10-13 18:20:07,784 INFO L443 ceAbstractionStarter]: For program point ldv_module_getEXIT(lines 4989 4998) no Hoare annotation was computed. [2019-10-13 18:20:07,784 INFO L443 ceAbstractionStarter]: For program point ldv_module_getENTRY(lines 4989 4998) no Hoare annotation was computed. [2019-10-13 18:20:07,784 INFO L443 ceAbstractionStarter]: For program point kfreeEXIT(lines 5118 5120) no Hoare annotation was computed. [2019-10-13 18:20:07,785 INFO L443 ceAbstractionStarter]: For program point kfreeENTRY(lines 5118 5120) no Hoare annotation was computed. [2019-10-13 18:20:07,785 INFO L443 ceAbstractionStarter]: For program point kfreeFINAL(lines 5118 5120) no Hoare annotation was computed. [2019-10-13 18:20:07,785 INFO L443 ceAbstractionStarter]: For program point might_faultFINAL(lines 5093 5095) no Hoare annotation was computed. [2019-10-13 18:20:07,785 INFO L443 ceAbstractionStarter]: For program point might_faultEXIT(lines 5093 5095) no Hoare annotation was computed. [2019-10-13 18:20:07,785 INFO L443 ceAbstractionStarter]: For program point lock_sockENTRY(lines 4708 4716) no Hoare annotation was computed. [2019-10-13 18:20:07,785 INFO L443 ceAbstractionStarter]: For program point lock_sockFINAL(lines 4708 4716) no Hoare annotation was computed. [2019-10-13 18:20:07,785 INFO L443 ceAbstractionStarter]: For program point L4712(line 4712) no Hoare annotation was computed. [2019-10-13 18:20:07,786 INFO L443 ceAbstractionStarter]: For program point lock_sockEXIT(lines 4708 4716) no Hoare annotation was computed. [2019-10-13 18:20:07,786 INFO L443 ceAbstractionStarter]: For program point L4788-1(lines 4783 4859) no Hoare annotation was computed. [2019-10-13 18:20:07,786 INFO L443 ceAbstractionStarter]: For program point L4788(line 4788) no Hoare annotation was computed. [2019-10-13 18:20:07,786 INFO L443 ceAbstractionStarter]: For program point L4797(lines 4797 4800) no Hoare annotation was computed. [2019-10-13 18:20:07,786 INFO L443 ceAbstractionStarter]: For program point L4793(lines 4792 4853) no Hoare annotation was computed. [2019-10-13 18:20:07,786 INFO L443 ceAbstractionStarter]: For program point pppox_ioctlFINAL(lines 4774 4860) no Hoare annotation was computed. [2019-10-13 18:20:07,787 INFO L443 ceAbstractionStarter]: For program point L4794(lines 4794 4852) no Hoare annotation was computed. [2019-10-13 18:20:07,787 INFO L443 ceAbstractionStarter]: For program point L4856(line 4856) no Hoare annotation was computed. [2019-10-13 18:20:07,787 INFO L443 ceAbstractionStarter]: For program point L4786(line 4786) no Hoare annotation was computed. [2019-10-13 18:20:07,787 INFO L443 ceAbstractionStarter]: For program point L4786-1(line 4786) no Hoare annotation was computed. [2019-10-13 18:20:07,787 INFO L443 ceAbstractionStarter]: For program point L4807(lines 4807 4831) no Hoare annotation was computed. [2019-10-13 18:20:07,787 INFO L443 ceAbstractionStarter]: For program point pppox_ioctlEXIT(lines 4774 4860) no Hoare annotation was computed. [2019-10-13 18:20:07,788 INFO L443 ceAbstractionStarter]: For program point L4803(line 4803) no Hoare annotation was computed. [2019-10-13 18:20:07,788 INFO L443 ceAbstractionStarter]: For program point L4803-1(line 4803) no Hoare annotation was computed. [2019-10-13 18:20:07,788 INFO L443 ceAbstractionStarter]: For program point pppox_ioctlENTRY(lines 4774 4860) no Hoare annotation was computed. [2019-10-13 18:20:07,788 INFO L443 ceAbstractionStarter]: For program point L4832(lines 4794 4851) no Hoare annotation was computed. [2019-10-13 18:20:07,788 INFO L443 ceAbstractionStarter]: For program point L4791(lines 4790 4853) no Hoare annotation was computed. [2019-10-13 18:20:07,788 INFO L443 ceAbstractionStarter]: For program point L4845(line 4845) no Hoare annotation was computed. [2019-10-13 18:20:07,788 INFO L443 ceAbstractionStarter]: For program point L4845-1(line 4845) no Hoare annotation was computed. [2019-10-13 18:20:07,789 INFO L443 ceAbstractionStarter]: For program point L4841(lines 4841 4850) no Hoare annotation was computed. [2019-10-13 18:20:07,789 