./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point_true-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cabd64b9-6d76-4717-944c-4a4e5f04442f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cabd64b9-6d76-4717-944c-4a4e5f04442f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cabd64b9-6d76-4717-944c-4a4e5f04442f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cabd64b9-6d76-4717-944c-4a4e5f04442f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cabd64b9-6d76-4717-944c-4a4e5f04442f/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cabd64b9-6d76-4717-944c-4a4e5f04442f/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7fc5757f33cca8abec0d298407c4598828d90b8e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-09 22:42:04,807 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 22:42:04,808 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 22:42:04,816 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 22:42:04,816 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 22:42:04,817 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 22:42:04,818 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 22:42:04,819 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 22:42:04,820 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 22:42:04,821 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 22:42:04,821 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 22:42:04,821 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 22:42:04,822 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 22:42:04,824 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 22:42:04,825 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 22:42:04,826 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 22:42:04,826 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 22:42:04,828 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 22:42:04,829 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 22:42:04,830 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 22:42:04,831 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 22:42:04,832 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 22:42:04,833 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 22:42:04,833 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 22:42:04,833 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 22:42:04,834 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 22:42:04,834 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 22:42:04,835 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 22:42:04,835 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 22:42:04,836 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 22:42:04,836 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 22:42:04,837 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 22:42:04,837 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 22:42:04,837 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 22:42:04,838 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 22:42:04,838 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 22:42:04,838 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cabd64b9-6d76-4717-944c-4a4e5f04442f/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-09 22:42:04,847 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 22:42:04,847 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 22:42:04,848 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-09 22:42:04,848 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-09 22:42:04,848 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 22:42:04,848 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 22:42:04,848 INFO L133 SettingsManager]: * Use SBE=true [2018-11-09 22:42:04,849 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 22:42:04,849 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-09 22:42:04,849 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 22:42:04,849 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-09 22:42:04,849 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-09 22:42:04,849 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-09 22:42:04,849 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 22:42:04,850 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-09 22:42:04,850 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 22:42:04,850 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-09 22:42:04,850 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-09 22:42:04,850 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-09 22:42:04,850 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-09 22:42:04,850 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 22:42:04,850 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-09 22:42:04,850 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-09 22:42:04,851 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-09 22:42:04,851 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-09 22:42:04,851 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-09 22:42:04,851 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-09 22:42:04,851 INFO L133 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_cabd64b9-6d76-4717-944c-4a4e5f04442f/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fc5757f33cca8abec0d298407c4598828d90b8e [2018-11-09 22:42:04,876 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 22:42:04,884 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 22:42:04,887 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 22:42:04,888 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 22:42:04,888 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 22:42:04,888 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cabd64b9-6d76-4717-944c-4a4e5f04442f/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point_true-unreach-call.cil.out.c [2018-11-09 22:42:04,924 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cabd64b9-6d76-4717-944c-4a4e5f04442f/bin-2019/uautomizer/data/d664175e9/9e0fcb75048c46898794876d6e560292/FLAG860868a3b [2018-11-09 22:42:05,457 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 22:42:05,458 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cabd64b9-6d76-4717-944c-4a4e5f04442f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point_true-unreach-call.cil.out.c [2018-11-09 22:42:05,476 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cabd64b9-6d76-4717-944c-4a4e5f04442f/bin-2019/uautomizer/data/d664175e9/9e0fcb75048c46898794876d6e560292/FLAG860868a3b [2018-11-09 22:42:05,486 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cabd64b9-6d76-4717-944c-4a4e5f04442f/bin-2019/uautomizer/data/d664175e9/9e0fcb75048c46898794876d6e560292 [2018-11-09 22:42:05,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 22:42:05,489 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-09 22:42:05,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 22:42:05,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 22:42:05,493 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 22:42:05,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:42:05" (1/1) ... [2018-11-09 22:42:05,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@747344f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:05, skipping insertion in model container [2018-11-09 22:42:05,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:42:05" (1/1) ... [2018-11-09 22:42:05,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 22:42:05,556 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 22:42:06,155 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 22:42:06,178 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 22:42:06,492 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 22:42:06,515 INFO L193 MainTranslator]: Completed translation [2018-11-09 22:42:06,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:06 WrapperNode [2018-11-09 22:42:06,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 22:42:06,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 22:42:06,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 22:42:06,517 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 22:42:06,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:06" (1/1) ... [2018-11-09 22:42:06,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:06" (1/1) ... [2018-11-09 22:42:06,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:06" (1/1) ... [2018-11-09 22:42:06,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:06" (1/1) ... [2018-11-09 22:42:06,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:06" (1/1) ... [2018-11-09 22:42:06,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:06" (1/1) ... [2018-11-09 22:42:06,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:06" (1/1) ... [2018-11-09 22:42:06,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 22:42:06,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 22:42:06,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 22:42:06,576 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 22:42:06,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cabd64b9-6d76-4717-944c-4a4e5f04442f/bin-2019/uautomizer/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 [2018-11-09 22:42:06,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-09 22:42:06,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 22:42:06,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2018-11-09 22:42:06,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2018-11-09 22:42:06,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-09 22:42:06,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-09 22:42:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2018-11-09 22:42:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2018-11-09 22:42:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2018-11-09 22:42:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2018-11-09 22:42:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2018-11-09 22:42:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-09 22:42:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2018-11-09 22:42:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2018-11-09 22:42:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2018-11-09 22:42:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2018-11-09 22:42:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2018-11-09 22:42:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2018-11-09 22:42:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2018-11-09 22:42:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2018-11-09 22:42:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2018-11-09 22:42:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-09 22:42:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_5 [2018-11-09 22:42:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2018-11-09 22:42:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-09 22:42:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2018-11-09 22:42:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2018-11-09 22:42:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2018-11-09 22:42:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2018-11-09 22:42:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2018-11-09 22:42:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2018-11-09 22:42:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2018-11-09 22:42:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2018-11-09 22:42:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2018-11-09 22:42:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-09 22:42:06,615 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-09 22:42:06,615 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-09 22:42:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-09 22:42:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2018-11-09 22:42:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-09 22:42:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2018-11-09 22:42:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_5 [2018-11-09 22:42:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2018-11-09 22:42:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2018-11-09 22:42:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2018-11-09 22:42:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-09 22:42:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-09 22:42:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-09 22:42:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2018-11-09 22:42:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-09 22:42:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-09 22:42:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-09 22:42:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-09 22:42:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-09 22:42:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-09 22:42:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2018-11-09 22:42:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2018-11-09 22:42:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-09 22:42:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2018-11-09 22:42:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2018-11-09 22:42:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2018-11-09 22:42:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-09 22:42:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2018-11-09 22:42:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2018-11-09 22:42:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2018-11-09 22:42:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2018-11-09 22:42:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2018-11-09 22:42:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2018-11-09 22:42:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2018-11-09 22:42:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2018-11-09 22:42:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2018-11-09 22:42:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2018-11-09 22:42:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2018-11-09 22:42:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2018-11-09 22:42:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-09 22:42:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-09 22:42:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-09 22:42:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-09 22:42:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2018-11-09 22:42:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2018-11-09 22:42:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2018-11-09 22:42:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2018-11-09 22:42:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2018-11-09 22:42:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-09 22:42:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-09 22:42:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-09 22:42:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-09 22:42:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-09 22:42:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2018-11-09 22:42:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2018-11-09 22:42:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2018-11-09 22:42:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2018-11-09 22:42:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2018-11-09 22:42:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2018-11-09 22:42:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2018-11-09 22:42:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-09 22:42:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-09 22:42:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 22:42:07,505 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 22:42:07,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:42:07 BoogieIcfgContainer [2018-11-09 22:42:07,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 22:42:07,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-09 22:42:07,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-09 22:42:07,509 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-09 22:42:07,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:42:05" (1/3) ... [2018-11-09 22:42:07,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348d02c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:42:07, skipping insertion in model container [2018-11-09 22:42:07,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:06" (2/3) ... [2018-11-09 22:42:07,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348d02c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:42:07, skipping insertion in model container [2018-11-09 22:42:07,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:42:07" (3/3) ... [2018-11-09 22:42:07,512 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point_true-unreach-call.cil.out.c [2018-11-09 22:42:07,522 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-09 22:42:07,530 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-09 22:42:07,543 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-09 22:42:07,569 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-09 22:42:07,570 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-09 22:42:07,570 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-09 22:42:07,570 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-09 22:42:07,571 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-09 22:42:07,571 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-09 22:42:07,571 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-09 22:42:07,571 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-09 22:42:07,571 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-09 22:42:07,589 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states. [2018-11-09 22:42:07,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-09 22:42:07,599 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 22:42:07,600 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 22:42:07,602 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 22:42:07,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 22:42:07,607 INFO L82 PathProgramCache]: Analyzing trace with hash 70940254, now seen corresponding path program 1 times [2018-11-09 22:42:07,609 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 22:42:07,609 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 22:42:07,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:07,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 22:42:07,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:42:07,996 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-09 22:42:07,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 22:42:07,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-09 22:42:08,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-09 22:42:08,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-09 22:42:08,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-09 22:42:08,016 INFO L87 Difference]: Start difference. First operand 242 states. Second operand 3 states. [2018-11-09 22:42:08,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 22:42:08,103 INFO L93 Difference]: Finished difference Result 425 states and 508 transitions. [2018-11-09 22:42:08,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-09 22:42:08,104 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2018-11-09 22:42:08,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 22:42:08,115 INFO L225 Difference]: With dead ends: 425 [2018-11-09 22:42:08,116 INFO L226 Difference]: Without dead ends: 297 [2018-11-09 22:42:08,119 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-09 22:42:08,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2018-11-09 22:42:08,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 294. [2018-11-09 22:42:08,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-11-09 22:42:08,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 335 transitions. [2018-11-09 22:42:08,168 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 335 transitions. Word has length 163 [2018-11-09 22:42:08,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 22:42:08,170 INFO L481 AbstractCegarLoop]: Abstraction has 294 states and 335 transitions. [2018-11-09 22:42:08,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-09 22:42:08,170 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 335 transitions. [2018-11-09 22:42:08,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-09 22:42:08,174 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 22:42:08,174 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 22:42:08,174 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 22:42:08,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 22:42:08,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1295478327, now seen corresponding path program 1 times [2018-11-09 22:42:08,175 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 22:42:08,175 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 22:42:08,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:08,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 22:42:08,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:42:08,337 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-09 22:42:08,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 22:42:08,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-09 22:42:08,339 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-09 22:42:08,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-09 22:42:08,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-09 22:42:08,341 INFO L87 Difference]: Start difference. First operand 294 states and 335 transitions. Second operand 3 states. [2018-11-09 22:42:08,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 22:42:08,400 INFO L93 Difference]: Finished difference Result 304 states and 343 transitions. [2018-11-09 22:42:08,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-09 22:42:08,401 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2018-11-09 22:42:08,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 22:42:08,403 INFO L225 Difference]: With dead ends: 304 [2018-11-09 22:42:08,403 INFO L226 Difference]: Without dead ends: 299 [2018-11-09 22:42:08,404 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-09 22:42:08,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2018-11-09 22:42:08,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 294. [2018-11-09 22:42:08,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-11-09 22:42:08,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 334 transitions. [2018-11-09 22:42:08,418 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 334 transitions. Word has length 168 [2018-11-09 22:42:08,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 22:42:08,419 INFO L481 AbstractCegarLoop]: Abstraction has 294 states and 334 transitions. [2018-11-09 22:42:08,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-09 22:42:08,419 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 334 transitions. [2018-11-09 22:42:08,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-09 22:42:08,421 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 22:42:08,421 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 22:42:08,423 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 22:42:08,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 22:42:08,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1238220025, now seen corresponding path program 1 times [2018-11-09 22:42:08,423 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 22:42:08,423 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 22:42:08,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:08,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 22:42:08,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:42:08,567 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-09 22:42:08,567 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 22:42:08,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-09 22:42:08,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-09 22:42:08,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-09 22:42:08,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-09 22:42:08,569 INFO L87 Difference]: Start difference. First operand 294 states and 334 transitions. Second operand 3 states. [2018-11-09 22:42:08,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 22:42:08,593 INFO L93 Difference]: Finished difference Result 621 states and 745 transitions. [2018-11-09 22:42:08,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-09 22:42:08,594 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2018-11-09 22:42:08,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 22:42:08,597 INFO L225 Difference]: With dead ends: 621 [2018-11-09 22:42:08,597 INFO L226 Difference]: Without dead ends: 449 [2018-11-09 22:42:08,599 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-09 22:42:08,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-11-09 22:42:08,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 445. [2018-11-09 22:42:08,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2018-11-09 22:42:08,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 524 transitions. [2018-11-09 22:42:08,615 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 524 transitions. Word has length 168 [2018-11-09 22:42:08,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 22:42:08,616 INFO L481 AbstractCegarLoop]: Abstraction has 445 states and 524 transitions. [2018-11-09 22:42:08,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-09 22:42:08,616 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 524 transitions. [2018-11-09 22:42:08,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-09 22:42:08,619 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 22:42:08,619 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 22:42:08,620 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 22:42:08,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 22:42:08,620 INFO L82 PathProgramCache]: Analyzing trace with hash -330087085, now seen corresponding path program 1 times [2018-11-09 22:42:08,620 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 22:42:08,620 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 22:42:08,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:08,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 22:42:08,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:42:08,731 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-09 22:42:08,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 22:42:08,732 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-09 22:42:08,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-09 22:42:08,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-09 22:42:08,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-09 22:42:08,732 INFO L87 Difference]: Start difference. First operand 445 states and 524 transitions. Second operand 3 states. [2018-11-09 22:42:08,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 22:42:08,774 INFO L93 Difference]: Finished difference Result 841 states and 1022 transitions. [2018-11-09 22:42:08,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-09 22:42:08,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2018-11-09 22:42:08,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 22:42:08,777 INFO L225 Difference]: With dead ends: 841 [2018-11-09 22:42:08,777 INFO L226 Difference]: Without dead ends: 525 [2018-11-09 22:42:08,779 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-09 22:42:08,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2018-11-09 22:42:08,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 515. [2018-11-09 22:42:08,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-11-09 22:42:08,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 618 transitions. [2018-11-09 22:42:08,797 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 618 transitions. Word has length 194 [2018-11-09 22:42:08,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 22:42:08,797 INFO L481 AbstractCegarLoop]: Abstraction has 515 states and 618 transitions. [2018-11-09 22:42:08,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-09 22:42:08,798 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 618 transitions. [2018-11-09 22:42:08,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-09 22:42:08,800 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 22:42:08,800 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 22:42:08,800 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 22:42:08,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 22:42:08,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1531562809, now seen corresponding path program 1 times [2018-11-09 22:42:08,801 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 22:42:08,801 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 22:42:08,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:08,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 22:42:08,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:42:08,960 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-09 22:42:08,960 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 22:42:08,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-09 22:42:08,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-09 22:42:08,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-09 22:42:08,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-09 22:42:08,963 INFO L87 Difference]: Start difference. First operand 515 states and 618 transitions. Second operand 7 states. [2018-11-09 22:42:09,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 22:42:09,010 INFO L93 Difference]: Finished difference Result 945 states and 1159 transitions. [2018-11-09 22:42:09,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-09 22:42:09,010 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 210 [2018-11-09 22:42:09,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 22:42:09,013 INFO L225 Difference]: With dead ends: 945 [2018-11-09 22:42:09,013 INFO L226 Difference]: Without dead ends: 559 [2018-11-09 22:42:09,014 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-09 22:42:09,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2018-11-09 