INFO L443 ceAbstractionStarter]: For program point L4804-1(line 4804) no Hoare annotation was computed. [2019-10-13 18:20:07,789 INFO L443 ceAbstractionStarter]: For program point L4804(line 4804) no Hoare annotation was computed. [2019-10-13 18:20:07,789 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 4922 4980) no Hoare annotation was computed. [2019-10-13 18:20:07,789 INFO L443 ceAbstractionStarter]: For program point L4945(lines 4945 4959) no Hoare annotation was computed. [2019-10-13 18:20:07,789 INFO L443 ceAbstractionStarter]: For program point L4976(line 4976) no Hoare annotation was computed. [2019-10-13 18:20:07,789 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 4922 4980) no Hoare annotation was computed. [2019-10-13 18:20:07,790 INFO L439 ceAbstractionStarter]: At program point L4972(lines 4930 4979) the Hoare annotation is: (or (= 1 ~ldv_module_refcounter~0) (not (= 1 |old(~ldv_module_refcounter~0)|))) [2019-10-13 18:20:07,790 INFO L439 ceAbstractionStarter]: At program point L4966(lines 4930 4979) the Hoare annotation is: (or (not (= 1 |old(~ldv_module_refcounter~0)|)) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)) [2019-10-13 18:20:07,790 INFO L439 ceAbstractionStarter]: At program point L4968(lines 4930 4979) the Hoare annotation is: (or (= 1 ~ldv_module_refcounter~0) (not (= 1 |old(~ldv_module_refcounter~0)|))) [2019-10-13 18:20:07,791 INFO L439 ceAbstractionStarter]: At program point L4933(line 4933) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (= 1 |old(~ldv_module_refcounter~0)|))) [2019-10-13 18:20:07,791 INFO L439 ceAbstractionStarter]: At program point L4933-1(line 4933) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (= 1 |old(~ldv_module_refcounter~0)|))) [2019-10-13 18:20:07,791 INFO L439 ceAbstractionStarter]: At program point L4960(lines 4930 4979) the Hoare annotation is: (or (not (= 1 |old(~ldv_module_refcounter~0)|)) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)) [2019-10-13 18:20:07,791 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 4922 4980) the Hoare annotation is: (or (and (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (= ~LDV_IN_INTERRUPT~0 |old(~LDV_IN_INTERRUPT~0)|)) (not (= 1 |old(~ldv_module_refcounter~0)|))) [2019-10-13 18:20:07,791 INFO L443 ceAbstractionStarter]: For program point L4952(line 4952) no Hoare annotation was computed. [2019-10-13 18:20:07,791 INFO L439 ceAbstractionStarter]: At program point L4946(lines 4945 4959) the Hoare annotation is: (or (not (= 1 |old(~ldv_module_refcounter~0)|)) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)) [2019-10-13 18:20:07,792 INFO L443 ceAbstractionStarter]: For program point L4934(line 4934) no Hoare annotation was computed. [2019-10-13 18:20:07,792 INFO L443 ceAbstractionStarter]: For program point L4936(lines 4936 4939) no Hoare annotation was computed. [2019-10-13 18:20:07,792 INFO L443 ceAbstractionStarter]: For program point L4965(lines 4965 4969) no Hoare annotation was computed. [2019-10-13 18:20:07,792 INFO L443 ceAbstractionStarter]: For program point L5006(lines 5006 5011) no Hoare annotation was computed. [2019-10-13 18:20:07,792 INFO L439 ceAbstractionStarter]: At program point ldv_try_module_getENTRY(lines 4999 5016) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (= 1 |old(~ldv_module_refcounter~0)|))) [2019-10-13 18:20:07,792 INFO L443 ceAbstractionStarter]: For program point L5004-1(line 5004) no Hoare annotation was computed. [2019-10-13 18:20:07,793 INFO L443 ceAbstractionStarter]: For program point L5002(lines 5002 5013) no Hoare annotation was computed. [2019-10-13 18:20:07,793 INFO L439 ceAbstractionStarter]: At program point L5004(line 5004) the Hoare annotation is: (or (and (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (= ldv_try_module_get_~module.base |ldv_try_module_get_#in~module.base|) (<= (+ |ldv_try_module_get_#in~module.base| |ldv_try_module_get_#in~module.offset|) (+ (* 4294967296 (div (+ |ldv_try_module_get_#in~module.base| |ldv_try_module_get_#in~module.offset| (- 1)) 4294967296)) 4294967295)) (= ldv_try_module_get_~module.offset |ldv_try_module_get_#in~module.offset|)) (not (= 1 |old(~ldv_module_refcounter~0)|))) [2019-10-13 18:20:07,793 INFO L443 ceAbstractionStarter]: For program point ldv_try_module_getFINAL(lines 4999 5016) no Hoare annotation was computed. [2019-10-13 18:20:07,793 INFO L443 ceAbstractionStarter]: For program point ldv_try_module_getEXIT(lines 4999 5016) no Hoare annotation was computed. [2019-10-13 18:20:07,793 INFO L443 ceAbstractionStarter]: For program point lock_sock_nestedFINAL(lines 5090 5092) no Hoare annotation was computed. [2019-10-13 18:20:07,793 INFO L443 ceAbstractionStarter]: For program point lock_sock_nestedENTRY(lines 5090 5092) no Hoare annotation was computed. [2019-10-13 18:20:07,794 INFO L443 ceAbstractionStarter]: For program point lock_sock_nestedEXIT(lines 5090 5092) no Hoare annotation was computed. [2019-10-13 18:20:07,794 INFO L443 ceAbstractionStarter]: For program point ##fun~$Pointer$~X~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 18:20:07,794 INFO L443 ceAbstractionStarter]: For program point ##fun~$Pointer$~X~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 18:20:07,794 INFO L443 ceAbstractionStarter]: For program point ##fun~$Pointer$~X~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 18:20:07,794 INFO L446 ceAbstractionStarter]: At program point sock_unregisterENTRY(lines 5110 5112) the Hoare annotation is: true [2019-10-13 18:20:07,794 INFO L443 ceAbstractionStarter]: For program point sock_unregisterEXIT(lines 5110 5112) no Hoare annotation was computed. [2019-10-13 18:20:07,795 INFO L443 ceAbstractionStarter]: For program point sock_unregisterFINAL(lines 5110 5112) no Hoare annotation was computed. [2019-10-13 18:20:07,795 INFO L443 ceAbstractionStarter]: For program point pppox_skEXIT(lines 4718 4723) no Hoare annotation was computed. [2019-10-13 18:20:07,795 INFO L443 ceAbstractionStarter]: For program point pppox_skENTRY(lines 4718 4723) no Hoare annotation was computed. [2019-10-13 18:20:07,795 INFO L443 ceAbstractionStarter]: For program point pppox_skFINAL(lines 4718 4723) no Hoare annotation was computed. [2019-10-13 18:20:07,795 INFO L446 ceAbstractionStarter]: At program point ldv_undefined_intENTRY(lines 5087 5089) the Hoare annotation is: true [2019-10-13 18:20:07,795 INFO L443 ceAbstractionStarter]: For program point ldv_undefined_intEXIT(lines 5087 5089) no Hoare annotation was computed. [2019-10-13 18:20:07,795 INFO L443 ceAbstractionStarter]: For program point ldv_undefined_intFINAL(lines 5087 5089) no Hoare annotation was computed. [2019-10-13 18:20:07,795 INFO L443 ceAbstractionStarter]: For program point __request_moduleEXIT(lines 5080 5082) no Hoare annotation was computed. [2019-10-13 18:20:07,796 INFO L443 ceAbstractionStarter]: For program point __request_moduleENTRY(lines 5080 5082) no Hoare annotation was computed. [2019-10-13 18:20:07,796 INFO L443 ceAbstractionStarter]: For program point __request_moduleFINAL(lines 5080 5082) no Hoare annotation was computed. [2019-10-13 18:20:07,796 INFO L439 ceAbstractionStarter]: At program point L4895(lines 4864 4897) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (= 1 |old(~ldv_module_refcounter~0)|))) [2019-10-13 18:20:07,796 INFO L439 ceAbstractionStarter]: At program point L4893(line 4893) the Hoare annotation is: (or (and (<= ~ldv_module_refcounter~0 (+ |old(~ldv_module_refcounter~0)| 1)) (<= 2 ~ldv_module_refcounter~0) (let ((.cse4 (+ (* pppox_create_~protocol 4) |~#pppox_protos~0.offset|))) (let ((.cse2 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse4)) (.cse3 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse4) 8))) (let ((.cse0 (select (select |#memory_$Pointer$.offset| .cse2) .cse3)) (.cse1 (select (select |#memory_$Pointer$.base| .cse2) .cse3))) (<= (+ .cse0 .cse1) (+ (* 4294967296 (div (+ .cse0 .cse1 (- 1)) 4294967296)) 4294967295))))) (<= (+ |pppox_create_#t~mem45.base| |pppox_create_#t~mem45.offset|) (+ (* 4294967296 (div (+ |pppox_create_#t~mem45.base| |pppox_create_#t~mem45.offset| (- 1)) 4294967296)) 4294967295)) (<= 1 pppox_create_~tmp~2)) (not (= 1 |old(~ldv_module_refcounter~0)|))) [2019-10-13 18:20:07,796 INFO L443 ceAbstractionStarter]: For program point L4893-1(line 4893) no Hoare annotation was computed. [2019-10-13 18:20:07,797 INFO L443 ceAbstractionStarter]: For program point pppox_createFINAL(lines 4861 4898) no Hoare annotation was computed. [2019-10-13 18:20:07,797 INFO L443 ceAbstractionStarter]: For program point L4869(lines 4869 4872) no Hoare annotation was computed. [2019-10-13 18:20:07,797 INFO L443 ceAbstractionStarter]: For program point L4892-1(line 4892) no Hoare annotation was computed. [2019-10-13 18:20:07,797 INFO L439 ceAbstractionStarter]: At program point pppox_createENTRY(lines 4861 4898) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (= 1 |old(~ldv_module_refcounter~0)|))) [2019-10-13 18:20:07,797 INFO L439 ceAbstractionStarter]: At program point L4892(line 4892) the Hoare annotation is: (or (and (<= ~ldv_module_refcounter~0 (+ |old(~ldv_module_refcounter~0)| 1)) (<= 2 ~ldv_module_refcounter~0) (let ((.cse4 (+ (* pppox_create_~protocol 4) |~#pppox_protos~0.offset|))) (let ((.cse2 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse4)) (.cse3 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse4) 8))) (let ((.cse0 (select (select |#memory_$Pointer$.offset| .cse2) .cse3)) (.cse1 (select (select |#memory_$Pointer$.base| .cse2) .cse3))) (<= (+ .cse0 .cse1) (+ (* 4294967296 (div (+ .cse0 .cse1 (- 1)) 4294967296)) 4294967295))))) (<= 1 pppox_create_~tmp~2)) (not (= 1 |old(~ldv_module_refcounter~0)|))) [2019-10-13 18:20:07,798 INFO L443 ceAbstractionStarter]: For program point L4886(lines 4886 4889) no Hoare annotation was computed. [2019-10-13 18:20:07,798 INFO L443 ceAbstractionStarter]: For program point L4884-1(line 4884) no Hoare annotation was computed. [2019-10-13 18:20:07,798 INFO L439 ceAbstractionStarter]: At program point L4884(line 4884) the Hoare annotation is: (or (not (= 1 |old(~ldv_module_refcounter~0)|)) (let ((.cse2 (+ (* pppox_create_~protocol 4) |~#pppox_protos~0.offset|))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse2)) (.cse1 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse2) 8))) (and (= (select (select |#memory_$Pointer$.offset| .cse0) .cse1) |pppox_create_#t~mem35.offset|) (= |pppox_create_#t~mem35.base| (select (select |#memory_$Pointer$.base| .cse0) .cse1)) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|))))) [2019-10-13 18:20:07,798 INFO L443 ceAbstractionStarter]: For program point L4880(lines 4880 4890) no Hoare annotation was computed. [2019-10-13 18:20:07,798 INFO L443 ceAbstractionStarter]: For program point L4874(lines 4874 4879) no Hoare annotation was computed. [2019-10-13 18:20:07,798 INFO L443 ceAbstractionStarter]: For program point pppox_createEXIT(lines 4861 4898) no Hoare annotation was computed. [2019-10-13 18:20:07,799 INFO L443 ceAbstractionStarter]: For program point L4874-2(lines 4874 4879) no Hoare annotation was computed. [2019-10-13 18:20:07,799 INFO L443 ceAbstractionStarter]: For program point L4866(lines 4866 4872) no Hoare annotation was computed. [2019-10-13 18:20:07,799 INFO L446 ceAbstractionStarter]: At program point ldv_initializeFINAL(lines 5083 5085) the Hoare annotation is: true [2019-10-13 18:20:07,799 INFO L443 ceAbstractionStarter]: For program point ldv_initializeEXIT(lines 5083 5085) no Hoare annotation was computed. [2019-10-13 18:20:07,799 INFO L443 ceAbstractionStarter]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 18:20:07,799 INFO L446 ceAbstractionStarter]: At program point ##fun~$Pointer$~X~$Pointer$~TO~intENTRY(line -1) the Hoare annotation is: true [2019-10-13 18:20:07,799 INFO L443 ceAbstractionStarter]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 18:20:07,800 INFO L443 ceAbstractionStarter]: For program point external_allocFINAL(lines 5114 5116) no Hoare annotation was computed. [2019-10-13 18:20:07,800 INFO L443 ceAbstractionStarter]: For program point external_allocEXIT(lines 5114 5116) no Hoare annotation was computed. [2019-10-13 18:20:07,800 INFO L443 ceAbstractionStarter]: For program point external_allocENTRY(lines 5114 5116) no Hoare annotation was computed. [2019-10-13 18:20:07,800 INFO L443 ceAbstractionStarter]: For program point ldv_module_put_and_exitEXIT(lines 5033 5042) no Hoare annotation was computed. [2019-10-13 18:20:07,800 INFO L443 ceAbstractionStarter]: For program point L5037(lines 5035 5041) no Hoare annotation was computed. [2019-10-13 18:20:07,800 INFO L443 ceAbstractionStarter]: For program point ldv_module_put_and_exitENTRY(lines 5033 5042) no Hoare annotation was computed. [2019-10-13 18:20:07,800 INFO L443 ceAbstractionStarter]: For program point unregister_pppox_protoEXIT(lines 4747 4759) no Hoare annotation was computed. [2019-10-13 18:20:07,801 INFO L443 ceAbstractionStarter]: For program point unregister_pppox_protoENTRY(lines 4747 4759) no Hoare annotation was computed. [2019-10-13 18:20:07,801 INFO L443 ceAbstractionStarter]: For program point L4751(lines 4751 4754) no Hoare annotation was computed. [2019-10-13 18:20:07,801 INFO L443 ceAbstractionStarter]: For program point L4750(lines 4750 4756) no Hoare annotation was computed. [2019-10-13 18:20:07,801 INFO L443 ceAbstractionStarter]: For program point L4750-1(lines 4747 4759) no Hoare annotation was computed. [2019-10-13 18:20:07,801 INFO L443 ceAbstractionStarter]: For program point pppox_exitEXIT(lines 4909 4917) no Hoare annotation was computed. [2019-10-13 18:20:07,801 INFO L446 ceAbstractionStarter]: At program point pppox_exitENTRY(lines 4909 4917) the Hoare annotation is: true [2019-10-13 18:20:07,801 INFO L443 ceAbstractionStarter]: For program point pppox_exitFINAL(lines 4909 4917) no Hoare annotation was computed. [2019-10-13 18:20:07,802 INFO L443 ceAbstractionStarter]: For program point pppox_unbind_sockEXIT(lines 4760 4773) no Hoare annotation was computed. [2019-10-13 18:20:07,802 INFO L443 ceAbstractionStarter]: For program point L4766(line 4766) no Hoare annotation was computed. [2019-10-13 18:20:07,802 INFO L443 ceAbstractionStarter]: For program point pppox_unbind_sockENTRY(lines 4760 4773) no Hoare annotation was computed. [2019-10-13 18:20:07,802 INFO L443 ceAbstractionStarter]: For program point L4763(lines 4763 4770) no Hoare annotation was computed. [2019-10-13 18:20:07,802 INFO L443 ceAbstractionStarter]: For program point L4765(line 4765) no Hoare annotation was computed. [2019-10-13 18:20:07,827 INFO L443 ceAbstractionStarter]: For program point L4766-1(line 4766) no Hoare annotation was computed. [2019-10-13 18:20:07,828 INFO L443 ceAbstractionStarter]: For program point L4765-1(line 4765) no Hoare annotation was computed. [2019-10-13 18:20:07,828 INFO L443 ceAbstractionStarter]: For program point L4763-2(lines 4760 4773) no Hoare annotation was computed. [2019-10-13 18:20:07,829 INFO L443 ceAbstractionStarter]: For program point ldv_module_refcountFINAL(lines 5043 5048) no Hoare annotation was computed. [2019-10-13 18:20:07,829 INFO L443 ceAbstractionStarter]: For program point ldv_module_refcountENTRY(lines 5043 5048) no Hoare annotation was computed. [2019-10-13 18:20:07,829 INFO L443 ceAbstractionStarter]: For program point ldv_module_refcountEXIT(lines 5043 5048) no Hoare annotation was computed. [2019-10-13 18:20:07,829 INFO L443 ceAbstractionStarter]: For program point release_sockENTRY(lines 5103 5105) no Hoare annotation was computed. [2019-10-13 18:20:07,829 INFO L443 ceAbstractionStarter]: For program point release_sockEXIT(lines 5103 5105) no Hoare annotation was computed. [2019-10-13 18:20:07,829 INFO L443 ceAbstractionStarter]: For program point release_sockFINAL(lines 5103 5105) no Hoare annotation was computed. [2019-10-13 18:20:07,829 INFO L443 ceAbstractionStarter]: For program point L4735(lines 4735 4738) no Hoare annotation was computed. [2019-10-13 18:20:07,830 INFO L443 ceAbstractionStarter]: For program point L4732(lines 4732 4738) no Hoare annotation was computed. [2019-10-13 18:20:07,830 INFO L443 ceAbstractionStarter]: For program point register_pppox_protoEXIT(lines 4729 4746) no Hoare annotation was computed. [2019-10-13 18:20:07,830 INFO L443 