22:42:09,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 553. [2018-11-09 22:42:09,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2018-11-09 22:42:09,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 660 transitions. [2018-11-09 22:42:09,032 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 660 transitions. Word has length 210 [2018-11-09 22:42:09,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 22:42:09,033 INFO L481 AbstractCegarLoop]: Abstraction has 553 states and 660 transitions. [2018-11-09 22:42:09,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-09 22:42:09,033 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 660 transitions. [2018-11-09 22:42:09,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-09 22:42:09,036 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 22:42:09,037 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 22:42:09,037 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 22:42:09,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 22:42:09,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1074460745, now seen corresponding path program 1 times [2018-11-09 22:42:09,037 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 22:42:09,037 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 22:42:09,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:09,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 22:42:09,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:42:09,145 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-09 22:42:09,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 22:42:09,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-09 22:42:09,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-09 22:42:09,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-09 22:42:09,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-09 22:42:09,146 INFO L87 Difference]: Start difference. First operand 553 states and 660 transitions. Second operand 3 states. [2018-11-09 22:42:09,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 22:42:09,166 INFO L93 Difference]: Finished difference Result 936 states and 1152 transitions. [2018-11-09 22:42:09,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-09 22:42:09,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2018-11-09 22:42:09,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 22:42:09,168 INFO L225 Difference]: With dead ends: 936 [2018-11-09 22:42:09,169 INFO L226 Difference]: Without dead ends: 512 [2018-11-09 22:42:09,170 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-09 22:42:09,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-11-09 22:42:09,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 500. [2018-11-09 22:42:09,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2018-11-09 22:42:09,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 597 transitions. [2018-11-09 22:42:09,183 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 597 transitions. Word has length 210 [2018-11-09 22:42:09,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 22:42:09,184 INFO L481 AbstractCegarLoop]: Abstraction has 500 states and 597 transitions. [2018-11-09 22:42:09,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-09 22:42:09,184 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 597 transitions. [2018-11-09 22:42:09,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-09 22:42:09,187 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 22:42:09,187 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 22:42:09,188 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 22:42:09,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 22:42:09,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1206447445, now seen corresponding path program 1 times [2018-11-09 22:42:09,188 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 22:42:09,188 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 22:42:09,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:09,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 22:42:09,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:42:09,481 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-09 22:42:09,481 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 22:42:09,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-09 22:42:09,482 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-09 22:42:09,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-09 22:42:09,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-09 22:42:09,483 INFO L87 Difference]: Start difference. First operand 500 states and 597 transitions. Second operand 7 states. [2018-11-09 22:42:09,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 22:42:09,874 INFO L93 Difference]: Finished difference Result 754 states and 906 transitions. [2018-11-09 22:42:09,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-09 22:42:09,875 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 216 [2018-11-09 22:42:09,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 22:42:09,878 INFO L225 Difference]: With dead ends: 754 [2018-11-09 22:42:09,878 INFO L226 Difference]: Without dead ends: 751 [2018-11-09 22:42:09,878 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-09 22:42:09,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2018-11-09 22:42:09,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 719. [2018-11-09 22:42:09,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2018-11-09 22:42:09,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 872 transitions. [2018-11-09 22:42:09,897 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 872 transitions. Word has length 216 [2018-11-09 22:42:09,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 22:42:09,897 INFO L481 AbstractCegarLoop]: Abstraction has 719 states and 872 transitions. [2018-11-09 22:42:09,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-09 22:42:09,897 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 872 transitions. [2018-11-09 22:42:09,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-09 22:42:09,899 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 22:42:09,899 INFO L375 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 22:42:09,899 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 22:42:09,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 22:42:09,900 INFO L82 PathProgramCache]: Analyzing trace with hash 143438063, now seen corresponding path program 1 times [2018-11-09 22:42:09,900 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 22:42:09,900 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 22:42:09,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:09,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 22:42:09,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:42:09,970 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-09 22:42:09,970 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 22:42:09,970 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-09 22:42:09,970 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-09 22:42:09,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-09 22:42:09,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-09 22:42:09,971 INFO L87 Difference]: Start difference. First operand 719 states and 872 transitions. Second operand 3 states. [2018-11-09 22:42:09,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 22:42:09,990 INFO L93 Difference]: Finished difference Result 1174 states and 1438 transitions. [2018-11-09 22:42:09,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-09 22:42:09,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2018-11-09 22:42:09,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 22:42:09,993 INFO L225 Difference]: With dead ends: 1174 [2018-11-09 22:42:09,993 INFO L226 Difference]: Without dead ends: 731 [2018-11-09 22:42:09,994 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-09 22:42:09,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2018-11-09 22:42:10,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 719. [2018-11-09 22:42:10,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2018-11-09 22:42:10,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 868 transitions. [2018-11-09 22:42:10,009 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 868 transitions. Word has length 218 [2018-11-09 22:42:10,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 22:42:10,010 INFO L481 AbstractCegarLoop]: Abstraction has 719 states and 868 transitions. [2018-11-09 22:42:10,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-09 22:42:10,010 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 868 transitions. [2018-11-09 22:42:10,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-09 22:42:10,012 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 22:42:10,013 INFO L375 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 22:42:10,013 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 22:42:10,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 22:42:10,013 INFO L82 PathProgramCache]: Analyzing trace with hash 566139889, now seen corresponding path program 1 times [2018-11-09 22:42:10,013 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 22:42:10,013 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 22:42:10,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:10,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 22:42:10,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:42:10,128 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-09 22:42:10,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 22:42:10,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-09 22:42:10,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-09 22:42:10,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-09 22:42:10,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-09 22:42:10,130 INFO L87 Difference]: Start difference. First operand 719 states and 868 transitions. Second operand 7 states. [2018-11-09 22:42:10,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 22:42:10,160 INFO L93 Difference]: Finished difference Result 1166 states and 1420 transitions. [2018-11-09 22:42:10,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-09 22:42:10,161 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 218 [2018-11-09 22:42:10,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 22:42:10,163 INFO L225 Difference]: With dead ends: 1166 [2018-11-09 22:42:10,163 INFO L226 Difference]: Without dead ends: 723 [2018-11-09 22:42:10,164 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-09 22:42:10,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2018-11-09 22:42:10,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 717. [2018-11-09 22:42:10,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2018-11-09 22:42:10,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 862 transitions. [2018-11-09 22:42:10,180 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 862 transitions. Word has length 218 [2018-11-09 22:42:10,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 22:42:10,181 INFO L481 AbstractCegarLoop]: Abstraction has 717 states and 862 transitions. [2018-11-09 22:42:10,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-09 22:42:10,181 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 862 transitions. [2018-11-09 22:42:10,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-09 22:42:10,184 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 22:42:10,184 INFO L375 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 22:42:10,184 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 22:42:10,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 22:42:10,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1038989776, now seen corresponding path program 1 times [2018-11-09 22:42:10,185 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 22:42:10,185 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 22:42:10,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:10,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 22:42:10,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:42:10,335 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-09 22:42:10,336 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-09 22:42:10,336 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cabd64b9-6d76-4717-944c-4a4e5f04442f/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-09 22:42:10,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 22:42:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:42:10,580 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:42:10,735 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-09 22:42:10,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-09 22:42:10,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-11-09 22:42:10,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-09 22:42:10,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-09 22:42:10,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-09 22:42:10,763 INFO L87 Difference]: Start difference. First operand 717 states and 862 transitions. Second operand 9 states. [2018-11-09 22:42:11,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 22:42:11,019 INFO L93 Difference]: Finished difference Result 1353 states and 1664 transitions. [2018-11-09 22:42:11,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-09 22:42:11,020 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 237 [2018-11-09 22:42:11,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 22:42:11,023 INFO L225 Difference]: With dead ends: 1353 [2018-11-09 22:42:11,023 INFO L226 Difference]: Without dead ends: 748 [2018-11-09 22:42:11,024 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 234 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2018-11-09 22:42:11,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2018-11-09 22:42:11,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 730. [2018-11-09 22:42:11,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 730 states. [2018-11-09 22:42:11,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 875 transitions. [2018-11-09 22:42:11,050 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 875 transitions. Word has length 237 [2018-11-09 22:42:11,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 22:42:11,050 INFO L481 AbstractCegarLoop]: Abstraction has 730 states and 875 transitions. [2018-11-09 22:42:11,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-09 22:42:11,050 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 875 transitions. [2018-11-09 22:42:11,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-09 22:42:11,053 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 22:42:11,053 INFO L375 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 22:42:11,053 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 22:42:11,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 22:42:11,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1418629068, now seen corresponding path program 1 times [2018-11-09 22:42:11,054 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 22:42:11,054 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 22:42:11,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:11,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 22:42:11,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:42:11,295 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-09 22:42:11,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 22:42:11,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-09 22:42:11,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-09 22:42:11,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-09 22:42:11,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-09 22:42:11,296 INFO L87 Difference]: Start difference. First operand 730 states and 875 transitions. Second operand 7 states. [2018-11-09 22:42:11,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 22:42:11,387 INFO L93 Difference]: Finished difference Result 1364 states and 1655 transitions. [2018-11-09 22:42:11,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-09 22:42:11,387 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 239 [2018-11-09 22:42:11,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 22:42:11,389 INFO L225 Difference]: With dead ends: 1364 [2018-11-09 22:42:11,389 INFO L226 Difference]: Without dead ends: 731 [2018-11-09 22:42:11,391 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-09 22:42:11,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2018-11-09 22:42:11,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 731. [2018-11-09 22:42:11,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 731 states. [2018-11-09 22:42:11,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 876 transitions. [2018-11-09 22:42:11,408 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 876 transitions. Word has length 239 [2018-11-09 22:42:11,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 22:42:11,408 INFO L481 AbstractCegarLoop]: Abstraction has 731 states and 876 transitions. [2018-11-09 22:42:11,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-09 22:42:11,408 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 876 transitions. [2018-11-09 22:42:11,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-09 22:42:11,411 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 22:42:11,412 INFO L375 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 22:42:11,412 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 22:42:11,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 22:42:11,412 INFO L82 PathProgramCache]: Analyzing trace with hash -2095022970, now seen corresponding path program 1 times [2018-11-09 22:42:11,412 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 22:42:11,412 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 22:42:11,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:11,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 22:42:11,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:42:11,549 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-09 22:42:11,549 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-09 22:42:11,549 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cabd64b9-6d76-4717-944c-4a4e5f04442f/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-09 22:42:11,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 22:42:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:42:11,756 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:42:11,853 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-09 22:42:11,880 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-09 22:42:11,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-09 22:42:11,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-09 22:42:11,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-09 22:42:11,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2018-11-09 22:42:11,881 INFO L87 Difference]: Start difference. First operand 731 states and 876 transitions. Second operand 12 states. [2018-11-09 22:42:12,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 22:42:12,012 INFO L93 Difference]: Finished difference Result 1350 states and 1639 transitions. [2018-11-09 22:42:12,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-09 22:42:12,013 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 241 [2018-11-09 22:42:12,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 22:42:12,016 INFO L225 Difference]: With dead ends: 1350 [2018-11-09 22:42:12,016 INFO L226 Difference]: Without dead ends: 732 [2018-11-09 22:42:12,017 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2018-11-09 22:42:12,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2018-11-09 22:42:12,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 732. [2018-11-09 22:42:12,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 732 states. [2018-11-09 22:42:12,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 877 transitions. [2018-11-09 22:42:12,042 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 877 transitions. Word has length 241 [2018-11-09 22:42:12,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 22:42:12,042 INFO L481 AbstractCegarLoop]: Abstraction has 732 states and 877 transitions. [2018-11-09 22:42:12,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-09 22:42:12,043 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 877 transitions. [2018-11-09 22:42:12,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-09 22:42:12,044 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 22:42:12,044 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 22:42:12,044 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 22:42:12,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 22:42:12,045 INFO L82 PathProgramCache]: Analyzing trace with hash -153340416, now seen corresponding path program 2 times [2018-11-09 22:42:12,045 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 22:42:12,045 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 22:42:12,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:12,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 22:42:12,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:42:12,269 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-09 22:42:12,270 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-09 22:42:12,270 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cabd64b9-6d76-4717-944c-4a4e5f04442f/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-09 22:42:12,283 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-09 22:42:24,492 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-09 22:42:24,492 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-09 22:42:24,504 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:42:24,610 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-09 22:42:24,635 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-09 22:42:24,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2018-11-09 22:42:24,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-09 22:42:24,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-09 22:42:24,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2018-11-09 22:42:24,636 INFO L87 Difference]: Start difference. First operand 732 states and 877 transitions. Second operand 13 states. [2018-11-09 22:42:24,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 22:42:24,773 INFO L93 Difference]: Finished difference Result 1352 states and 1641 transitions. [2018-11-09 22:42:24,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-09 22:42:24,774 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 243 [2018-11-09 22:42:24,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 22:42:24,778 INFO L225 Difference]: With dead ends: 1352 [2018-11-09 22:42:24,778 INFO L226 Difference]: Without dead ends: 733 [2018-11-09 22:42:24,779 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 238 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-11-09 22:42:24,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2018-11-09 22:42:24,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 733. [2018-11-09 22:42:24,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2018-11-09 22:42:24,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 878 transitions. [2018-11-09 22:42:24,804 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 878 transitions. Word has length 243 [2018-11-09 22:42:24,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 22:42:24,804 INFO L481 AbstractCegarLoop]: Abstraction has 733 states and 878 transitions. [2018-11-09 22:42:24,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-09 22:42:24,804 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 878 transitions. [2018-11-09 22:42:24,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-09 22:42:24,806 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 22:42:24,806 INFO L375 BasicCegarLoop]: trace histogram [6, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 22:42:24,806 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 22:42:24,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 22:42:24,806 INFO L82 PathProgramCache]: Analyzing trace with hash 320289478, now seen corresponding path program 3 times [2018-11-09 22:42:24,806 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 22:42:24,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 22:42:24,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:24,810 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-09 22:42:24,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:42:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:42:25,052 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-09 22:42:25,053 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-09 22:42:25,053 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cabd64b9-6d76-4717-944c-4a4e5f04442f/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-09 22:42:25,078 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-09 22:42:39,784 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-09 22:42:39,784 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-09 22:42:39,798 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-09 22:42:40,453 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-09 22:42:40,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-09 22:42:40,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [9] total 23 [2018-11-09 22:42:40,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-09 22:42:40,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-09 22:42:40,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=456, Unknown=0, NotChecked=0, Total=506 [2018-11-09 22:42:40,480 INFO L87 Difference]: Start difference. First operand 733 states and 878 transitions. Second operand 23 states. [2018-11-09 22:43:15,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 22:43:15,022 INFO L93 Difference]: Finished difference Result 1404 states and 1694 transitions. [2018-11-09 22:43:15,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-09 22:43:15,023 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 245 [2018-11-09 22:43:15,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 22:43:15,026 INFO L225 Difference]: With dead ends: 1404 [2018-11-09 22:43:15,026 INFO L226 Difference]: Without dead ends: 768 [2018-11-09 22:43:15,027 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 233 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=134, Invalid=1348, Unknown=0, NotChecked=0, Total=1482 [2018-11-09 22:43:15,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2018-11-09 22:43:15,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 557. [2018-11-09 22:43:15,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2018-11-09 22:43:15,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 648 transitions. [2018-11-09 22:43:15,049 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 648 transitions. Word has length 245 [2018-11-09 22:43:15,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 22:43:15,050 INFO L481 AbstractCegarLoop]: Abstraction has 557 states and 648 transitions. [2018-11-09 22:43:15,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-09 22:43:15,050 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 648 transitions. [2018-11-09 22:43:15,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-09 22:43:15,051 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 22:43:15,051 INFO L375 BasicCegarLoop]: trace histogram [8, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 22:43:15,051 INFO L424 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 22:43:15,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 22:43:15,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1888417016, now seen corresponding path program 1 times [2018-11-09 22:43:15,052 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 22:43:15,052 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 22:43:15,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:43:15,054 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-09 22:43:15,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:43:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:43:15,234 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-09 22:43:15,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 22:43:15,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-09 22:43:15,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-09 22:43:15,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-09 22:43:15,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2018-11-09 22:43:15,235 INFO L87 Difference]: Start difference. First operand 557 states and 648 transitions. Second operand 9 states. [2018-11-09 22:43:15,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 22:43:15,370 INFO L93 Difference]: Finished difference Result 559 states and 649 transitions. [2018-11-09 22:43:15,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-09 22:43:15,371 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 249 [2018-11-09 22:43:15,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 22:43:15,373 INFO L225 Difference]: With dead ends: 559 [2018-11-09 22:43:15,373 INFO L226 Difference]: Without dead ends: 549 [2018-11-09 22:43:15,373 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-11-09 22:43:15,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2018-11-09 22:43:15,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 549. [2018-11-09 22:43:15,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2018-11-09 22:43:15,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 636 transitions. [2018-11-09 22:43:15,389 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 636 transitions. Word has length 249 [2018-11-09 22:43:15,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 22:43:15,389 INFO L481 AbstractCegarLoop]: Abstraction has 549 states and 636 transitions. [2018-11-09 22:43:15,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-09 22:43:15,389 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 636 transitions. [2018-11-09 22:43:15,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-09 22:43:15,391 INFO L367 BasicCegarLoop]: Found error trace [2018-11-09 22:43:15,391 INFO L375 BasicCegarLoop]: trace histogram [8, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-09 22:43:15,392 INFO L424 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-09 22:43:15,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 22:43:15,392 INFO L82 PathProgramCache]: Analyzing trace