ceAbstractionStarter]: For program point register_pppox_protoENTRY(lines 4729 4746) no Hoare annotation was computed. [2019-10-13 18:20:07,830 INFO L443 ceAbstractionStarter]: For program point L4739(lines 4739 4742) no Hoare annotation was computed. [2019-10-13 18:20:07,830 INFO L443 ceAbstractionStarter]: For program point register_pppox_protoFINAL(lines 4729 4746) no Hoare annotation was computed. [2019-10-13 18:20:07,830 INFO L443 ceAbstractionStarter]: For program point pppox_initFINAL(lines 4900 4908) no Hoare annotation was computed. [2019-10-13 18:20:07,830 INFO L443 ceAbstractionStarter]: For program point L4904-1(line 4904) no Hoare annotation was computed. [2019-10-13 18:20:07,830 INFO L446 ceAbstractionStarter]: At program point pppox_initENTRY(lines 4900 4908) the Hoare annotation is: true [2019-10-13 18:20:07,831 INFO L446 ceAbstractionStarter]: At program point L4904(line 4904) the Hoare annotation is: true [2019-10-13 18:20:07,831 INFO L443 ceAbstractionStarter]: For program point pppox_initEXIT(lines 4900 4908) no Hoare annotation was computed. [2019-10-13 18:20:07,831 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 18:20:07,831 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |~#pppox_protos~0.offset| |old(~#pppox_protos~0.offset)|) (= ~LDV_IN_INTERRUPT~0 |old(~LDV_IN_INTERRUPT~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |~#pppox_protos~0.base| |old(~#pppox_protos~0.base)|) (= |~#pppox_proto_family~0.offset| |old(~#pppox_proto_family~0.offset)|) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |old(#length)| |#length|) (= |~#pppox_proto_family~0.base| |old(~#pppox_proto_family~0.base)|)) [2019-10-13 18:20:07,831 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 18:20:07,831 INFO L446 ceAbstractionStarter]: At program point ldv_check_final_stateENTRY(lines 5049 5060) the Hoare annotation is: true [2019-10-13 18:20:07,832 INFO L439 ceAbstractionStarter]: At program point L5054(line 5054) the Hoare annotation is: (not (= 1 ~ldv_module_refcounter~0)) [2019-10-13 18:20:07,832 INFO L443 ceAbstractionStarter]: For program point L5052(lines 5049 5060) no Hoare annotation was computed. [2019-10-13 18:20:07,832 INFO L443 ceAbstractionStarter]: For program point ldv_check_final_stateEXIT(lines 5049 5060) no Hoare annotation was computed. [2019-10-13 18:20:07,832 INFO L443 ceAbstractionStarter]: For program point ppp_unregister_channelEXIT(lines 5100 5102) no Hoare annotation was computed. [2019-10-13 18:20:07,832 INFO L443 ceAbstractionStarter]: For program point ppp_unregister_channelENTRY(lines 5100 5102) no Hoare annotation was computed. [2019-10-13 18:20:07,832 INFO L443 ceAbstractionStarter]: For program point ppp_unregister_channelFINAL(lines 5100 5102) no Hoare annotation was computed. [2019-10-13 18:20:07,832 INFO L443 ceAbstractionStarter]: For program point ppp_channel_indexENTRY(lines 5097 5099) no Hoare annotation was computed. [2019-10-13 18:20:07,832 INFO L443 ceAbstractionStarter]: For program point ppp_channel_indexEXIT(lines 5097 5099) no Hoare annotation was computed. [2019-10-13 18:20:07,833 INFO L443 ceAbstractionStarter]: For program point ppp_channel_indexFINAL(lines 5097 5099) no Hoare annotation was computed. [2019-10-13 18:20:07,833 INFO L443 ceAbstractionStarter]: For program point ldv_try_module_get_1FINAL(lines 5061 5069) no Hoare annotation was computed. [2019-10-13 18:20:07,833 INFO L443 ceAbstractionStarter]: For program point ldv_try_module_get_1EXIT(lines 5061 5069) no Hoare annotation was computed. [2019-10-13 18:20:07,833 INFO L439 ceAbstractionStarter]: At program point ldv_try_module_get_1ENTRY(lines 5061 5069) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (= 1 |old(~ldv_module_refcounter~0)|))) [2019-10-13 18:20:07,833 INFO L439 ceAbstractionStarter]: At program point L5065(line 5065) the Hoare annotation is: (or (not (= 1 |old(~ldv_module_refcounter~0)|)) (and (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (= |ldv_try_module_get_1_#in~module.offset| ldv_try_module_get_1_~module.offset) (= ldv_try_module_get_1_~module.base |ldv_try_module_get_1_#in~module.base|))) [2019-10-13 18:20:07,833 INFO L443 ceAbstractionStarter]: For program point L5065-1(line 5065) no Hoare annotation was computed. [2019-10-13 18:20:07,833 INFO L446 ceAbstractionStarter]: At program point sock_registerENTRY(lines 5107 5109) the Hoare annotation is: true [2019-10-13 18:20:07,834 INFO L443 ceAbstractionStarter]: For program point sock_registerEXIT(lines 5107 5109) no Hoare annotation was computed. [2019-10-13 18:20:07,834 INFO L443 ceAbstractionStarter]: For program point sock_registerFINAL(lines 5107 5109) no Hoare annotation was computed. [2019-10-13 18:20:07,834 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 18:20:07,834 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= 1 ~ldv_module_refcounter~0) [2019-10-13 18:20:07,834 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 18:20:07,834 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 18:20:07,834 INFO L439 ceAbstractionStarter]: At program point L5023(line 5023) the Hoare annotation is: (not (<= 2 |old(~ldv_module_refcounter~0)|)) [2019-10-13 18:20:07,834 INFO L443 ceAbstractionStarter]: For program point L5020-2(lines 5017 5032) no Hoare annotation was computed. [2019-10-13 18:20:07,834 INFO L443 ceAbstractionStarter]: For program point L5021(lines 5021 5026) no Hoare annotation was computed. [2019-10-13 18:20:07,836 INFO L443 ceAbstractionStarter]: For program point L5020(lines 5020 5029) no Hoare annotation was computed. [2019-10-13 18:20:07,836 INFO L443 ceAbstractionStarter]: For program point L5021-1(lines 5021 5026) no Hoare annotation was computed. [2019-10-13 18:20:07,836 INFO L439 ceAbstractionStarter]: At program point ldv_module_putENTRY(lines 5017 5032) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (<= 2 |old(~ldv_module_refcounter~0)|))) [2019-10-13 18:20:07,837 INFO L443 ceAbstractionStarter]: For program point ldv_module_putEXIT(lines 5017 5032) no Hoare annotation was computed. [2019-10-13 18:20:07,837 INFO L446 ceAbstractionStarter]: At program point ldv_blast_assertENTRY(lines 4981 4986) the Hoare annotation is: true [2019-10-13 18:20:07,837 INFO L443 ceAbstractionStarter]: For program point ldv_blast_assertEXIT(lines 4981 4986) no Hoare annotation was computed. [2019-10-13 18:20:07,837 INFO L443 ceAbstractionStarter]: For program point ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4984) no Hoare annotation was computed. [2019-10-13 18:20:07,837 INFO L443 ceAbstractionStarter]: For program point ldv_blast_assertFINAL(lines 4981 4986) no Hoare annotation was computed. [2019-10-13 18:20:07,837 INFO L443 ceAbstractionStarter]: For program point ldv_module_put_2FINAL(lines 5070 5078) no Hoare annotation was computed. [2019-10-13 18:20:07,837 INFO L443 ceAbstractionStarter]: For program point ldv_module_put_2EXIT(lines 5070 5078) no Hoare annotation was computed. [2019-10-13 18:20:07,837 INFO L439 ceAbstractionStarter]: At program point ldv_module_put_2ENTRY(lines 5070 5078) the Hoare annotation is: (or (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (not (<= 2 |old(~ldv_module_refcounter~0)|))) [2019-10-13 18:20:07,838 INFO L439 ceAbstractionStarter]: At program point L5074(line 5074) the Hoare annotation is: (or (and (= |ldv_module_put_2_#in~ldv_func_arg1.offset| ldv_module_put_2_~ldv_func_arg1.offset) (= ldv_module_put_2_~ldv_func_arg1.base |ldv_module_put_2_#in~ldv_func_arg1.base|) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)) (not (<= 2 |old(~ldv_module_refcounter~0)|))) [2019-10-13 18:20:07,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:20:07 BoogieIcfgContainer [2019-10-13 18:20:07,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 18:20:07,870 INFO L168 Benchmark]: Toolchain (without parser) took 13841.57 ms. Allocated memory was 144.7 MB in the beginning and 392.2 MB in the end (delta: 247.5 MB). Free memory was 96.1 MB in the beginning and 343.3 MB in the end (delta: -247.2 MB). Peak memory consumption was 264.0 MB. Max. memory is 7.1 GB. [2019-10-13 18:20:07,874 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 18:20:07,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1413.25 ms. Allocated memory was 144.7 MB in the beginning and 205.5 MB in the end (delta: 60.8 MB). Free memory was 95.9 MB in the beginning and 124.2 MB in the end (delta: -28.3 MB). Peak memory consumption was 40.7 MB. Max. memory is 7.1 GB. [2019-10-13 18:20:07,877 INFO L168 Benchmark]: Boogie Preprocessor took 168.60 ms. Allocated memory is still 205.5 MB. Free memory was 124.2 MB in the beginning and 120.