with hash 767908319, now seen corresponding path program 1 times [2018-11-09 22:43:15,392 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-09 22:43:15,392 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-09 22:43:15,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:43:15,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-09 22:43:15,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-09 22:43:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:43:15,514 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-09 22:43:15,514 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-09 22:43:15,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-09 22:43:15,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-09 22:43:15,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-09 22:43:15,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-09 22:43:15,515 INFO L87 Difference]: Start difference. First operand 549 states and 636 transitions. Second operand 6 states. [2018-11-09 22:43:15,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-09 22:43:15,667 INFO L93 Difference]: Finished difference Result 549 states and 636 transitions. [2018-11-09 22:43:15,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-09 22:43:15,668 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 286 [2018-11-09 22:43:15,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-09 22:43:15,668 INFO L225 Difference]: With dead ends: 549 [2018-11-09 22:43:15,668 INFO L226 Difference]: Without dead ends: 0 [2018-11-09 22:43:15,669 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-11-09 22:43:15,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-09 22:43:15,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-09 22:43:15,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-09 22:43:15,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-09 22:43:15,670 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 286 [2018-11-09 22:43:15,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-09 22:43:15,670 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-09 22:43:15,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-09 22:43:15,670 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-09 22:43:15,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-09 22:43:15,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-09 22:43:15,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-09 22:43:16,178 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 11 [2018-11-09 22:43:16,707 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 41 [2018-11-09 22:43:17,074 WARN L179 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 11 [2018-11-09 22:43:17,447 WARN L179 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 53 [2018-11-09 22:43:17,517 INFO L425 ceAbstractionStarter]: For program point ldv_module_getEXIT(lines 6356 6368) no Hoare annotation was computed. [2018-11-09 22:43:17,517 INFO L425 ceAbstractionStarter]: For program point ldv_module_getENTRY(lines 6356 6368) no Hoare annotation was computed. [2018-11-09 22:43:17,517 INFO L425 ceAbstractionStarter]: For program point L6361-2(lines 6356 6368) no Hoare annotation was computed. [2018-11-09 22:43:17,517 INFO L425 ceAbstractionStarter]: For program point L6361(lines 6361 6365) no Hoare annotation was computed. [2018-11-09 22:43:17,517 INFO L425 ceAbstractionStarter]: For program point ldv_err_ptrEXIT(lines 6320 6327) no Hoare annotation was computed. [2018-11-09 22:43:17,517 INFO L425 ceAbstractionStarter]: For program point ldv_err_ptrENTRY(lines 6320 6327) no Hoare annotation was computed. [2018-11-09 22:43:17,517 INFO L425 ceAbstractionStarter]: For program point ldv_err_ptrFINAL(lines 6320 6327) no Hoare annotation was computed. [2018-11-09 22:43:17,517 INFO L425 ceAbstractionStarter]: For program point ldv_is_err_or_nullENTRY(lines 6336 6354) no Hoare annotation was computed. [2018-11-09 22:43:17,517 INFO L425 ceAbstractionStarter]: For program point L6346(lines 6346 6350) no Hoare annotation was computed. [2018-11-09 22:43:17,517 INFO L425 ceAbstractionStarter]: For program point ldv_is_err_or_nullEXIT(lines 6336 6354) no Hoare annotation was computed. [2018-11-09 22:43:17,517 INFO L425 ceAbstractionStarter]: For program point L6342(lines 6342 6351) no Hoare annotation was computed. [2018-11-09 22:43:17,517 INFO L425 ceAbstractionStarter]: For program point L6345-1(line 6345) no Hoare annotation was computed. [2018-11-09 22:43:17,517 INFO L425 ceAbstractionStarter]: For program point L6346-2(lines 6342 6351) no Hoare annotation was computed. [2018-11-09 22:43:17,517 INFO L425 ceAbstractionStarter]: For program point L6345(line 6345) no Hoare annotation was computed. [2018-11-09 22:43:17,517 INFO L425 ceAbstractionStarter]: For program point ldv_is_err_or_nullFINAL(lines 6336 6354) no Hoare annotation was computed. [2018-11-09 22:43:17,517 INFO L425 ceAbstractionStarter]: For program point L6080(line 6080) no Hoare annotation was computed. [2018-11-09 22:43:17,517 INFO L425 ceAbstractionStarter]: For program point L6076-1(lines 6076 6077) no Hoare annotation was computed. [2018-11-09 22:43:17,517 INFO L425 ceAbstractionStarter]: For program point L6109-2(line 6109) no Hoare annotation was computed. [2018-11-09 22:43:17,517 INFO L425 ceAbstractionStarter]: For program point L6109-3(line 6109) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6109(line 6109) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6076(lines 6076 6077) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6109-1(line 6109) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6105(line 6105) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6109-4(line 6109) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6089(line 6089) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6106(line 6106) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6106-3(lines 6106 6113) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6106-1(line 6106) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6106-2(line 6106) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point pppox_ioctlFINAL(lines 6050 6119) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6069(line 6069) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6069-1(lines 6069 6073) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6065(line 6065) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6065-1(line 6065) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6086(line 6086) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6115(lines 6061 6118) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6103(line 6103) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6103-1(line 6103) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6066(lines 6066 6114) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6103-2(line 6103) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6062(line 6062) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6062-1(line 6062) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point pppox_ioctlEXIT(lines 6050 6119) no Hoare annotation was computed. [2018-11-09 22:43:17,518 INFO L425 ceAbstractionStarter]: For program point L6083(line 6083) no Hoare annotation was computed. [2018-11-09 22:43:17,519 INFO L425 ceAbstractionStarter]: For program point pppox_ioctlENTRY(lines 6050 6119) no Hoare annotation was computed. [2018-11-09 22:43:17,519 INFO L425 ceAbstractionStarter]: For program point L6116(line 6116) no Hoare annotation was computed. [2018-11-09 22:43:17,519 INFO L425 ceAbstractionStarter]: For program point L6079(lines 6079 6095) no Hoare annotation was computed. [2018-11-09 22:43:17,519 INFO L425 ceAbstractionStarter]: For program point L6075(line 6075) no Hoare annotation was computed. [2018-11-09 22:43:17,519 INFO L425 ceAbstractionStarter]: For program point L6075-1(line 6075) no Hoare annotation was computed. [2018-11-09 22:43:17,519 INFO L425 ceAbstractionStarter]: For program point L6067(line 6067) no Hoare annotation was computed. [2018-11-09 22:43:17,519 INFO L425 ceAbstractionStarter]: For program point L6063(line 6063) no Hoare annotation was computed. [2018-11-09 22:43:17,519 INFO L425 ceAbstractionStarter]: For program point L6063-1(line 6063) no Hoare annotation was computed. [2018-11-09 22:43:17,519 INFO L425 ceAbstractionStarter]: For program point L6096(lines 6066 6114) no Hoare annotation was computed. [2018-11-09 22:43:17,519 INFO L425 ceAbstractionStarter]: For program point L6092(line 6092) no Hoare annotation was computed. [2018-11-09 22:43:17,519 INFO L425 ceAbstractionStarter]: For program point lock_sockENTRY(lines 5954 5962) no Hoare annotation was computed. [2018-11-09 22:43:17,519 INFO L425 ceAbstractionStarter]: For program point lock_sockFINAL(lines 5954 5962) no Hoare annotation was computed. [2018-11-09 22:43:17,519 INFO L425 ceAbstractionStarter]: For program point L5959(line 5959) no Hoare annotation was computed. [2018-11-09 22:43:17,519 INFO L425 ceAbstractionStarter]: For program point lock_sockEXIT(lines 5954 5962) no Hoare annotation was computed. [2018-11-09 22:43:17,520 INFO L428 ceAbstractionStarter]: At program point ldv_undef_intENTRY(lines 5909 5917) the Hoare annotation is: true [2018-11-09 22:43:17,520 INFO L425 ceAbstractionStarter]: For program point ldv_undef_intFINAL(lines 5909 5917) no Hoare annotation was computed. [2018-11-09 22:43:17,520 INFO L425 ceAbstractionStarter]: For program point ldv_undef_intEXIT(lines 5909 5917) no Hoare annotation was computed. [2018-11-09 22:43:17,520 INFO L425 ceAbstractionStarter]: For program point L6237(lines 6237 6268) no Hoare annotation was computed. [2018-11-09 22:43:17,521 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 6188 6283) no Hoare annotation was computed. [2018-11-09 22:43:17,521 INFO L425 ceAbstractionStarter]: For program point L6213(lines 6213 6276) no Hoare annotation was computed. [2018-11-09 22:43:17,521 INFO L425 ceAbstractionStarter]: For program point L6238(line 6238) no Hoare annotation was computed. [2018-11-09 22:43:17,521 INFO L425 ceAbstractionStarter]: For program point L6205(line 6205) no Hoare annotation was computed. [2018-11-09 22:43:17,521 INFO L421 ceAbstractionStarter]: At program point L6205-1(line 6205) the Hoare annotation is: (or (and (= ~ldv_retval_0~0 0) (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_1~0 0)) (not (= 1 |old(~ldv_module_refcounter~0)|)) (not (= 0 |old(~ldv_retval_0~0)|)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-09 22:43:17,521 INFO L425 ceAbstractionStarter]: For program point L6247(line 6247) no Hoare annotation was computed. [2018-11-09 22:43:17,521 INFO L425 ceAbstractionStarter]: For program point L6214(line 6214) no Hoare annotation was computed. [2018-11-09 22:43:17,521 INFO L425 ceAbstractionStarter]: For program point L6280(line 6280) no Hoare annotation was computed. [2018-11-09 22:43:17,521 INFO L425 ceAbstractionStarter]: For program point L6239(lines 6239 6245) no Hoare annotation was computed. [2018-11-09 22:43:17,521 INFO L425 ceAbstractionStarter]: For program point L6206(line 6206) no Hoare annotation was computed. [2018-11-09 22:43:17,521 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 6188 6283) no Hoare annotation was computed. [2018-11-09 22:43:17,521 INFO L425 ceAbstractionStarter]: For program point L6215(lines 6215 6232) no Hoare annotation was computed. [2018-11-09 22:43:17,522 INFO L425 ceAbstractionStarter]: For program point L6248(lines 6248 6264) no Hoare annotation was computed. [2018-11-09 22:43:17,522 INFO L421 ceAbstractionStarter]: At program point L6207(line 6207) the Hoare annotation is: (or (and (= ~ldv_retval_0~0 0) (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_1~0 0)) (not (= 1 |old(~ldv_module_refcounter~0)|)) (not (= 0 |old(~ldv_retval_0~0)|)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-09 22:43:17,522 INFO L425 ceAbstractionStarter]: For program point L6240-1(line 6240) no Hoare annotation was computed. [2018-11-09 22:43:17,522 INFO L425 ceAbstractionStarter]: For program point L6207-1(line 6207) no Hoare annotation was computed. [2018-11-09 22:43:17,522 INFO L421 ceAbstractionStarter]: At program point L6240(line 6240) the Hoare annotation is: (or (and (= ~ldv_retval_0~0 0) (= 1 ~ldv_module_refcounter~0)) (not (= 1 |old(~ldv_module_refcounter~0)|)) (not (= 0 |old(~ldv_retval_0~0)|)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-09 22:43:17,522 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 6188 6283) the Hoare annotation is: (or (and (= ~ldv_retval_0~0 0) (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_1~0 0)) (not (= 1 |old(~ldv_module_refcounter~0)|)) (not (= 0 |old(~ldv_retval_0~0)|)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-09 22:43:17,522 INFO L421 ceAbstractionStarter]: At program point L6249(line 6249) the Hoare annotation is: (or (and (= ~ldv_retval_0~0 0) (= 1 ~ldv_module_refcounter~0) (= 1 ~ldv_state_variable_0~0)) (not (= 1 |old(~ldv_module_refcounter~0)|)) (not (= 0 |old(~ldv_retval_0~0)|)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-09 22:43:17,522 INFO L425 ceAbstractionStarter]: For program point L6249-1(line 6249) no Hoare annotation was computed. [2018-11-09 22:43:17,522 INFO L425 ceAbstractionStarter]: For program point L6274(line 6274) no Hoare annotation was computed. [2018-11-09 22:43:17,522 INFO L425 ceAbstractionStarter]: For program point L6266(line 6266) no Hoare annotation was computed. [2018-11-09 22:43:17,523 INFO L421 ceAbstractionStarter]: At program point L6258(lines 6200 6282) the Hoare annotation is: (or (= 1 ~ldv_module_refcounter~0) (not (= 1 |old(~ldv_module_refcounter~0)|)) (not (= 0 |old(~ldv_retval_0~0)|)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-09 22:43:17,523 INFO L425 ceAbstractionStarter]: For program point L6250(lines 6250 6255) no Hoare annotation was computed. [2018-11-09 22:43:17,523 INFO L425 ceAbstractionStarter]: For program point L6217(lines 6217 6228) no Hoare annotation was computed. [2018-11-09 22:43:17,523 INFO L425 ceAbstractionStarter]: For program point L6250-2(lines 6248 6262) no Hoare annotation was computed. [2018-11-09 22:43:17,523 INFO L428 ceAbstractionStarter]: At program point L6275(line 6275) the Hoare annotation is: true [2018-11-09 22:43:17,523 INFO L428 ceAbstractionStarter]: At program point L6267(line 6267) the Hoare annotation is: true [2018-11-09 22:43:17,523 INFO L425 ceAbstractionStarter]: For program point L6234(line 6234) no Hoare annotation was computed. [2018-11-09 22:43:17,523 INFO L421 ceAbstractionStarter]: At program point L6201(line 6201) the Hoare annotation is: (or (and (= ~ldv_retval_0~0 0) (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_1~0 0)) (not (= 1 |old(~ldv_module_refcounter~0)|)) (not (= 0 |old(~ldv_retval_0~0)|)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-09 22:43:17,523 INFO L425 ceAbstractionStarter]: For program point L6201-1(line 6201) no Hoare annotation was computed. [2018-11-09 22:43:17,523 INFO L425 ceAbstractionStarter]: For program point L6226(line 6226) no Hoare annotation was computed. [2018-11-09 22:43:17,523 INFO L425 ceAbstractionStarter]: For program point L6218(line 6218) no Hoare annotation was computed. [2018-11-09 22:43:17,523 INFO L425 ceAbstractionStarter]: For program point L6235(lines 6235 6272) no Hoare annotation was computed. [2018-11-09 22:43:17,523 INFO L428 ceAbstractionStarter]: At program point L6227(line 6227) the Hoare annotation is: true [2018-11-09 22:43:17,523 INFO L425 ceAbstractionStarter]: For program point L6194(line 6194) no Hoare annotation was computed. [2018-11-09 22:43:17,524 INFO L425 ceAbstractionStarter]: For program point L6194-3(line 6194) no Hoare annotation was computed. [2018-11-09 22:43:17,524 INFO L425 ceAbstractionStarter]: For program point L6194-1(line 6194) no Hoare annotation was computed. [2018-11-09 22:43:17,524 INFO L425 ceAbstractionStarter]: For program point L6194-2(line 6194) no Hoare annotation was computed. [2018-11-09 22:43:17,524 INFO L425 ceAbstractionStarter]: For program point L6219(lines 6219 6224) no Hoare annotation was computed. [2018-11-09 22:43:17,524 INFO L421 ceAbstractionStarter]: At program point L6277(lines 6200 6282) the Hoare annotation is: (or (and (= ~ldv_retval_0~0 0) (= 1 ~ldv_module_refcounter~0)) (not (= 1 |old(~ldv_module_refcounter~0)|)) (not (= 0 |old(~ldv_retval_0~0)|)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-09 22:43:17,524 INFO L421 ceAbstractionStarter]: At program point L6203(line 6203) the Hoare annotation is: (or (and (= ~ldv_retval_0~0 0) (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_1~0 0)) (not (= 1 |old(~ldv_module_refcounter~0)|)) (not (= 0 |old(~ldv_retval_0~0)|)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-09 22:43:17,524 INFO L425 ceAbstractionStarter]: For program point L6203-1(line 6203) no Hoare annotation was computed. [2018-11-09 22:43:17,524 INFO L425 ceAbstractionStarter]: For program point L6195(line 6195) no Hoare annotation was computed. [2018-11-09 22:43:17,524 INFO L425 ceAbstractionStarter]: For program point L6195-1(line 6195) no Hoare annotation was computed. [2018-11-09 22:43:17,524 INFO L425 ceAbstractionStarter]: For program point L6195-2(line 6195) no Hoare annotation was computed. [2018-11-09 22:43:17,524 INFO L425 ceAbstractionStarter]: For program point L6220-1(line 6220) no Hoare annotation was computed. [2018-11-09 22:43:17,524 INFO L421 ceAbstractionStarter]: At program point L6220-2(line 6220) the Hoare annotation is: (or (and (= ~ldv_retval_0~0 0) (= 1 ~ldv_module_refcounter~0)) (not (= 1 |old(~ldv_module_refcounter~0)|)) (not (= 0 |old(~ldv_retval_0~0)|)) (not (= 0 |old(~ldv_state_variable_1~0)|))) [2018-11-09 22:43:17,524 INFO L425 ceAbstractionStarter]: For program point L6220(line 6220) no Hoare annotation was computed. [2018-11-09 22:43:17,525 INFO L425 ceAbstractionStarter]: For program point L6220-3(line 6220) no Hoare annotation was computed. [2018-11-09 22:43:17,525 INFO L421 ceAbstractionStarter]: At program point ldv_try_module_getENTRY(lines 6369 6387) the Hoare annotation is: (or (not (= 0 ~ldv_retval_0~0)) (= 1 ~ldv_module_refcounter~0) (not (= 1 |old(~ldv_module_refcounter~0)|))) [2018-11-09 22:43:17,525 INFO L425 ceAbstractionStarter]: For program point L6374(lines 6374 6384) no Hoare annotation was computed. [2018-11-09 22:43:17,525 INFO L425 ceAbstractionStarter]: For program point L6375-1(line 6375) no Hoare annotation was computed. [2018-11-09 22:43:17,525 INFO L421 ceAbstractionStarter]: At program point L6375(line 6375) the Hoare annotation is: (or (not (= 0 ~ldv_retval_0~0)) (and (not (= (mod (+ |ldv_try_module_get_#in~module.base| |ldv_try_module_get_#in~module.offset|) 18446744073709551616) 0)) (= 1 ~ldv_module_refcounter~0) (= ldv_try_module_get_~module.base |ldv_try_module_get_#in~module.base|) (= ldv_try_module_get_~module.offset |ldv_try_module_get_#in~module.offset|)) (not (= 1 |old(~ldv_module_refcounter~0)|))) [2018-11-09 22:43:17,525 INFO L425 ceAbstractionStarter]: For program point L6376(lines 6376 6381) no Hoare annotation was computed. [2018-11-09 22:43:17,525 INFO L425 ceAbstractionStarter]: For program point ldv_try_module_getFINAL(lines 6369 6387) no Hoare annotation was computed. [2018-11-09 22:43:17,525 INFO L425 ceAbstractionStarter]: For program point ldv_try_module_getEXIT(lines 6369 6387) no Hoare annotation was computed. [2018-11-09 22:43:17,525 INFO L425 ceAbstractionStarter]: For program point ldv_undef_ptrFINAL(lines 5918 5926) no Hoare annotation was computed. [2018-11-09 22:43:17,525 INFO L425 ceAbstractionStarter]: For program point ldv_undef_ptrEXIT(lines 5918 5926) no Hoare annotation was computed. [2018-11-09 22:43:17,525 INFO L425 ceAbstractionStarter]: For program point ldv_undef_ptrENTRY(lines 5918 5926) no Hoare annotation was computed. [2018-11-09 22:43:17,525 INFO L425 ceAbstractionStarter]: For program point ##fun~$Pointer$~X~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2018-11-09 22:43:17,525 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-11-09 22:43:17,526 INFO L425 ceAbstractionStarter]: For program point L-1-1(line -1) no Hoare annotation was computed. [2018-11-09 22:43:17,526 INFO L425 ceAbstractionStarter]: For program point ##fun~$Pointer$~X~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2018-11-09 22:43:17,526 INFO L425 ceAbstractionStarter]: For program point ##fun~$Pointer$~X~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2018-11-09 22:43:17,526 INFO L425 ceAbstractionStarter]: For program point pppox_skEXIT(lines 5964 5971) no Hoare annotation was computed. [2018-11-09 22:43:17,526 INFO L425 ceAbstractionStarter]: For program point pppox_skENTRY(lines 5964 5971) no Hoare annotation was computed. [2018-11-09 22:43:17,526 INFO L425 ceAbstractionStarter]: For program point pppox_skFINAL(lines 5964 5971) no Hoare annotation was computed. [2018-11-09 22:43:17,526 INFO L425 ceAbstractionStarter]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6309) no Hoare annotation was computed. [2018-11-09 22:43:17,526 INFO L425 ceAbstractionStarter]: For program point ldv_errorFINAL(lines 6303 6311) no Hoare annotation was computed. [2018-11-09 22:43:17,526 INFO L428 ceAbstractionStarter]: At program point ldv_errorENTRY(lines 6303 6311) the Hoare annotation is: true [2018-11-09 22:43:17,526 INFO L425 ceAbstractionStarter]: For program point ldv_errorEXIT(lines 6303 6311) no Hoare annotation was computed. [2018-11-09 22:43:17,526 INFO L425 ceAbstractionStarter]: For program point L6148-3(line 6148) no Hoare annotation was computed. [2018-11-09 22:43:17,526 INFO L425 ceAbstractionStarter]: For program point L6140-1(lines 6140 6144) no Hoare annotation was computed. [2018-11-09 22:43:17,526 INFO L425 ceAbstractionStarter]: For program point L6140(line 6140) no Hoare annotation was computed. [2018-11-09 22:43:17,527 INFO L425 ceAbstractionStarter]: For program point L6134(lines 6134 6138) no Hoare annotation was computed. [2018-11-09 22:43:17,527 INFO L425 ceAbstractionStarter]: For program point L6140-3(lines 6140 6144) no Hoare annotation was computed. [2018-11-09 22:43:17,527 INFO L421 ceAbstractionStarter]: At program point L6161-2(line 6161) the Hoare annotation is: (or (and (not (= 0 (mod (let ((.cse2 (+ (* 8 pppox_create_~protocol) |~#pppox_protos~0.offset|))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse2)) (.cse1 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse2) 16))) (+ (select (select |#memory_$Pointer$.offset| .cse0) .cse1) (select (select |#memory_$Pointer$.base| .cse0) .cse1)))) 18446744073709551616))) (= pppox_create_~tmp~9 1) (<= ~ldv_module_refcounter~0 2) (<= 2 ~ldv_module_refcounter~0) (= pppox_create_~tmp___0~3 0) (exists ((pppox_create_~protocol Int)) (let ((.cse7 (+ (* 8 pppox_create_~protocol) |~#pppox_protos~0.offset|))) (let ((.cse5 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse7)) (.cse6 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse7) 16))) (let ((.cse4 (select (select |#memory_$Pointer$.base| .cse5) .cse6)) (.cse3 (select (select |#memory_$Pointer$.offset| .cse5) .cse6))) (and (not (= 0 (mod (+ .cse3 .cse4) 18446744073709551616))) (= .cse4 |pppox_create_#t~mem67.base|) (= |pppox_create_#t~mem67.offset| .cse3)))))) (exists ((pppox_create_~protocol Int)) (let ((.cse11 (+ (* 8 pppox_create_~protocol) |~#pppox_protos~0.offset|))) (let ((.cse8 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse11)) (.cse10 (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse11))) (and (not (= 0 (mod (let ((.cse9 (+ .cse10 16))) (+ (select (select |#memory_$Pointer$.offset| .cse8) .cse9) (select (select |#memory_$Pointer$.base| .cse8) .cse9))) 18446744073709551616))) (= .cse8 |pppox_create_#t~mem66.base|) (= .cse10 |pppox_create_#t~mem66.offset|)))))) (not (= 0 ~ldv_retval_0~0)) (not (= 1 |old(~ldv_module_refcounter~0)|))) [2018-11-09 22:43:17,527 INFO L425 ceAbstractionStarter]: For program point L6161-3(line 6161) no Hoare annotation was computed. [2018-11-09 22:43:17,527 INFO L425 ceAbstractionStarter]: For program point L6161(line 6161) no Hoare annotation was computed. [2018-11-09 22:43:17,527 INFO L425 ceAbstractionStarter]: For program point L6161-1(line 6161) no Hoare annotation was computed. [2018-11-09 22:43:17,527 INFO L425 ceAbstractionStarter]: For program point pppox_createFINAL(lines 6126 6165) no Hoare annotation was computed. [2018-11-09 22:43:17,527 INFO L425 ceAbstractionStarter]: For program point L6149-2(lines 6147 6159) no Hoare annotation was computed. [2018-11-09 22:43:17,527 INFO L425 ceAbstractionStarter]: For program point L6149(lines 6149 6153) no Hoare annotation was computed. [2018-11-09 22:43:17,527 INFO L425 ceAbstractionStarter]: For program point L6145(lines 6145 6159) no Hoare annotation was computed. [2018-11-09 22:43:17,527 INFO L421 ceAbstractionStarter]: At program point pppox_createENTRY(lines 6126 6165) the Hoare annotation is: (or (not (= 0 ~ldv_retval_0~0)) (= 1 ~ldv_module_refcounter~0) (not (= 1 |old(~ldv_module_refcounter~0)|))) [2018-11-09 22:43:17,528 INFO L421 ceAbstractionStarter]: At program point L6162(lines 6132 6164) the Hoare annotation is: (or (not (= 0 ~ldv_retval_0~0)) (= 1 ~ldv_module_refcounter~0) (not (= 1 |old(~ldv_module_refcounter~0)|))) [2018-11-09 22:43:17,528 INFO L425 ceAbstractionStarter]: For program point L6160-1(line 6160) no Hoare annotation was computed. [2018-11-09 22:43:17,528 INFO L421 ceAbstractionStarter]: At program point L6160-2(line 6160) the Hoare annotation is: (or (not (= 0 ~ldv_retval_0~0)) (not (= 1 |old(~ldv_module_refcounter~0)|)) (and (not (= 0 (mod (let ((.cse2 (+ (* 8 pppox_create_~protocol) |~#pppox_protos~0.offset|))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse2)) (.cse1 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse2) 16))) (+ (select (select |#memory_$Pointer$.offset| .cse0) .cse1) (select (select |#memory_$Pointer$.base| .cse0) .cse1)))) 18446744073709551616))) (= pppox_create_~tmp~9 1) (<= ~ldv_module_refcounter~0 2) (<= 2 ~ldv_module_refcounter~0) (= pppox_create_~tmp___0~3 0))) [2018-11-09 22:43:17,528 INFO L425 ceAbstractionStarter]: For program point L6160(line 6160) no Hoare annotation was computed. [2018-11-09 22:43:17,528 INFO L425 ceAbstractionStarter]: For program point L6160-3(line 6160) no Hoare annotation was computed. [2018-11-09 22:43:17,528 INFO L425 ceAbstractionStarter]: For program point pppox_createEXIT(lines 6126 6165) no Hoare annotation was computed. [2018-11-09 22:43:17,528 INFO L425 ceAbstractionStarter]: For program point L6148-1(line 6148) no Hoare annotation was computed. [2018-11-09 22:43:17,528 INFO L421 ceAbstractionStarter]: At program point L6148-2(line 6148) the Hoare annotation is: (or (not (= 0 ~ldv_retval_0~0)) (not (= 1 |old(~ldv_module_refcounter~0)|)) (let ((.cse3 (+ (* 8 pppox_create_~protocol) |~#pppox_protos~0.offset|))) (let ((.cse0 (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse3))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse3)) (.cse2 (+ .cse0 16))) (and (= .cse0 |pppox_create_#t~mem55.offset|) (= 1 ~ldv_module_refcounter~0) (= |pppox_create_#t~mem56.base| (select (select |#memory_$Pointer$.base| .cse1) .cse2)) (= |pppox_create_#t~mem55.base| .cse1) (= |pppox_create_#t~mem56.offset| (select (select |#memory_$Pointer$.offset| .cse1) .cse2))))))) [2018-11-09 22:43:17,528 INFO L425 ceAbstractionStarter]: For program point L6148(line 6148) no Hoare annotation was computed. [2018-11-09 22:43:17,528 INFO L425 ceAbstractionStarter]: For program point ldv_stopFINAL(lines 5936 5944) no Hoare annotation was computed. [2018-11-09 22:43:17,529 INFO L425 ceAbstractionStarter]: For program point ldv_stopEXIT(lines 5936 5944) no Hoare annotation was computed. [2018-11-09 22:43:17,529 INFO L428 ceAbstractionStarter]: At program point ldv_stopENTRY(lines 5936 5944) the Hoare annotation is: true [2018-11-09 22:43:17,529 INFO L428 ceAbstractionStarter]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2018-11-09 22:43:17,529 INFO L428 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-11-09 22:43:17,529 INFO L425 ceAbstractionStarter]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2018-11-09 22:43:17,529 INFO L425 ceAbstractionStarter]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2018-11-09 22:43:17,529 INFO L425 ceAbstractionStarter]: For program point ldv_undef_ulongENTRY(lines 5927 5935) no Hoare annotation was computed. [2018-11-09 22:43:17,529 INFO L425 ceAbstractionStarter]: For program point ldv_undef_ulongEXIT(lines 5927 5935) no Hoare annotation was computed. [2018-11-09 22:43:17,529 INFO L425 ceAbstractionStarter]: For program point ldv_undef_ulongFINAL(lines 5927 5935) no Hoare annotation was computed. [2018-11-09 22:43:17,529 INFO L425 ceAbstractionStarter]: For program point unregister_pppox_protoEXIT(lines 5996 6008) no Hoare annotation was computed. [2018-11-09 22:43:17,529 INFO L425 ceAbstractionStarter]: For program point L6001(lines 6001 6005) no Hoare annotation was computed. [2018-11-09 22:43:17,529 INFO L425 ceAbstractionStarter]: For program point L6001-1(lines 5996 6008) no Hoare annotation was computed. [2018-11-09 22:43:17,529 INFO L425 ceAbstractionStarter]: For program point unregister_pppox_protoENTRY(lines 5996 6008) no Hoare annotation was computed. [2018-11-09 22:43:17,529 INFO L425 ceAbstractionStarter]: For program point L6002(line 6002) no Hoare annotation was computed. [2018-11-09 22:43:17,529 INFO L425 ceAbstractionStarter]: For program point ldv_module_put_and_exitEXIT(lines 6406 6415) no Hoare annotation was computed. [2018-11-09 22:43:17,529 INFO L425 ceAbstractionStarter]: For program point L6411(lines 6410 6414) no Hoare annotation was computed. [2018-11-09 22:43:17,529 INFO L425 ceAbstractionStarter]: For program point ldv_module_put_and_exitENTRY(lines 6406 6415) no Hoare annotation was computed. [2018-11-09 22:43:17,529 INFO L425 ceAbstractionStarter]: For program point ldv_module_put_and_exitFINAL(lines 6406 6415) no Hoare annotation was computed. [2018-11-09 22:43:17,529 INFO L425 ceAbstractionStarter]: For program point pppox_exitEXIT(lines 6176 6184) no Hoare annotation was computed. [2018-11-09 22:43:17,529 INFO L428 ceAbstractionStarter]: At program point pppox_exitENTRY(lines 6176 6184) the Hoare annotation is: true [2018-11-09 22:43:17,529 INFO L425 ceAbstractionStarter]: For program point pppox_exitFINAL(lines 6176 6184) no Hoare annotation was computed. [2018-11-09 22:43:17,529 INFO L425 ceAbstractionStarter]: For program point