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-10-13 18:20:07,879 INFO L168 Benchmark]: RCFGBuilder took 1035.88 ms. Allocated memory was 205.5 MB in the beginning and 237.0 MB in the end (delta: 31.5 MB). Free memory was 120.4 MB in the beginning and 174.7 MB in the end (delta: -54.3 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. [2019-10-13 18:20:07,881 INFO L168 Benchmark]: TraceAbstraction took 11218.06 ms. Allocated memory was 237.0 MB in the beginning and 392.2 MB in the end (delta: 155.2 MB). Free memory was 173.2 MB in the beginning and 343.3 MB in the end (delta: -170.1 MB). Peak memory consumption was 248.9 MB. Max. memory is 7.1 GB. [2019-10-13 18:20:07,889 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1413.25 ms. Allocated memory was 144.7 MB in the beginning and 205.5 MB in the end (delta: 60.8 MB). Free memory was 95.9 MB in the beginning and 124.2 MB in the end (delta: -28.3 MB). Peak memory consumption was 40.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 168.60 ms. Allocated memory is still 205.5 MB. Free memory was 124.2 MB in the beginning and 120.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1035.88 ms. Allocated memory was 205.5 MB in the beginning and 237.0 MB in the end (delta: 31.5 MB). Free memory was 120.4 MB in the beginning and 174.7 MB in the end (delta: -54.3 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11218.06 ms. Allocated memory was 237.0 MB in the beginning and 392.2 MB in the end (delta: 155.2 MB). Free memory was 173.2 MB in the beginning and 343.3 MB in the end (delta: -170.1 MB). Peak memory consumption was 248.9 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: !(1 == \old(ldv_module_refcounter)) || ldv_module_refcounter == \old(ldv_module_refcounter) - InvariantResult [Line: 4930]: Loop Invariant Derived loop invariant: !(1 == \old(ldv_module_refcounter)) || ldv_module_refcounter == \old(ldv_module_refcounter) - InvariantResult [Line: 4864]: Loop Invariant Derived loop invariant: ldv_module_refcounter == \old(ldv_module_refcounter) || !(1 == \old(ldv_module_refcounter)) - InvariantResult [Line: 4930]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter || !(1 == \old(ldv_module_refcounter)) - InvariantResult [Line: 4945]: Loop Invariant Derived loop invariant: !(1 == \old(ldv_module_refcounter)) || ldv_module_refcounter == \old(ldv_module_refcounter) - InvariantResult [Line: 4930]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter || !(1 == \old(ldv_module_refcounter)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 175 locations, 1 error locations. Result: SAFE, OverallTime: 11.1s, OverallIterations: 8, TraceHistogramMax: 2, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 645 SDtfs, 944 SDslu, 1109 SDs, 0 SdLazy, 2831 SolverSat, 419 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 389 GetRequests, 292 SyntacticMatches, 5 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=196occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 68 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 234 PreInvPairs, 254 NumberOfFragments, 545 HoareAnnotationTreeSize, 234 FomulaSimplifications, 3162 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 35 FomulaSimplificationsInter, 1339 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 677 NumberOfCodeBlocks, 677 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 668 ConstructedInterpolants, 0 QuantifiedInterpolants, 187489 SizeOfPredicates, 4 NumberOfNonLiveVariables, 565 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 85/88 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...