L6015(line 6015) no Hoare annotation was computed. [2018-11-09 22:43:17,530 INFO L425 ceAbstractionStarter]: For program point L6016-1(line 6016) no Hoare annotation was computed. [2018-11-09 22:43:17,530 INFO L425 ceAbstractionStarter]: For program point L6014(line 6014) no Hoare annotation was computed. [2018-11-09 22:43:17,530 INFO L425 ceAbstractionStarter]: For program point L6015-1(line 6015) no Hoare annotation was computed. [2018-11-09 22:43:17,530 INFO L425 ceAbstractionStarter]: For program point L6016(line 6016) no Hoare annotation was computed. [2018-11-09 22:43:17,530 INFO L425 ceAbstractionStarter]: For program point L6014-1(lines 6014 6020) no Hoare annotation was computed. [2018-11-09 22:43:17,530 INFO L425 ceAbstractionStarter]: For program point L6014-2(lines 6009 6023) no Hoare annotation was computed. [2018-11-09 22:43:17,530 INFO L425 ceAbstractionStarter]: For program point pppox_unbind_sockEXIT(lines 6009 6023) no Hoare annotation was computed. [2018-11-09 22:43:17,530 INFO L425 ceAbstractionStarter]: For program point pppox_unbind_sockENTRY(lines 6009 6023) no Hoare annotation was computed. [2018-11-09 22:43:17,530 INFO L425 ceAbstractionStarter]: For program point ldv_module_refcountFINAL(lines 6416 6423) no Hoare annotation was computed. [2018-11-09 22:43:17,530 INFO L425 ceAbstractionStarter]: For program point ldv_module_refcountENTRY(lines 6416 6423) no Hoare annotation was computed. [2018-11-09 22:43:17,530 INFO L425 ceAbstractionStarter]: For program point ldv_module_refcountEXIT(lines 6416 6423) no Hoare annotation was computed. [2018-11-09 22:43:17,530 INFO L425 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-11-09 22:43:17,530 INFO L428 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-11-09 22:43:17,530 INFO L428 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-11-09 22:43:17,530 INFO L425 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-11-09 22:43:17,530 INFO L425 ceAbstractionStarter]: For program point ##fun~$Pointer$~X~$Pointer$~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2018-11-09 22:43:17,530 INFO L428 ceAbstractionStarter]: At program point ##fun~$Pointer$~X~$Pointer$~X~int~TO~intENTRY(line -1) the Hoare annotation is: true [2018-11-09 22:43:17,530 INFO L425 ceAbstractionStarter]: For program point ##fun~$Pointer$~X~$Pointer$~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2018-11-09 22:43:17,530 INFO L425 ceAbstractionStarter]: For program point ldv_init_zallocFINAL(lines 5888 5899) no Hoare annotation was computed. [2018-11-09 22:43:17,530 INFO L425 ceAbstractionStarter]: For program point ldv_init_zallocEXIT(lines 5888 5899) no Hoare annotation was computed. [2018-11-09 22:43:17,530 INFO L425 ceAbstractionStarter]: For program point L5894(line 5894) no Hoare annotation was computed. [2018-11-09 22:43:17,530 INFO L428 ceAbstractionStarter]: At program point ldv_init_zallocENTRY(lines 5888 5899) the Hoare annotation is: true [2018-11-09 22:43:17,531 INFO L421 ceAbstractionStarter]: At program point L5894-1(line 5894) the Hoare annotation is: (or (not (= 1 ~ldv_module_refcounter~0)) (and (<= ldv_init_zalloc_~size |ldv_init_zalloc_#in~size|) (<= |ldv_init_zalloc_#in~size| ldv_init_zalloc_~size)) (not (= 0 ~ldv_retval_0~0)) (not (= 0 ~ldv_state_variable_1~0))) [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point L5894-2(line 5894) no Hoare annotation was computed. [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point pppox_initFINAL(lines 6167 6175) no Hoare annotation was computed. [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point L6172-1(line 6172) no Hoare annotation was computed. [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point L6172(line 6172) no Hoare annotation was computed. [2018-11-09 22:43:17,531 INFO L428 ceAbstractionStarter]: At program point pppox_initENTRY(lines 6167 6175) the Hoare annotation is: true [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point pppox_initEXIT(lines 6167 6175) no Hoare annotation was computed. [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point L5982(lines 5982 5986) no Hoare annotation was computed. [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point L5992-1(line 5992) no Hoare annotation was computed. [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point register_pppox_protoEXIT(lines 5977 5995) no Hoare annotation was computed. [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point L5992(line 5992) no Hoare annotation was computed. [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point register_pppox_protoENTRY(lines 5977 5995) no Hoare annotation was computed. [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point L5987(line 5987) no Hoare annotation was computed. [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point L5987-1(lines 5987 5991) no Hoare annotation was computed. [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point register_pppox_protoFINAL(lines 5977 5995) no Hoare annotation was computed. [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point ldv_is_errEXIT(lines 6312 6319) no Hoare annotation was computed. [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point ldv_is_errENTRY(lines 6312 6319) no Hoare annotation was computed. [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point ldv_is_errFINAL(lines 6312 6319) no Hoare annotation was computed. [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point ldv_mallocENTRY(lines 5852 5869) no Hoare annotation was computed. [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point L5863(line 5863) no Hoare annotation was computed. [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point L5863-1(line 5863) no Hoare annotation was computed. [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 5852 5869) no Hoare annotation was computed. [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point L5860(lines 5860 5867) no Hoare annotation was computed. [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 5852 5869) no Hoare annotation was computed. [2018-11-09 22:43:17,531 INFO L425 ceAbstractionStarter]: For program point L6076-1(line 6076) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6076(line 6076) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024-1(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024-2(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024-5(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024-6(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024-3(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024-4(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024-9(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024-10(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024-7(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024-8(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line 6166) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024-13(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024-14(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024-11(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024-12(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024-17(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024-18(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024-15(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024-16(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024-21(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024-22(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024-19(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,532 INFO L425 ceAbstractionStarter]: For program point L6024-20(lines 6024 6030) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6033-2(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6033-3(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6033(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6033-1(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6033-6(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6033-7(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6033-4(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6033-5(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6033-10(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6120-1(lines 6120 6123) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6033-11(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6120-2(lines 6120 6123) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6033-8(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6033-9(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6120(lines 6120 6123) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6033-14(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6120-5(lines 6120 6123) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6033-15(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6120-6(lines 6120 6123) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6033-12(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6120-3(lines 6120 6123) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6033-13(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6120-4(lines 6120 6123) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6033-18(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6120-9(lines 6120 6123) no Hoare annotation was computed. [2018-11-09 22:43:17,533 INFO L425 ceAbstractionStarter]: For program point L6033-19(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L6120-10(lines 6120 6123) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L6033-16(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L6120-7(lines 6120 6123) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L6033-17(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L6120-8(lines 6120 6123) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L6033-22(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L6033-23(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L6042(lines 6042 6047) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L6141(line 6141) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L6033-20(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L6120-11(lines 6120 6123) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L6033-21(lines 6033 6039) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L6120-12(lines 6120 6123) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L6042-3(lines 6042 6047) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L5976-1(line 5976) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L6042-4(lines 6042 6047) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L5976-2(line 5976) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L6166(line 6166) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L6042-1(lines 6042 6047) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L6042-2(lines 6042 6047) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L5976(line 5976) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L6042-7(lines 6042 6047) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L5976-5(line 5976) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L6166-3(line 6166) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L6042-8(lines 6042 6047) no Hoare annotation was computed. [2018-11-09 22:43:17,534 INFO L425 ceAbstractionStarter]: For program point L6042-5(lines 6042 6047) no Hoare annotation was computed. [2018-11-09 22:43:17,535 INFO L425 ceAbstractionStarter]: For program point L5976-3(line 5976) no Hoare annotation was computed. [2018-11-09 22:43:17,535 INFO L425 ceAbstractionStarter]: For program point L6166-1(line 6166) no Hoare annotation was computed. [2018-11-09 22:43:17,535 INFO L425 ceAbstractionStarter]: For program point L6042-6(lines 6042 6047) no Hoare annotation was computed. [2018-11-09 22:43:17,535 INFO L425 ceAbstractionStarter]: For program point L5976-4(line 5976) no Hoare annotation was computed. [2018-11-09 22:43:17,535 INFO L425 ceAbstractionStarter]: For program point L6166-2(line 6166) no Hoare annotation was computed. [2018-11-09 22:43:17,535 INFO L425 ceAbstractionStarter]: For program point L6042-11(lines 6042 6047) no Hoare annotation was computed. [2018-11-09 22:43:17,535 INFO L425 ceAbstractionStarter]: For program point L6042-12(lines 6042 6047) no Hoare annotation was computed. [2018-11-09 22:43:17,535 INFO L425 ceAbstractionStarter]: For program point L6042-9(lines 6042 6047) no Hoare annotation was computed. [2018-11-09 22:43:17,535 INFO L425 ceAbstractionStarter]: For program point L6042-10(lines 6042 6047) no Hoare annotation was computed. [2018-11-09 22:43:17,535 INFO L425 ceAbstractionStarter]: For program point L6042-15(lines 6042 6047) no Hoare annotation was computed. [2018-11-09 22:43:17,535 INFO L425 ceAbstractionStarter]: For program point L6042-16(lines 6042 6047) no Hoare annotation was computed. [2018-11-09 22:43:17,535 INFO L425 ceAbstractionStarter]: For program point L6042-13(lines 6042 6047) no Hoare annotation was computed. [2018-11-09 22:43:17,535 INFO L425 ceAbstractionStarter]: For program point L6042-14(lines 6042 6047) no Hoare annotation was computed. [2018-11-09 22:43:17,535 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~ldv_module_refcounter~0)| ~ldv_module_refcounter~0) [2018-11-09 22:43:17,535 INFO L425 ceAbstractionStarter]: For program point L6042-17(lines 6042 6047) no Hoare annotation was computed. [2018-11-09 22:43:17,535 INFO L425 ceAbstractionStarter]: For program point L6042-18(lines 6042 6047) no Hoare annotation was computed. [2018-11-09 22:43:17,535 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-09 22:43:17,535 INFO L425 ceAbstractionStarter]: For program point ldv_try_module_get_5EXIT(lines 6284 6292) no Hoare annotation was computed. [2018-11-09 22:43:17,535 INFO L421 ceAbstractionStarter]: At program point L6289(line 6289) the Hoare annotation is: (or (not (= 0 ~ldv_retval_0~0)) (not (= 1 |old(~ldv_module_refcounter~0)|)) (and (= ldv_try_module_get_5_~ldv_func_arg1.base |ldv_try_module_get_5_#in~ldv_func_arg1.base|) (= |ldv_try_module_get_5_#in~ldv_func_arg1.offset| ldv_try_module_get_5_~ldv_func_arg1.offset) (= 1 ~ldv_module_refcounter~0))) [2018-11-09 22:43:17,535 INFO L425 ceAbstractionStarter]: For program point L6289-1(line 6289) no Hoare annotation was computed. [2018-11-09 22:43:17,535 INFO L421 ceAbstractionStarter]: At program point ldv_try_module_get_5ENTRY(lines 6284 6292) the Hoare annotation is: (or (not (= 0 ~ldv_retval_0~0)) (= 1 ~ldv_module_refcounter~0) (not (= 1 |old(~ldv_module_refcounter~0)|))) [2018-11-09 22:43:17,535 INFO L425 ceAbstractionStarter]: For program point ldv_try_module_get_5FINAL(lines 6284 6292) no Hoare annotation was computed. [2018-11-09 22:43:17,535 INFO L428 ceAbstractionStarter]: At program point ldv_check_final_stateENTRY(lines 6424 6436) the Hoare annotation is: true [2018-11-09 22:43:17,535 INFO L421 ceAbstractionStarter]: At program point L6430(line 6430) the Hoare annotation is: (not (= 1 ~ldv_module_refcounter~0)) [2018-11-09 22:43:17,536 INFO L425 ceAbstractionStarter]: For program point L6429(lines 6424 6436) no Hoare annotation was computed. [2018-11-09 22:43:17,536 INFO L425 ceAbstractionStarter]: For program point ldv_check_final_stateEXIT(lines 6424 6436) no Hoare annotation was computed. [2018-11-09 22:43:17,536 INFO L425 ceAbstractionStarter]: For program point ldv_ptr_errENTRY(lines 6328 6335) no Hoare annotation was computed. [2018-11-09 22:43:17,536 INFO L425 ceAbstractionStarter]: For program point ldv_ptr_errFINAL(lines 6328 6335) no Hoare annotation was computed. [2018-11-09 22:43:17,536 INFO L425 ceAbstractionStarter]: For program point ldv_ptr_errEXIT(lines 6328 6335) no Hoare annotation was computed. [2018-11-09 22:43:17,536 INFO L425 ceAbstractionStarter]: For program point L5881-2(line 5881) no Hoare annotation was computed. [2018-11-09 22:43:17,536 INFO L425 ceAbstractionStarter]: For program point L5878(lines 5878 5885) no Hoare annotation was computed. [2018-11-09 22:43:17,536 INFO L425 ceAbstractionStarter]: For program point ldv_zallocEXIT(lines 5870 5887) no Hoare annotation was computed. [2018-11-09 22:43:17,536 INFO L425 ceAbstractionStarter]: For program point L5881(line 5881) no Hoare annotation was computed. [2018-11-09 22:43:17,536 INFO L425 ceAbstractionStarter]: For program point L5881-1(line 5881) no Hoare annotation was computed. [2018-11-09 22:43:17,536 INFO L425 ceAbstractionStarter]: For program point ldv_zallocENTRY(lines 5870 5887) no Hoare annotation was computed. [2018-11-09 22:43:17,536 INFO L425 ceAbstractionStarter]: For program point ldv_zallocFINAL(lines 5870 5887) no Hoare annotation was computed. [2018-11-09 22:43:17,536 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-09 22:43:17,536 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~ldv_retval_0~0 0) (= 1 ~ldv_module_refcounter~0) (= ~ldv_state_variable_1~0 0)) [2018-11-09 22:43:17,536 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-09 22:43:17,536 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-09 22:43:17,536 INFO L425 ceAbstractionStarter]: For program point L6394(lines 6394 6398) no Hoare annotation was computed. [2018-11-09 22:43:17,536 INFO L421 ceAbstractionStarter]: At program point L6395(line 6395) the Hoare annotation is: (or (forall ((v_pppox_create_~protocol_BEFORE_CALL_2 Int)) (= 0 (mod (let ((.cse2 (+ (* 8 v_pppox_create_~protocol_BEFORE_CALL_2) |~#pppox_protos~0.offset|))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse2)) (.cse1 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse2) 16))) (+ (select (select |#memory_$Pointer$.base| .cse0) .cse1) (select (select |#memory_$Pointer$.offset| .cse0) .cse1)))) 18446744073709551616))) (< |old(~ldv_module_refcounter~0)| 2) (not (= 0 ~ldv_retval_0~0))) [2018-11-09 22:43:17,536 INFO L425 ceAbstractionStarter]: For program point L6393-2(lines 6388 6405) no Hoare annotation was computed. [2018-11-09 22:43:17,536 INFO L421 ceAbstractionStarter]: At program point ldv_module_putENTRY(lines 6388 6405) the Hoare annotation is: (or (forall ((v_pppox_create_~protocol_BEFORE_CALL_2 Int)) (= 0 (mod (let ((.cse2 (+ (* 8 v_pppox_create_~protocol_BEFORE_CALL_2) |~#pppox_protos~0.offset|))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse2)) (.cse1 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse2) 16))) (+ (select (select |#memory_$Pointer$.base| .cse0) .cse1) (select (select |#memory_$Pointer$.offset| .cse0) .cse1)))) 18446744073709551616))) (< |old(~ldv_module_refcounter~0)| 2) (not (= 0 ~ldv_retval_0~0)) (= |old(~ldv_module_refcounter~0)| ~ldv_module_refcounter~0)) [2018-11-09 22:43:17,536 INFO L425 ceAbstractionStarter]: For program point L6393(lines 6393 6402) no Hoare annotation was computed. [2018-11-09 22:43:17,536 INFO L425 ceAbstractionStarter]: For program point L6394-1(lines 6394 6398) no Hoare annotation was computed. [2018-11-09 22:43:17,536 INFO L425 ceAbstractionStarter]: For program point ldv_module_putEXIT(lines 6388 6405) no Hoare annotation was computed. [2018-11-09 22:43:17,536 INFO L425 ceAbstractionStarter]: For program point ldv_memsetFINAL(lines 5900 5908) no Hoare annotation was computed. [2018-11-09 22:43:17,537 INFO L421 ceAbstractionStarter]: At program point L5905(line 5905) the Hoare annotation is: (or (not (= 1 ~ldv_module_refcounter~0)) (= |ldv_memset_#in~n| ldv_memset_~n) (not (= 0 ~ldv_retval_0~0)) (not (= 0 ~ldv_state_variable_1~0))) [2018-11-09 22:43:17,537 INFO L425 ceAbstractionStarter]: For program point L5905-1(line 5905) no Hoare annotation was computed. [2018-11-09 22:43:17,537 INFO L428 ceAbstractionStarter]: At program point ldv_memsetENTRY(lines 5900 5908) the Hoare annotation is: true [2018-11-09 22:43:17,537 INFO L425 ceAbstractionStarter]: For program point ldv_memsetEXIT(lines 5900 5908) no Hoare annotation was computed. [2018-11-09 22:43:17,537 INFO L425 ceAbstractionStarter]: For program point ldv_module_put_6EXIT(lines 6293 6301) no Hoare annotation was computed. [2018-11-09 22:43:17,537 INFO L421 ceAbstractionStarter]: At program point L6298(line 6298) the Hoare annotation is: (or (forall ((v_pppox_create_~protocol_BEFORE_CALL_2 Int)) (= 0 (mod (let ((.cse2 (+ (* 8 v_pppox_create_~protocol_BEFORE_CALL_2) |~#pppox_protos~0.offset|))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse2)) (.cse1 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse2) 16))) (+ (select (select |#memory_$Pointer$.base| .cse0) .cse1) (select (select |#memory_$Pointer$.offset| .cse0) .cse1)))) 18446744073709551616))) (< |old(~ldv_module_refcounter~0)| 2) (and (= ldv_module_put_6_~ldv_func_arg1.offset |ldv_module_put_6_#in~ldv_func_arg1.offset|) (= |old(~ldv_module_refcounter~0)| ~ldv_module_refcounter~0) (= ldv_module_put_6_~ldv_func_arg1.base |ldv_module_put_6_#in~ldv_func_arg1.base|)) (not (= 0 ~ldv_retval_0~0))) [2018-11-09 22:43:17,537 INFO L421 ceAbstractionStarter]: At program point ldv_module_put_6ENTRY(lines 6293 6301) the Hoare annotation is: (or (forall ((v_pppox_create_~protocol_BEFORE_CALL_2 Int)) (= 0 (mod (let ((.cse2 (+ (* 8 v_pppox_create_~protocol_BEFORE_CALL_2) |~#pppox_protos~0.offset|))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse2)) (.cse1 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse2) 16))) (+ (select (select |#memory_$Pointer$.base| .cse0) .cse1) (select (select |#memory_$Pointer$.offset| .cse0) .cse1)))) 18446744073709551616))) (< |old(~ldv_module_refcounter~0)| 2) (not (= 0 ~ldv_retval_0~0)) (= |old(~ldv_module_refcounter~0)| ~ldv_module_refcounter~0)) [2018-11-09 22:43:17,537 INFO L425 ceAbstractionStarter]: For program point ldv_module_put_6FINAL(lines 6293 6301) no Hoare annotation was computed. [2018-11-09 22:43:17,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 10:43:17 BoogieIcfgContainer [2018-11-09 22:43:17,545 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-09 22:43:17,546 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-09 22:43:17,546 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-09 22:43:17,546 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-09 22:43:17,546 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:42:07" (3/4) ... [2018-11-09 22:43:17,549 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-09 22:43:17,556 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_get [2018-11-09 22:43:17,556 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_err_ptr [2018-11-09 22:43:17,556 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_is_err_or_null [2018-11-09 22:43:17,556 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lock_sock [2018-11-09 22:43:17,556 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure pppox_ioctl [2018-11-09 22:43:17,556 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_undef_int [2018-11-09 22:43:17,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-09 22:43:17,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_undef_ptr [2018-11-09 22:43:17,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_try_module_get [2018-11-09 22:43:17,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~int~X~int~TO~int [2018-11-09 22:43:17,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure pppox_sk [2018-11-09 22:43:17,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-11-09 22:43:17,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure pppox_create [2018-11-09 22:43:17,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2018-11-09 22:43:17,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_undef_ulong [2018-11-09 22:43:17,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2018-11-09 22:43:17,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure unregister_pppox_proto [2018-11-09 22:43:17,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_put_and_exit [2018-11-09 22:43:17,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure pppox_exit [2018-11-09 22:43:17,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure pppox_unbind_sock [2018-11-09 22:43:17,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_refcount [2018-11-09 22:43:17,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2018-11-09 22:43:17,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2018-11-09 22:43:17,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_init_zalloc [2018-11-09 22:43:17,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure register_pppox_proto [2018-11-09 22:43:17,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure pppox_init [2018-11-09 22:43:17,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_is_err [2018-11-09 22:43:17,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-09 22:43:17,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2018-11-09 22:43:17,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_try_module_get_5 [2018-11-09 22:43:17,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2018-11-09 22:43:17,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2018-11-09 22:43:17,558 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_ptr_err [2018-11-09 22:43:17,559 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_memset [2018-11-09 22:43:17,559 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_put [2018-11-09 22:43:17,559 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_put_6 [2018-11-09 22:43:17,566 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 80 nodes and edges [2018-11-09 22:43:17,566 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2018-11-09 22:43:17,567 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-09 22:43:17,567 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-09 22:43:17,567 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-09 22:43:17,592 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((ldv_retval_0 == 0 && 1 == ldv_module_refcounter) || !(1 == \old(ldv_module_refcounter))) || !(0 == \old(ldv_retval_0))) || !(0 == \old(ldv_state_variable_1)) [2018-11-09 22:43:17,593 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == ldv_module_refcounter || !(1 == \old(ldv_module_refcounter))) || !(0 == \old(ldv_retval_0))) || !(0 == \old(ldv_state_variable_1)) [2018-11-09 22:43:17,593 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == ldv_retval_0) || 1 == ldv_module_refcounter) || !(1 == \old(ldv_module_refcounter)) [2018-11-09 22:43:17,635 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cabd64b9-6d76-4717-944c-4a4e5f04442f/bin-2019/uautomizer/witness.graphml [2018-11-09 22:43:17,635 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-09 22:43:17,636 INFO L168 Benchmark]: Toolchain (without parser) took 72147.18 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 563.1 MB). Free memory was 952.2 MB in the beginning and 1.3 GB in the end (delta: -313.1 MB). Peak memory consumption was 250.0 MB. Max. memory is 11.5 GB. [2018-11-09 22:43:17,636 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 22:43:17,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1025.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.7 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -118.5 MB). Peak memory consumption was 185.5 MB. Max. memory is 11.5 GB. [2018-11-09 22:43:17,637 INFO L168 Benchmark]: Boogie Preprocessor took 59.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-09 22:43:17,637 INFO L168 Benchmark]: RCFGBuilder took 929.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.2 MB in the end (delta: 89.0 MB). Peak memory consumption was 89.0 MB. Max. memory is 11.5 GB. [2018-11-09 22:43:17,637 INFO L168 Benchmark]: TraceAbstraction took 70039.34 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 364.4 MB). Free memory was 975.2 MB in the beginning and 1.3 GB in the end (delta: -304.3 MB). Peak memory consumption was 421.3 MB. Max. memory is 11.5 GB. [2018-11-09 22:43:17,638 INFO L168 Benchmark]: Witness Printer took 89.67 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-09 22:43:17,639 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1025.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.7 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -118.5 MB). Peak memory consumption was 185.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 929.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.2 MB in the end (delta: 89.0 MB). Peak memory consumption was 89.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 70039.34 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 364.4 MB). Free memory was 975.2 MB in the beginning and 1.3 GB in the end (delta: -304.3 MB). Peak memory consumption was 421.3 MB. Max. memory is 11.5 GB. * Witness Printer took 89.67 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6309]: 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: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6200]: Loop Invariant Derived loop invariant: ((1 == ldv_module_refcounter || !(1 == \old(ldv_module_refcounter))) || !(0 == \old(ldv_retval_0))) || !(0 == \old(ldv_state_variable_1)) - InvariantResult [Line: 6200]: Loop Invariant Derived loop invariant: (((ldv_retval_0 == 0 && 1 == ldv_module_refcounter) || !(1 == \old(ldv_module_refcounter))) || !(0 == \old(ldv_retval_0))) || !(0 == \old(ldv_state_variable_1)) - InvariantResult [Line: 6132]: Loop Invariant Derived loop invariant: (!(0 == ldv_retval_0) || 1 == ldv_module_refcounter) || !(1 == \old(ldv_module_refcounter)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 360 locations, 1 error locations. SAFE Result, 69.9s OverallTime, 16 OverallIterations, 8 TraceHistogramMax, 36.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 4029 SDtfs, 1850 SDslu, 16842 SDs, 0 SdLazy, 1732 SolverSat, 273 SolverUnsat, 15 SolverUnknown, 0 SolverNotchecked, 33.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1117 GetRequests, 991 SyntacticMatches, 8 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=733occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 319 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 1000 PreInvPairs, 1054 NumberOfFragments, 1051 HoareAnnotationTreeSize, 1000 FomulaSimplifications, 6353 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 8102 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 27.6s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 4471 NumberOfCodeBlocks, 4450 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 4451 ConstructedInterpolants, 14 QuantifiedInterpolants, 1625601 SizeOfPredicates, 23 NumberOfNonLiveVariables, 3874 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 20 InterpolantComputations, 14 PerfectInterpolantSequences, 705/773 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...